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<div class="title">sockets.c</div> </div>
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<a href="../../df/dcd/sockets_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Copyright (c) 2001-2004 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * Improved by Marc Boucher <marc@mbsi.ca> and David Haas <dhaas@alum.rpi.edu></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include <<a class="code" href="../../da/d28/kprintf_8h.html">lib/kprintf.h</a>></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include <<a class="code" href="../../dc/dba/opt_8h.html">net/opt.h</a>></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#if LWIP_SOCKET </span><span class="comment">/* don't build if not configured for use in lwipopts.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include <<a class="code" href="../../d4/dd3/sockets_8h.html">net/sockets.h</a>></span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include <<a class="code" href="../../dc/d65/api_8h.html">net/api.h</a>></span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include <<a class="code" href="../../d9/d87/sys_8h.html">net/sys.h</a>></span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include <<a class="code" href="../../d9/d9c/igmp_8h.html">net/igmp.h</a>></span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include <<a class="code" href="../../d6/d4a/inet_8h.html">net/inet.h</a>></span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include <<a class="code" href="../../d8/da5/tcp_8h.html">net/tcp.h</a>></span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include <<a class="code" href="../../d6/df4/raw_8h.html">net/raw.h</a>></span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include <<a class="code" href="../../d2/da7/udp_8h.html">net/udp.h</a>></span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include <<a class="code" href="../../df/dff/memp_8h.html">net/memp.h</a>></span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include <<a class="code" href="../../d0/d35/pbuf_8h.html">net/pbuf.h</a>></span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include <<a class="code" href="../../d6/d89/tcpip__priv_8h.html">net/priv/tcpip_priv.h</a>></span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#if LWIP_CHECKSUM_ON_COPY</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#include <<a class="code" href="../../d2/d45/inet__chksum_8h.html">net/inet_chksum.h</a>></span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/* If the netconn API is not required publicly, then we include the necessary</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> files here to get the implementation */</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#if !LWIP_NETCONN</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#undef LWIP_NETCONN</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#define LWIP_NETCONN 1</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#include "<a class="code" href="../../d7/dc1/api__msg_8c.html">api_msg.c</a>"</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#include "<a class="code" href="../../da/d62/api__lib_8c.html">api_lib.c</a>"</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#include "<a class="code" href="../../d9/de1/netbuf_8c.html">netbuf.c</a>"</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#undef LWIP_NETCONN</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#define LWIP_NETCONN 0</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#define IP4ADDR_PORT_TO_SOCKADDR(sin, ipaddr, port) do { \</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"> (sin)->sin_len = sizeof(struct sockaddr_in); \</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor"> (sin)->sin_family = AF_INET; \</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor"> (sin)->sin_port = lwip_htons((port)); \</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor"> inet_addr_from_ip4addr(&(sin)->sin_addr, ipaddr); \</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor"> memset((sin)->sin_zero, 0, SIN_ZERO_LEN); }while(0)</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#define SOCKADDR4_TO_IP4ADDR_PORT(sin, ipaddr, port) do { \</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"> inet_addr_to_ip4addr(ip_2_ip4(ipaddr), &((sin)->sin_addr)); \</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"> (port) = lwip_ntohs((sin)->sin_port); }while(0)</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define IP6ADDR_PORT_TO_SOCKADDR(sin6, ipaddr, port) do { \</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor"> (sin6)->sin6_len = sizeof(struct sockaddr_in6); \</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor"> (sin6)->sin6_family = AF_INET6; \</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="preprocessor"> (sin6)->sin6_port = lwip_htons((port)); \</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor"> (sin6)->sin6_flowinfo = 0; \</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor"> inet6_addr_from_ip6addr(&(sin6)->sin6_addr, ipaddr); \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor"> (sin6)->sin6_scope_id = 0; }while(0)</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor">#define SOCKADDR6_TO_IP6ADDR_PORT(sin6, ipaddr, port) do { \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor"> inet6_addr_to_ip6addr(ip_2_ip6(ipaddr), &((sin6)->sin6_addr)); \</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor"> (port) = lwip_ntohs((sin6)->sin6_port); }while(0)</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="keyword">static</span> <span class="keywordtype">void</span> sockaddr_to_ipaddr_port(<span class="keyword">const</span> <span class="keyword">struct</span> sockaddr* sockaddr, <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a>* ipaddr, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>* port);</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#define IS_SOCK_ADDR_LEN_VALID(namelen) (((namelen) == sizeof(struct sockaddr_in)) || \</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor"> ((namelen) == sizeof(struct sockaddr_in6)))</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#define IS_SOCK_ADDR_TYPE_VALID(name) (((name)->sa_family == AF_INET) || \</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor"> ((name)->sa_family == AF_INET6))</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#define SOCK_ADDR_TYPE_MATCH(name, sock) \</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor"> ((((name)->sa_family == AF_INET) && !(NETCONNTYPE_ISIPV6((sock)->conn->type))) || \</span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor"> (((name)->sa_family == AF_INET6) && (NETCONNTYPE_ISIPV6((sock)->conn->type))))</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#define IPADDR_PORT_TO_SOCKADDR(sockaddr, ipaddr, port) do { \</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor"> if (IP_IS_V6(ipaddr)) { \</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor"> IP6ADDR_PORT_TO_SOCKADDR((struct sockaddr_in6*)(void*)(sockaddr), ip_2_ip6(ipaddr), port); \</span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor"> } else { \</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor"> IP4ADDR_PORT_TO_SOCKADDR((struct sockaddr_in*)(void*)(sockaddr), ip_2_ip4(ipaddr), port); \</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor"> } } while(0)</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#define SOCKADDR_TO_IPADDR_PORT(sockaddr, ipaddr, port) sockaddr_to_ipaddr_port(sockaddr, ipaddr, &(port))</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#define DOMAIN_TO_NETCONN_TYPE(domain, type) (((domain) == AF_INET) ? \</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor"> (type) : (enum netconn_type)((type) | NETCONN_TYPE_IPV6))</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#elif LWIP_IPV6 </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#define IS_SOCK_ADDR_LEN_VALID(namelen) ((namelen) == sizeof(struct sockaddr_in6))</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#define IS_SOCK_ADDR_TYPE_VALID(name) ((name)->sa_family == AF_INET6)</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#define SOCK_ADDR_TYPE_MATCH(name, sock) 1</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#define IPADDR_PORT_TO_SOCKADDR(sockaddr, ipaddr, port) \</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor"> IP6ADDR_PORT_TO_SOCKADDR((struct sockaddr_in6*)(void*)(sockaddr), ip_2_ip6(ipaddr), port)</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#define SOCKADDR_TO_IPADDR_PORT(sockaddr, ipaddr, port) \</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor"> SOCKADDR6_TO_IP6ADDR_PORT((const struct sockaddr_in6*)(const void*)(sockaddr), ipaddr, port)</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#define DOMAIN_TO_NETCONN_TYPE(domain, netconn_type) (netconn_type)</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#else </span><span class="comment">/*-> LWIP_IPV4: LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#define IS_SOCK_ADDR_LEN_VALID(namelen) ((namelen) == sizeof(struct sockaddr_in))</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#define IS_SOCK_ADDR_TYPE_VALID(name) ((name)->sa_family == AF_INET)</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#define SOCK_ADDR_TYPE_MATCH(name, sock) 1</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#define IPADDR_PORT_TO_SOCKADDR(sockaddr, ipaddr, port) \</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="preprocessor"> IP4ADDR_PORT_TO_SOCKADDR((struct sockaddr_in*)(void*)(sockaddr), ip_2_ip4(ipaddr), port)</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="preprocessor">#define SOCKADDR_TO_IPADDR_PORT(sockaddr, ipaddr, port) \</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor"> SOCKADDR4_TO_IP4ADDR_PORT((const struct sockaddr_in*)(const void*)(sockaddr), ipaddr, port)</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="preprocessor">#define DOMAIN_TO_NETCONN_TYPE(domain, netconn_type) (netconn_type)</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#define IS_SOCK_ADDR_TYPE_VALID_OR_UNSPEC(name) (((name)->sa_family == AF_UNSPEC) || \</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="preprocessor"> IS_SOCK_ADDR_TYPE_VALID(name))</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="preprocessor">#define SOCK_ADDR_TYPE_MATCH_OR_UNSPEC(name, sock) (((name)->sa_family == AF_UNSPEC) || \</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor"> SOCK_ADDR_TYPE_MATCH(name, sock))</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#define IS_SOCK_ADDR_ALIGNED(name) ((((mem_ptr_t)(name)) % 4) == 0)</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#define LWIP_SOCKOPT_CHECK_OPTLEN(optlen, opttype) do { if ((optlen) < sizeof(opttype)) { return EINVAL; }}while(0)</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#define LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, optlen, opttype) do { \</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"> LWIP_SOCKOPT_CHECK_OPTLEN(optlen, opttype); \</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor"> if ((sock)->conn == NULL) { return EINVAL; } }while(0)</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#define LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, opttype) do { \</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor"> LWIP_SOCKOPT_CHECK_OPTLEN(optlen, opttype); \</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"> if (((sock)->conn == NULL) || ((sock)->conn->pcb.tcp == NULL)) { return EINVAL; } }while(0)</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="preprocessor">#define LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, opttype, netconntype) do { \</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="preprocessor"> LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, opttype); \</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="preprocessor"> if (NETCONNTYPE_GROUP(netconn_type((sock)->conn)) != netconntype) { return ENOPROTOOPT; } }while(0)</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  </div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#define LWIP_SETGETSOCKOPT_DATA_VAR_REF(name) API_VAR_REF(name)</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#define LWIP_SETGETSOCKOPT_DATA_VAR_DECLARE(name) API_VAR_DECLARE(struct lwip_setgetsockopt_data, name)</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="preprocessor">#define LWIP_SETGETSOCKOPT_DATA_VAR_FREE(name) API_VAR_FREE(MEMP_SOCKET_SETGETSOCKOPT_DATA, name)</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> <span class="preprocessor">#define LWIP_SETGETSOCKOPT_DATA_VAR_ALLOC(name, sock) do { \</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor"> name = (struct lwip_setgetsockopt_data *)memp_malloc(MEMP_SOCKET_SETGETSOCKOPT_DATA); \</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor"> if (name == NULL) { \</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor"> sock_set_errno(sock, ENOMEM); \</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor"> return -1; \</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor"> } }while(0)</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor">#define LWIP_SETGETSOCKOPT_DATA_VAR_ALLOC(name, sock)</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#if LWIP_SO_SNDRCVTIMEO_NONSTANDARD</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor">#define LWIP_SO_SNDRCVTIMEO_OPTTYPE int</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor">#define LWIP_SO_SNDRCVTIMEO_SET(optval, val) (*(int *)(optval) = (val))</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval) ((s32_t)*(const int*)(optval))</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor">#define LWIP_SO_SNDRCVTIMEO_OPTTYPE struct timeval</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor">#define LWIP_SO_SNDRCVTIMEO_SET(optval, val) do { \</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"> s32_t loc = (val); \</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"> ((struct timeval *)(optval))->tv_sec = (loc) / 1000U; \</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"> ((struct timeval *)(optval))->tv_usec = ((loc) % 1000U) * 1000U; }while(0)</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor">#define LWIP_SO_SNDRCVTIMEO_GET_MS(optval) ((((const struct timeval *)(optval))->tv_sec * 1000U) + (((const struct timeval *)(optval))->tv_usec / 1000U))</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor">#define NUM_SOCKETS MEMP_NUM_NETCONN</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor">#ifndef SELWAIT_T</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor">#define SELWAIT_T u8_t</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="keyword">struct </span>lwip_sock {</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keywordtype">void</span> *lastdata;</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> lastoffset;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a> rcvevent;</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> sendevent;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> errevent;</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> err;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  SELWAIT_T select_waiting;</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> };</div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="preprocessor">#define SELECT_SEM_T sys_sem_t*</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="preprocessor">#define SELECT_SEM_PTR(sem) (sem)</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="preprocessor">#define SELECT_SEM_T sys_sem_t</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="preprocessor">#define SELECT_SEM_PTR(sem) (&(sem))</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  </div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="keyword">struct </span>lwip_select_cb {</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keyword">struct </span>lwip_select_cb *next;</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keyword">struct </span>lwip_select_cb *prev;</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *readset;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *writeset;</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *exceptset;</div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordtype">int</span> sem_signalled;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  SELECT_SEM_T sem;</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span> };</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  </div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span> <span class="keyword">union </span>sockaddr_aligned {</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keyword">struct </span>sockaddr sa;</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="keyword">struct </span>sockaddr_in6 sin6;</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="preprocessor">#if LWIP_IPV4</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">struct </span>sockaddr_in sin;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> };</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="preprocessor">#if LWIP_IGMP</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment">/* Define the number of IPv4 multicast memberships, default is one per socket */</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#ifndef LWIP_SOCKET_MAX_MEMBERSHIPS</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor">#define LWIP_SOCKET_MAX_MEMBERSHIPS NUM_SOCKETS</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  </div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="comment">/* This is to keep track of IP_ADD_MEMBERSHIP calls to drop the membership when</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span> <span class="comment"> a socket is closed */</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="keyword">struct </span>lwip_socket_multicast_pair {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keyword">struct </span>lwip_sock* sock;</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  ip4_addr_t if_addr;</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  ip4_addr_t multi_addr;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> };</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="keyword">struct </span>lwip_socket_multicast_pair socket_ipv4_multicast_memberships[LWIP_SOCKET_MAX_MEMBERSHIPS];</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="keyword">static</span> <span class="keywordtype">int</span> lwip_socket_register_membership(<span class="keywordtype">int</span> s, <span class="keyword">const</span> ip4_addr_t *if_addr, <span class="keyword">const</span> ip4_addr_t *multi_addr);</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="keyword">static</span> <span class="keywordtype">void</span> lwip_socket_unregister_membership(<span class="keywordtype">int</span> s, <span class="keyword">const</span> ip4_addr_t *if_addr, <span class="keyword">const</span> ip4_addr_t *multi_addr);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="keyword">static</span> <span class="keywordtype">void</span> lwip_socket_drop_registered_memberships(<span class="keywordtype">int</span> s);</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="keyword">static</span> <span class="keyword">struct </span>lwip_sock sockets[NUM_SOCKETS];</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">static</span> <span class="keyword">struct </span>lwip_select_cb *select_cb_list;</div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span> <span class="keyword">static</span> <span class="keyword">volatile</span> <span class="keywordtype">int</span> select_cb_ctr;</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor">#if LWIP_SOCKET_SET_ERRNO</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span> <span class="preprocessor">#ifndef set_errno</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor">#define set_errno(err) do { if (err) { errno = (err); } } while(0)</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_SOCKET_SET_ERRNO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#define set_errno(err)</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SOCKET_SET_ERRNO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  </div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="preprocessor">#define sock_set_errno(sk, e) do { \</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor"> const int sockerr = (e); \</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="preprocessor"> sk->err = (u8_t)sockerr; \</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor"> set_errno(sockerr); \</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor">} while (0)</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  </div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment">/* Forward declaration of some functions */</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="keyword">static</span> <span class="keywordtype">void</span> event_callback(<span class="keyword">struct</span> netconn *conn, <span class="keyword">enum</span> netconn_evt evt, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len);</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor">#if !LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="keyword">static</span> <span class="keywordtype">void</span> lwip_getsockopt_callback(<span class="keywordtype">void</span> *arg);</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="keyword">static</span> <span class="keywordtype">void</span> lwip_setsockopt_callback(<span class="keywordtype">void</span> *arg);</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="keyword">static</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> lwip_getsockopt_impl(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keywordtype">void</span> *optval, socklen_t *optlen);</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="keyword">static</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> lwip_setsockopt_impl(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keyword">const</span> <span class="keywordtype">void</span> *optval, socklen_t optlen);</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  </div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> sockaddr_to_ipaddr_port(<span class="keyword">const</span> <span class="keyword">struct</span> sockaddr* sockaddr, <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a>* ipaddr, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>* port)</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> {</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> ((sockaddr->sa_family) == AF_INET6) {</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  SOCKADDR6_TO_IP6ADDR_PORT((<span class="keyword">const</span> <span class="keyword">struct</span> sockaddr_in6*)(<span class="keyword">const</span> <span class="keywordtype">void</span>*)(sockaddr), ipaddr, *port);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  ipaddr->type = <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02">IPADDR_TYPE_V6</a>;</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  SOCKADDR4_TO_IP4ADDR_PORT((<span class="keyword">const</span> <span class="keyword">struct</span> sockaddr_in*)(<span class="keyword">const</span> <span class="keywordtype">void</span>*)(sockaddr), ipaddr, *port);</div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  ipaddr->type = <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a>;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span> }</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> lwip_socket_thread_init(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  netconn_thread_init();</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span> }</div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  </div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> lwip_socket_thread_cleanup(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span> {</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  netconn_thread_cleanup();</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> }</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="keyword">static</span> <span class="keyword">struct </span>lwip_sock *</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span> get_socket(<span class="keywordtype">int</span> s)</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span> {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  </div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  s -= <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>;</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  </div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordflow">if</span> ((s < 0) || (s >= NUM_SOCKETS)) {</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"get_socket(%d): invalid\n"</span>, s + <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>));</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#ac54507d66b43ad12f9356257323c0018">EBADF</a>);</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  }</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  </div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  sock = &sockets[s];</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  </div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="keywordflow">if</span> (!sock->conn) {</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"get_socket(%d): not active\n"</span>, s + <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>));</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#ac54507d66b43ad12f9356257323c0018">EBADF</a>);</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  }</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  </div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keywordflow">return</span> sock;</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span> }</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  </div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="keyword">static</span> <span class="keyword">struct </span>lwip_sock *</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span> tryget_socket(<span class="keywordtype">int</span> s)</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span> {</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  s -= <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>;</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">if</span> ((s < 0) || (s >= NUM_SOCKETS)) {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  }</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span> (!sockets[s].conn) {</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  }</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> &sockets[s];</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> }</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  </div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span> alloc_socket(<span class="keyword">struct</span> netconn *newconn, <span class="keywordtype">int</span> accepted)</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span> {</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <a class="code" href="../../d9/d87/sys_8h.html#a945395fa326214fc9736487242710a90">SYS_ARCH_DECL_PROTECT</a>(lev);</div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  </div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="comment">/* allocate a new socket identifier */</span></div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordflow">for</span> (i = 0; i < NUM_SOCKETS; ++i) {</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="comment">/* Protect socket array */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="keywordflow">if</span> (!sockets[i].conn && (sockets[i].select_waiting == 0)) {</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  sockets[i].conn = newconn;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="comment">/* The socket is not yet known to anyone, so no need to protect</span></div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment"> after having marked it as used. */</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  sockets[i].lastdata = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  sockets[i].lastoffset = 0;</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  sockets[i].rcvevent = 0;</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="comment">/* TCP sendbuf is empty, but the socket is not yet writable until connected</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="comment"> * (unless it has been created by accept()). */</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  sockets[i].sendevent = (NETCONNTYPE_GROUP(newconn->type) == NETCONN_TCP ? (accepted != 0) : 1);</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  sockets[i].errevent = 0;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  sockets[i].err = 0;</div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">return</span> i + <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>;</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  }</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span> }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  </div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span> free_socket(<span class="keyword">struct</span> lwip_sock *sock, <span class="keywordtype">int</span> is_tcp)</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span> {</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="keywordtype">void</span> *lastdata;</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  </div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  lastdata = sock->lastdata;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  sock->lastdata = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  sock->lastoffset = 0;</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  sock->err = 0;</div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  </div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="comment">/* Protect socket array */</span></div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <a class="code" href="../../d9/d87/sys_8h.html#a24ff55288a4d9fa28100c78b2f4612f6">SYS_ARCH_SET</a>(sock->conn, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="comment">/* don't use 'sock' after this line, as another task might have allocated it */</span></div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  </div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="keywordflow">if</span> (lastdata != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> (is_tcp) {</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>((<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *)lastdata);</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  netbuf_delete((<span class="keyword">struct</span> netbuf *)lastdata);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  }</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  }</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span> }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment">/* Below this, the well-known socket functions are implemented.</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> * Use google.com or opengroup.org to get a good description :-)</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> * Exceptions are documented!</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  </div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span> lwip_accept(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *addr, socklen_t *addrlen)</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span> {</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keyword">struct </span>lwip_sock *sock, *nsock;</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keyword">struct </span>netconn *newconn;</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> naddr;</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port = 0;</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="keywordtype">int</span> newsock;</div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <a class="code" href="../../d9/d87/sys_8h.html#a945395fa326214fc9736487242710a90">SYS_ARCH_DECL_PROTECT</a>(lev);</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  </div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_accept(%d)...\n"</span>, s));</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  }</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  </div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">if</span> (netconn_is_nonblocking(sock->conn) && (sock->rcvevent <= 0)) {</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_accept(%d): returning EWOULDBLOCK\n"</span>, s));</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#a4a3a0b3605fd3b2336455062ee8e25f0">EWOULDBLOCK</a>);</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  }</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  </div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="comment">/* wait for a new connection */</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  err = netconn_accept(sock->conn, &newconn);</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_accept(%d): netconn_acept failed, err=%d\n"</span>, s, err));</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_TCP) {</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a4b807895c74cea4d0302bf27725d4b9d">EOPNOTSUPP</a>);</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>) {</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>);</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  }</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"newconn != NULL"</span>, newconn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  </div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  newsock = alloc_socket(newconn, 1);</div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</span> (newsock == -1) {</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  netconn_delete(newconn);</div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a5554094b3fb4bb6ebeb0157cb3f82a55">ENFILE</a>);</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  }</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"invalid socket index"</span>, (newsock >= <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>) && (newsock < NUM_SOCKETS + <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>));</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"newconn->callback == event_callback"</span>, newconn->callback == event_callback);</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  nsock = &sockets[newsock - <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>];</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  </div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="comment">/* See event_callback: If data comes in right away after an accept, even</span></div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment"> * though the server task might not have created a new socket yet.</span></div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="comment"> * In that case, newconn->socket is counted down (newconn->socket--),</span></div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="comment"> * so nsock->rcvevent is >= 1 here!</span></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  nsock->rcvevent += (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)(-1 - newconn->socket);</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  newconn->socket = newsock;</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  </div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="comment">/* Note that POSIX only requires us to check addr is non-NULL. addrlen must</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"> * not be NULL if addr is valid.</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keywordflow">if</span> (addr != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keyword">union </span>sockaddr_aligned tempaddr;</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="comment">/* get the IP address and port of the remote host */</span></div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  err = netconn_peer(newconn, &naddr, &port);</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_accept(%d): netconn_peer failed, err=%d\n"</span>, s, err));</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  netconn_delete(newconn);</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  free_socket(nsock, 1);</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  }</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"addr valid but addrlen NULL"</span>, addrlen != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  </div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  IPADDR_PORT_TO_SOCKADDR(&tempaddr, &naddr, port);</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">if</span> (*addrlen > tempaddr.sa.sa_len) {</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  *addrlen = tempaddr.sa.sa_len;</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  }</div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(addr, &tempaddr, *addrlen);</div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  </div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_accept(%d) returning new sock=%d addr="</span>, s, newsock));</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#ac3d7eec8027db2203117e6f30df8fba5">ip_addr_debug_print_val</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, naddr);</div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">" port=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, port));</div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_accept(%d) returning new sock=%d"</span>, s, newsock));</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  }</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  </div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="keywordflow">return</span> newsock;</div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span> }</div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  </div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span> lwip_bind(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t namelen)</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> {</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> local_addr;</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> local_port;</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  </div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  </div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordflow">if</span> (!SOCK_ADDR_TYPE_MATCH(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, sock)) {</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="comment">/* sockaddr does not match socket type (IPv4/IPv6) */</span></div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>));</div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  }</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  </div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="comment">/* check size, family and alignment of 'name' */</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"lwip_bind: invalid address"</span>, (IS_SOCK_ADDR_LEN_VALID(namelen) &&</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  IS_SOCK_ADDR_TYPE_VALID(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>) && IS_SOCK_ADDR_ALIGNED(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>)),</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>)); <span class="keywordflow">return</span> -1;);</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(namelen);</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  </div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  SOCKADDR_TO_IPADDR_PORT(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, &local_addr, local_port);</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_bind(%d, addr="</span>, s));</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#ac3d7eec8027db2203117e6f30df8fba5">ip_addr_debug_print_val</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, local_addr);</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">" port=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">")\n"</span>, local_port));</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  </div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">/* Dual-stack: Unmap IPv4 mapped IPv6 addresses */</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a1578e34703e86711a7fb7dcc3857004d">IP_IS_V6_VAL</a>(local_addr) && ip6_addr_isipv4mappedipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&local_addr))) {</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  unmap_ipv4_mapped_ipv6(ip_2_ip4(&local_addr), <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&local_addr));</div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(local_addr, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a>);</div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  }</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  </div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  err = netconn_bind(sock->conn, &local_addr, local_port);</div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  </div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_bind(%d) failed, err=%d\n"</span>, s, err));</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  }</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  </div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_bind(%d) succeeded\n"</span>, s));</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span> }</div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  </div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span> lwip_close(<span class="keywordtype">int</span> s)</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span> {</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keywordtype">int</span> is_tcp = 0;</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  </div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_close(%d)\n"</span>, s));</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  </div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  }</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  </div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keywordflow">if</span> (sock->conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  is_tcp = NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP;</div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"sock->lastdata == NULL"</span>, sock->lastdata == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  }</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  </div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span> <span class="preprocessor">#if LWIP_IGMP</span></div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  <span class="comment">/* drop all possibly joined IGMP memberships */</span></div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  lwip_socket_drop_registered_memberships(s);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  </div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  err = netconn_delete(sock->conn);</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  }</div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  </div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  free_socket(sock, is_tcp);</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  set_errno(0);</div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span> }</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  </div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span> lwip_connect(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t namelen)</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span> {</div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  </div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  }</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  </div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  <span class="keywordflow">if</span> (!SOCK_ADDR_TYPE_MATCH_OR_UNSPEC(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, sock)) {</div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="comment">/* sockaddr does not match socket type (IPv4/IPv6) */</span></div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>));</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  }</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(namelen);</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>->sa_family == AF_UNSPEC) {</div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_connect(%d, AF_UNSPEC)\n"</span>, s));</div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  err = netconn_disconnect(sock->conn);</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> remote_addr;</div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> remote_port;</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  </div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  <span class="comment">/* check size, family and alignment of 'name' */</span></div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"lwip_connect: invalid address"</span>, IS_SOCK_ADDR_LEN_VALID(namelen) &&</div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  IS_SOCK_ADDR_TYPE_VALID_OR_UNSPEC(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>) && IS_SOCK_ADDR_ALIGNED(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>),</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>)); <span class="keywordflow">return</span> -1;);</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  </div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  SOCKADDR_TO_IPADDR_PORT(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, &remote_addr, remote_port);</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_connect(%d, addr="</span>, s));</div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#ac3d7eec8027db2203117e6f30df8fba5">ip_addr_debug_print_val</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, remote_addr);</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">" port=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">")\n"</span>, remote_port));</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  </div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  <span class="comment">/* Dual-stack: Unmap IPv4 mapped IPv6 addresses */</span></div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a1578e34703e86711a7fb7dcc3857004d">IP_IS_V6_VAL</a>(remote_addr) && ip6_addr_isipv4mappedipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&remote_addr))) {</div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  unmap_ipv4_mapped_ipv6(ip_2_ip4(&remote_addr), <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&remote_addr));</div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(remote_addr, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a>);</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  }</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span>  </div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  err = netconn_connect(sock->conn, &remote_addr, remote_port);</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  }</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span>  </div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_connect(%d) failed, err=%d\n"</span>, s, err));</div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  }</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  </div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_connect(%d) succeeded\n"</span>, s));</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> }</div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  </div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span> lwip_listen(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> backlog)</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span> {</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  </div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_listen(%d, backlog=%d)\n"</span>, s, backlog));</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  </div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span>  </div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  <span class="comment">/* limit the "backlog" parameter to fit in an u8_t */</span></div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  backlog = <a class="code" href="../../d4/da4/def_8h.html#a748f5df614a3fc989e8900fd229d6e4e">LWIP_MIN</a>(<a class="code" href="../../d4/da4/def_8h.html#a21ea174d374106caeafb4aa3a24fbd2b">LWIP_MAX</a>(backlog, 0), 0xff);</div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  </div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  err = netconn_listen_with_backlog(sock->conn, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>)backlog);</div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  </div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_listen(%d) failed, err=%d\n"</span>, s, err));</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_TCP) {</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a4b807895c74cea4d0302bf27725d4b9d">EOPNOTSUPP</a>);</div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  }</div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  }</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  </div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span> }</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span>  </div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> lwip_recvfrom(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>, <span class="keywordtype">size_t</span> len, <span class="keywordtype">int</span> flags,</div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keyword">struct</span> sockaddr *from, socklen_t *fromlen)</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> {</div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <span class="keywordtype">void</span> *<a class="code" href="../../d9/dd0/structbuf.html">buf</a> = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  <span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p;</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> buflen, copylen;</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span>  <span class="keywordtype">int</span> off = 0;</div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> done = 0;</div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  </div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom(%d, %p, %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4cd359b6110f318ef71814587e1df029">SZT_F</a><span class="stringliteral">", 0x%x, ..)\n"</span>, s, <a class="code" href="../../d0/d0f/structmem.html">mem</a>, <a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>, <a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a>));</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span>  }</div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  </div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom: top while sock->lastdata=%p\n"</span>, sock->lastdata));</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  <span class="comment">/* Check if there is data left from the last recv operation. */</span></div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">if</span> (sock->lastdata) {</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a> = sock->lastdata;</div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span>  <span class="comment">/* If this is non-blocking call, then check first */</span></div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="keywordflow">if</span> (((<a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a> & MSG_DONTWAIT) || netconn_is_nonblocking(sock->conn)) &&</div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  (sock->rcvevent <= 0)) {</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  <span class="keywordflow">if</span> (off > 0) {</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  <span class="comment">/* already received data, return that */</span></div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span>  <span class="keywordflow">return</span> off;</div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  }</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom(%d): returning EWOULDBLOCK\n"</span>, s));</div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#a4a3a0b3605fd3b2336455062ee8e25f0">EWOULDBLOCK</a>);</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  }</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  </div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  <span class="comment">/* No data was left from the previous operation, so we try to get</span></div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span> <span class="comment"> some from the network. */</span></div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  err = netconn_recv_tcp_pbuf(sock->conn, (<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> **)&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  err = netconn_recv(sock->conn, (<span class="keyword">struct</span> netbuf **)&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  }</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom: netconn_recv err=%d, netbuf=%p\n"</span>,</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  err, <a class="code" href="../../d9/dd0/structbuf.html">buf</a>));</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  </div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00789"></a><span class="lineno"> 789</span>  <span class="keywordflow">if</span> (off > 0) {</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>) {</div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  <span class="comment">/* closed but already received data, ensure select gets the FIN, too */</span></div>
<div class="line"><a name="l00792"></a><span class="lineno"> 792</span>  event_callback(sock->conn, NETCONN_EVT_RCVPLUS, 0);</div>
<div class="line"><a name="l00793"></a><span class="lineno"> 793</span>  }</div>
<div class="line"><a name="l00794"></a><span class="lineno"> 794</span>  <span class="comment">/* already received data, return that */</span></div>
<div class="line"><a name="l00795"></a><span class="lineno"> 795</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00796"></a><span class="lineno"> 796</span>  <span class="keywordflow">return</span> off;</div>
<div class="line"><a name="l00797"></a><span class="lineno"> 797</span>  }</div>
<div class="line"><a name="l00798"></a><span class="lineno"> 798</span>  <span class="comment">/* We should really do some error checking here. */</span></div>
<div class="line"><a name="l00799"></a><span class="lineno"> 799</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom(%d): buf == NULL, error is \"%s\"!\n"</span>,</div>
<div class="line"><a name="l00800"></a><span class="lineno"> 800</span>  s, <a class="code" href="../../d6/d40/err_8h.html#ab58c2561ad3b133e625183721b25ba27">lwip_strerr</a>(err)));</div>
<div class="line"><a name="l00801"></a><span class="lineno"> 801</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00802"></a><span class="lineno"> 802</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a>) {</div>
<div class="line"><a name="l00803"></a><span class="lineno"> 803</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00804"></a><span class="lineno"> 804</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00805"></a><span class="lineno"> 805</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00806"></a><span class="lineno"> 806</span>  }</div>
<div class="line"><a name="l00807"></a><span class="lineno"> 807</span>  }</div>
<div class="line"><a name="l00808"></a><span class="lineno"> 808</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"buf != NULL"</span>, <a class="code" href="../../d9/dd0/structbuf.html">buf</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00809"></a><span class="lineno"> 809</span>  sock->lastdata = <a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l00810"></a><span class="lineno"> 810</span>  }</div>
<div class="line"><a name="l00811"></a><span class="lineno"> 811</span>  </div>
<div class="line"><a name="l00812"></a><span class="lineno"> 812</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l00813"></a><span class="lineno"> 813</span>  p = (<span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *)<a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l00814"></a><span class="lineno"> 814</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00815"></a><span class="lineno"> 815</span>  p = ((<span class="keyword">struct </span>netbuf *)<a class="code" href="../../d9/dd0/structbuf.html">buf</a>)->p;</div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span>  }</div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span>  buflen = p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>;</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom: buflen=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" len=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4cd359b6110f318ef71814587e1df029">SZT_F</a><span class="stringliteral">" off=%d sock->lastoffset=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  buflen, len, off, sock->lastoffset));</div>
<div class="line"><a name="l00820"></a><span class="lineno"> 820</span>  </div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  buflen -= sock->lastoffset;</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  </div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="keywordflow">if</span> (len > buflen) {</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  copylen = buflen;</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  copylen = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)len;</div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  }</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  </div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="comment">/* copy the contents of the received buffer into</span></div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span> <span class="comment"> the supplied memory pointer mem */</span></div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gac2f1f58fd36042e82af46f5015720899">pbuf_copy_partial</a>(p, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)<a class="code" href="../../d0/d0f/structmem.html">mem</a> + off, copylen, sock->lastoffset);</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  </div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  off += copylen;</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span>  </div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l00836"></a><span class="lineno"> 836</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"invalid copylen, len would underflow"</span>, len >= copylen);</div>
<div class="line"><a name="l00837"></a><span class="lineno"> 837</span>  len -= copylen;</div>
<div class="line"><a name="l00838"></a><span class="lineno"> 838</span>  <span class="keywordflow">if</span> ((len <= 0) ||</div>
<div class="line"><a name="l00839"></a><span class="lineno"> 839</span>  (p-><a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a> & <a class="code" href="../../d0/d35/pbuf_8h.html#a018a6499e357f8a1373321f802a82930">PBUF_FLAG_PUSH</a>) ||</div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span>  (sock->rcvevent <= 0) ||</div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span>  ((flags & MSG_PEEK) != 0)) {</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  done = 1;</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  }</div>
<div class="line"><a name="l00844"></a><span class="lineno"> 844</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  done = 1;</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  }</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  </div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <span class="comment">/* Check to see from where the data was.*/</span></div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  <span class="keywordflow">if</span> (done) {</div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span> <span class="preprocessor">#if !SOCKETS_DEBUG</span></div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">if</span> (from && fromlen)</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span> <span class="preprocessor">#endif </span><span class="comment">/* !SOCKETS_DEBUG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  {</div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port;</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> tmpaddr;</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *fromaddr;</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  <span class="keyword">union </span>sockaddr_aligned saddr;</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom(%d): addr="</span>, s));</div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  fromaddr = &tmpaddr;</div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  netconn_getaddr(sock->conn, fromaddr, &port, 0);</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  port = netbuf_fromport((<span class="keyword">struct</span> netbuf *)<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  fromaddr = netbuf_fromaddr((<span class="keyword">struct</span> netbuf *)<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  }</div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  </div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  <span class="comment">/* Dual-stack: Map IPv4 addresses to IPv4 mapped IPv6 */</span></div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <span class="keywordflow">if</span> (NETCONNTYPE_ISIPV6(netconn_type(sock->conn)) && <a class="code" href="../../de/df7/ip__addr_8h.html#abee5dab2191bb0f3355d7f30d1496f24">IP_IS_V4</a>(fromaddr)) {</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  ip4_2_ipv4_mapped_ipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(fromaddr), ip_2_ip4(fromaddr));</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a4d435d88b2eaebaea1ef75ee586204fd">IP_SET_TYPE</a>(fromaddr, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02">IPADDR_TYPE_V6</a>);</div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  }</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  </div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  IPADDR_PORT_TO_SOCKADDR(&saddr, fromaddr, port);</div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#af7d84bce2fb861a97f3047ecd69ab018">ip_addr_debug_print</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, fromaddr);</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">" port=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" len=%d\n"</span>, port, off));</div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span> <span class="preprocessor">#if SOCKETS_DEBUG</span></div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="keywordflow">if</span> (from && fromlen)</div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span> <span class="preprocessor">#endif </span><span class="comment">/* SOCKETS_DEBUG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  {</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  <span class="keywordflow">if</span> (*fromlen > saddr.sa.sa_len) {</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  *fromlen = saddr.sa.sa_len;</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  }</div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(from, &saddr, *fromlen);</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  }</div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  }</div>
<div class="line"><a name="l00888"></a><span class="lineno"> 888</span>  }</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  </div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span>  <span class="comment">/* If we don't peek the incoming message... */</span></div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  <span class="keywordflow">if</span> ((flags & MSG_PEEK) == 0) {</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="comment">/* If this is a TCP socket, check if there is data left in the</span></div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="comment"> buffer. If so, it should be saved in the sock structure for next</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span> <span class="comment"> time around. */</span></div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="keywordflow">if</span> ((NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) && (buflen - copylen > 0)) {</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  sock->lastdata = <a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span>  sock->lastoffset += copylen;</div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom: lastdata now netbuf=%p\n"</span>, <a class="code" href="../../d9/dd0/structbuf.html">buf</a>));</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  sock->lastdata = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  sock->lastoffset = 0;</div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_recvfrom: deleting netbuf=%p\n"</span>, <a class="code" href="../../d9/dd0/structbuf.html">buf</a>));</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>((<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *)<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  netbuf_delete((<span class="keyword">struct</span> netbuf *)<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span>  }</div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a> = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  }</div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  }</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  } <span class="keywordflow">while</span> (!done);</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  </div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  <span class="keywordflow">return</span> off;</div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span> }</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  </div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span> lwip_read(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00919"></a><span class="lineno"> 919</span> {</div>
<div class="line"><a name="l00920"></a><span class="lineno"> 920</span>  <span class="keywordflow">return</span> lwip_recvfrom(s, <a class="code" href="../../d0/d0f/structmem.html">mem</a>, len, 0, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00921"></a><span class="lineno"> 921</span> }</div>
<div class="line"><a name="l00922"></a><span class="lineno"> 922</span>  </div>
<div class="line"><a name="l00923"></a><span class="lineno"> 923</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00924"></a><span class="lineno"> 924</span> lwip_recv(<span class="keywordtype">int</span> s, <span class="keywordtype">void</span> *<a class="code" href="../../d0/d0f/structmem.html">mem</a>, <span class="keywordtype">size_t</span> len, <span class="keywordtype">int</span> flags)</div>
<div class="line"><a name="l00925"></a><span class="lineno"> 925</span> {</div>
<div class="line"><a name="l00926"></a><span class="lineno"> 926</span>  <span class="keywordflow">return</span> lwip_recvfrom(s, <a class="code" href="../../d0/d0f/structmem.html">mem</a>, len, flags, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00927"></a><span class="lineno"> 927</span> }</div>
<div class="line"><a name="l00928"></a><span class="lineno"> 928</span>  </div>
<div class="line"><a name="l00929"></a><span class="lineno"> 929</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00930"></a><span class="lineno"> 930</span> lwip_send(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> flags)</div>
<div class="line"><a name="l00931"></a><span class="lineno"> 931</span> {</div>
<div class="line"><a name="l00932"></a><span class="lineno"> 932</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00933"></a><span class="lineno"> 933</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l00934"></a><span class="lineno"> 934</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> write_flags;</div>
<div class="line"><a name="l00935"></a><span class="lineno"> 935</span>  <span class="keywordtype">size_t</span> written;</div>
<div class="line"><a name="l00936"></a><span class="lineno"> 936</span>  </div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_send(%d, data=%p, size=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4cd359b6110f318ef71814587e1df029">SZT_F</a><span class="stringliteral">", flags=0x%x)\n"</span>,</div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span>  s, data, size, flags));</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  </div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00942"></a><span class="lineno"> 942</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  }</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  </div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_TCP) {</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span> <span class="preprocessor">#if (LWIP_UDP || LWIP_RAW)</span></div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="keywordflow">return</span> lwip_sendto(s, data, size, flags, <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>, 0);</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span> <span class="preprocessor">#else </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>));</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span> <span class="preprocessor">#endif </span><span class="comment">/* (LWIP_UDP || LWIP_RAW) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  }</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  </div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  write_flags = NETCONN_COPY |</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  ((flags & MSG_MORE) ? NETCONN_MORE : 0) |</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0);</div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</span>  written = 0;</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  err = netconn_write_partly(sock->conn, data, size, write_flags, &written);</div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  </div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_send(%d) err=%d written=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4cd359b6110f318ef71814587e1df029">SZT_F</a><span class="stringliteral">"\n"</span>, s, err, written));</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  <span class="keywordflow">return</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a> ? (<span class="keywordtype">int</span>)written : -1);</div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span> }</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  </div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span> lwip_sendmsg(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> msghdr *msg, <span class="keywordtype">int</span> flags)</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span> {</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> write_flags;</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span>  <span class="keywordtype">size_t</span> written;</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  <span class="keywordtype">int</span> size = 0;</div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  </div>
<div class="line"><a name="l00977"></a><span class="lineno"> 977</span>  sock = get_socket(s);</div>
<div class="line"><a name="l00978"></a><span class="lineno"> 978</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l00979"></a><span class="lineno"> 979</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l00980"></a><span class="lineno"> 980</span>  }</div>
<div class="line"><a name="l00981"></a><span class="lineno"> 981</span>  </div>
<div class="line"><a name="l00982"></a><span class="lineno"> 982</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"lwip_sendmsg: invalid msghdr"</span>, msg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>,</div>
<div class="line"><a name="l00983"></a><span class="lineno"> 983</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>)); <span class="keywordflow">return</span> -1;);</div>
<div class="line"><a name="l00984"></a><span class="lineno"> 984</span>  </div>
<div class="line"><a name="l00985"></a><span class="lineno"> 985</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(msg->msg_control);</div>
<div class="line"><a name="l00986"></a><span class="lineno"> 986</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(msg->msg_controllen);</div>
<div class="line"><a name="l00987"></a><span class="lineno"> 987</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(msg->msg_flags);</div>
<div class="line"><a name="l00988"></a><span class="lineno"> 988</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"lwip_sendmsg: invalid msghdr iov"</span>, (msg->msg_iov != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && msg->msg_iovlen != 0),</div>
<div class="line"><a name="l00989"></a><span class="lineno"> 989</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>)); <span class="keywordflow">return</span> -1;);</div>
<div class="line"><a name="l00990"></a><span class="lineno"> 990</span>  </div>
<div class="line"><a name="l00991"></a><span class="lineno"> 991</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l00992"></a><span class="lineno"> 992</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00993"></a><span class="lineno"> 993</span>  write_flags = NETCONN_COPY |</div>
<div class="line"><a name="l00994"></a><span class="lineno"> 994</span>  ((flags & MSG_MORE) ? NETCONN_MORE : 0) |</div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span>  ((flags & MSG_DONTWAIT) ? NETCONN_DONTBLOCK : 0);</div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span>  </div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <span class="keywordflow">for</span> (i = 0; i < msg->msg_iovlen; i++) {</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> apiflags = write_flags;</div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</span>  <span class="keywordflow">if</span> (i + 1 < msg->msg_iovlen) {</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>  apiflags |= NETCONN_MORE;</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  }</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  written = 0;</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  err = netconn_write_partly(sock->conn, msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len, write_flags, &written);</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  size += written;</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="comment">/* check that the entire IO vector was accepected, if not return a partial write */</span></div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <span class="keywordflow">if</span> (written != msg->msg_iov[i].iov_len)</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  }</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  <span class="comment">/* none of this IO vector was accepted, but previous was, return partial write and conceal ERR_WOULDBLOCK */</span></div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a> && size > 0) {</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <span class="comment">/* let ERR_WOULDBLOCK persist on the netconn since we are returning ERR_OK */</span></div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>  size = -1;</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  }</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  }</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  <span class="keywordflow">return</span> size;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>));</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  }</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="comment">/* else, UDP and RAW NETCONNs */</span></div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span> <span class="preprocessor">#if LWIP_UDP || LWIP_RAW</span></div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  {</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  <span class="keyword">struct </span>netbuf *chain_buf;</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  </div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(flags);</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"lwip_sendmsg: invalid msghdr name"</span>, (((msg->msg_name == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (msg->msg_namelen == 0)) ||</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  IS_SOCK_ADDR_LEN_VALID(msg->msg_namelen)) ,</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>)); <span class="keywordflow">return</span> -1;);</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>  </div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  <span class="comment">/* initialize chain buffer with destination */</span></div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>  chain_buf = netbuf_new();</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  <span class="keywordflow">if</span> (!chain_buf) {</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>));</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>  }</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>  <span class="keywordflow">if</span> (msg->msg_name) {</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> remote_port;</div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>  SOCKADDR_TO_IPADDR_PORT((<span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *)msg->msg_name, &chain_buf->addr, remote_port);</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>  netbuf_fromport(chain_buf) = remote_port;</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>  }</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span> <span class="preprocessor">#if LWIP_NETIF_TX_SINGLE_PBUF</span></div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>  <span class="keywordflow">for</span> (i = 0; i < msg->msg_iovlen; i++) {</div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>  size += msg->msg_iov[i].iov_len;</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>  }</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="comment">/* Allocate a new netbuf and copy the data into it. */</span></div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  <span class="keywordflow">if</span> (netbuf_alloc(chain_buf, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)size) == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <span class="comment">/* flatten the IO vectors */</span></div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  <span class="keywordtype">size_t</span> offset = 0;</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keywordflow">for</span> (i = 0; i < msg->msg_iovlen; i++) {</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(&((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)chain_buf->p->payload)[offset], msg->msg_iov[i].iov_base, msg->msg_iov[i].iov_len);</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  offset += msg->msg_iov[i].iov_len;</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  }</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span> <span class="preprocessor">#if LWIP_CHECKSUM_ON_COPY</span></div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  {</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  <span class="comment">/* This can be improved by using LWIP_CHKSUM_COPY() and aggregating the checksum for each IO vector */</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> chksum = ~<a class="code" href="../../d2/d45/inet__chksum_8h.html#ab35967a50418358e194e8f80fdc3c865">inet_chksum_pbuf</a>(chain_buf->p);</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  netbuf_set_chksum(chain_buf, chksum);</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  }</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_CHECKSUM_ON_COPY */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  }</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETIF_TX_SINGLE_PBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>  <span class="comment">/* create a chained netbuf from the IO vectors. NOTE: we assemble a pbuf chain</span></div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span> <span class="comment"> manually to avoid having to allocate, chain, and delete a netbuf for each iov */</span></div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>  <span class="keywordflow">for</span> (i = 0; i < msg->msg_iovlen; i++) {</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  <span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p = <a class="code" href="../../d7/d05/group__pbuf.html#gacfcb0a2af918658ba0afe36499c65f47">pbuf_alloc</a>(<a class="code" href="../../d7/d05/group__pbuf.html#ggaee1baa59bb2f85ba575b5a8619ac1ebfa2ded3594a3977f8bf9cf09552be327b5">PBUF_TRANSPORT</a>, 0, <a class="code" href="../../d7/d05/group__pbuf.html#ggab7e0e32fcc292c0d7107721766ed92fbac9b6ba960fdea6f2e8f35c8313b77e4e">PBUF_REF</a>);</div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>  <span class="keywordflow">if</span> (p == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>; <span class="comment">/* let netbuf_delete() cleanup chain_buf */</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>  }</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a> = msg->msg_iov[i].iov_base;</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"iov_len < u16_t"</span>, msg->msg_iov[i].iov_len <= 0xFFFF);</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>  p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> = p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a> = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)msg->msg_iov[i].iov_len;</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="comment">/* netbuf empty, add new pbuf */</span></div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  if (chain_buf->p == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  chain_buf->p = chain_buf->ptr = p;</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <span class="comment">/* add pbuf to existing pbuf chain */</span></div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <a class="code" href="../../d7/d05/group__pbuf.html#ga82429084fe29015509c9b4a072707cd4">pbuf_cat</a>(chain_buf->p, p);</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  }</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  }</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <span class="comment">/* save size of total chain */</span></div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  size = netbuf_len(chain_buf);</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  }</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETIF_TX_SINGLE_PBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  </div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  <span class="comment">/* Dual-stack: Unmap IPv4 mapped IPv6 addresses */</span></div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a1578e34703e86711a7fb7dcc3857004d">IP_IS_V6_VAL</a>(chain_buf->addr) && ip6_addr_isipv4mappedipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&chain_buf->addr))) {</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  unmap_ipv4_mapped_ipv6(ip_2_ip4(&chain_buf->addr), <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&chain_buf->addr));</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(chain_buf->addr, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a>);</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  }</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  </div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  <span class="comment">/* send the data */</span></div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  err = netconn_send(sock->conn, chain_buf);</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  }</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  </div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  <span class="comment">/* deallocated the buffer */</span></div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  netbuf_delete(chain_buf);</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  </div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  <span class="keywordflow">return</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a> ? size : -1);</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  }</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_UDP || LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>));</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP || LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span> }</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  </div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span> lwip_sendto(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size, <span class="keywordtype">int</span> <a class="code" href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">flags</a>,</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>  <span class="keyword">const</span> <span class="keyword">struct</span> sockaddr *to, socklen_t tolen)</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span> {</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> short_size;</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> remote_port;</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>  <span class="keyword">struct </span>netbuf <a class="code" href="../../d9/dd0/structbuf.html">buf</a>;</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>  </div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>  sock = get_socket(s);</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>  }</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>  </div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) == NETCONN_TCP) {</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01139"></a><span class="lineno"> 1139</span>  <span class="keywordflow">return</span> lwip_send(s, data, size, flags);</div>
<div class="line"><a name="l01140"></a><span class="lineno"> 1140</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01141"></a><span class="lineno"> 1141</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(flags);</div>
<div class="line"><a name="l01142"></a><span class="lineno"> 1142</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>));</div>
<div class="line"><a name="l01143"></a><span class="lineno"> 1143</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01144"></a><span class="lineno"> 1144</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01145"></a><span class="lineno"> 1145</span>  }</div>
<div class="line"><a name="l01146"></a><span class="lineno"> 1146</span>  </div>
<div class="line"><a name="l01147"></a><span class="lineno"> 1147</span>  <span class="comment">/* @todo: split into multiple sendto's? */</span></div>
<div class="line"><a name="l01148"></a><span class="lineno"> 1148</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"lwip_sendto: size must fit in u16_t"</span>, size <= 0xffff);</div>
<div class="line"><a name="l01149"></a><span class="lineno"> 1149</span>  short_size = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)size;</div>
<div class="line"><a name="l01150"></a><span class="lineno"> 1150</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"lwip_sendto: invalid address"</span>, (((to == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (tolen == 0)) ||</div>
<div class="line"><a name="l01151"></a><span class="lineno"> 1151</span>  (IS_SOCK_ADDR_LEN_VALID(tolen) &&</div>
<div class="line"><a name="l01152"></a><span class="lineno"> 1152</span>  IS_SOCK_ADDR_TYPE_VALID(to) && IS_SOCK_ADDR_ALIGNED(to))),</div>
<div class="line"><a name="l01153"></a><span class="lineno"> 1153</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(<a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>)); <span class="keywordflow">return</span> -1;);</div>
<div class="line"><a name="l01154"></a><span class="lineno"> 1154</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(tolen);</div>
<div class="line"><a name="l01155"></a><span class="lineno"> 1155</span>  </div>
<div class="line"><a name="l01156"></a><span class="lineno"> 1156</span>  <span class="comment">/* initialize a buffer */</span></div>
<div class="line"><a name="l01157"></a><span class="lineno"> 1157</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>.p = <a class="code" href="../../d9/dd0/structbuf.html">buf</a>.ptr = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01158"></a><span class="lineno"> 1158</span> <span class="preprocessor">#if LWIP_CHECKSUM_ON_COPY</span></div>
<div class="line"><a name="l01159"></a><span class="lineno"> 1159</span>  <a class="code" href="../../d9/dd0/structbuf.html">buf</a>.flags = 0;</div>
<div class="line"><a name="l01160"></a><span class="lineno"> 1160</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_CHECKSUM_ON_COPY */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01161"></a><span class="lineno"> 1161</span>  <span class="keywordflow">if</span> (to) {</div>
<div class="line"><a name="l01162"></a><span class="lineno"> 1162</span>  SOCKADDR_TO_IPADDR_PORT(to, &<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr, remote_port);</div>
<div class="line"><a name="l01163"></a><span class="lineno"> 1163</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01164"></a><span class="lineno"> 1164</span>  remote_port = 0;</div>
<div class="line"><a name="l01165"></a><span class="lineno"> 1165</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a8853fce54b1816dca3af90b48677e673">ip_addr_set_any</a>(NETCONNTYPE_ISIPV6(netconn_type(sock->conn)), &<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr);</div>
<div class="line"><a name="l01166"></a><span class="lineno"> 1166</span>  }</div>
<div class="line"><a name="l01167"></a><span class="lineno"> 1167</span>  netbuf_fromport(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>) = remote_port;</div>
<div class="line"><a name="l01168"></a><span class="lineno"> 1168</span>  </div>
<div class="line"><a name="l01169"></a><span class="lineno"> 1169</span>  </div>
<div class="line"><a name="l01170"></a><span class="lineno"> 1170</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_sendto(%d, data=%p, short_size=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">", flags=0x%x to="</span>,</div>
<div class="line"><a name="l01171"></a><span class="lineno"> 1171</span>  s, data, short_size, flags));</div>
<div class="line"><a name="l01172"></a><span class="lineno"> 1172</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#af7d84bce2fb861a97f3047ecd69ab018">ip_addr_debug_print</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, &<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr);</div>
<div class="line"><a name="l01173"></a><span class="lineno"> 1173</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">" port=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, remote_port));</div>
<div class="line"><a name="l01174"></a><span class="lineno"> 1174</span>  </div>
<div class="line"><a name="l01175"></a><span class="lineno"> 1175</span>  <span class="comment">/* make the buffer point to the data that should be sent */</span></div>
<div class="line"><a name="l01176"></a><span class="lineno"> 1176</span> <span class="preprocessor">#if LWIP_NETIF_TX_SINGLE_PBUF</span></div>
<div class="line"><a name="l01177"></a><span class="lineno"> 1177</span>  <span class="comment">/* Allocate a new netbuf and copy the data into it. */</span></div>
<div class="line"><a name="l01178"></a><span class="lineno"> 1178</span>  <span class="keywordflow">if</span> (netbuf_alloc(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>, short_size) == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01179"></a><span class="lineno"> 1179</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l01180"></a><span class="lineno"> 1180</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01181"></a><span class="lineno"> 1181</span> <span class="preprocessor">#if LWIP_CHECKSUM_ON_COPY</span></div>
<div class="line"><a name="l01182"></a><span class="lineno"> 1182</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_RAW) {</div>
<div class="line"><a name="l01183"></a><span class="lineno"> 1183</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> chksum = LWIP_CHKSUM_COPY(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.p->payload, data, short_size);</div>
<div class="line"><a name="l01184"></a><span class="lineno"> 1184</span>  netbuf_set_chksum(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>, chksum);</div>
<div class="line"><a name="l01185"></a><span class="lineno"> 1185</span>  } <span class="keywordflow">else</span></div>
<div class="line"><a name="l01186"></a><span class="lineno"> 1186</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_CHECKSUM_ON_COPY */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01187"></a><span class="lineno"> 1187</span>  {</div>
<div class="line"><a name="l01188"></a><span class="lineno"> 1188</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.p->payload, data, short_size);</div>
<div class="line"><a name="l01189"></a><span class="lineno"> 1189</span>  }</div>
<div class="line"><a name="l01190"></a><span class="lineno"> 1190</span>  err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l01191"></a><span class="lineno"> 1191</span>  }</div>
<div class="line"><a name="l01192"></a><span class="lineno"> 1192</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETIF_TX_SINGLE_PBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01193"></a><span class="lineno"> 1193</span>  err = netbuf_ref(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>, data, short_size);</div>
<div class="line"><a name="l01194"></a><span class="lineno"> 1194</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETIF_TX_SINGLE_PBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01195"></a><span class="lineno"> 1195</span>  <span class="keywordflow">if</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01196"></a><span class="lineno"> 1196</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l01197"></a><span class="lineno"> 1197</span>  <span class="comment">/* Dual-stack: Unmap IPv4 mapped IPv6 addresses */</span></div>
<div class="line"><a name="l01198"></a><span class="lineno"> 1198</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/df7/ip__addr_8h.html#a1578e34703e86711a7fb7dcc3857004d">IP_IS_V6_VAL</a>(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr) && ip6_addr_isipv4mappedipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr))) {</div>
<div class="line"><a name="l01199"></a><span class="lineno"> 1199</span>  unmap_ipv4_mapped_ipv6(ip_2_ip4(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr), <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr));</div>
<div class="line"><a name="l01200"></a><span class="lineno"> 1200</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(<a class="code" href="../../d9/dd0/structbuf.html">buf</a>.addr, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a>);</div>
<div class="line"><a name="l01201"></a><span class="lineno"> 1201</span>  }</div>
<div class="line"><a name="l01202"></a><span class="lineno"> 1202</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01203"></a><span class="lineno"> 1203</span>  </div>
<div class="line"><a name="l01204"></a><span class="lineno"> 1204</span>  <span class="comment">/* send the data */</span></div>
<div class="line"><a name="l01205"></a><span class="lineno"> 1205</span>  err = netconn_send(sock->conn, &<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l01206"></a><span class="lineno"> 1206</span>  }</div>
<div class="line"><a name="l01207"></a><span class="lineno"> 1207</span>  </div>
<div class="line"><a name="l01208"></a><span class="lineno"> 1208</span>  <span class="comment">/* deallocated the buffer */</span></div>
<div class="line"><a name="l01209"></a><span class="lineno"> 1209</span>  netbuf_free(&<a class="code" href="../../d9/dd0/structbuf.html">buf</a>);</div>
<div class="line"><a name="l01210"></a><span class="lineno"> 1210</span>  </div>
<div class="line"><a name="l01211"></a><span class="lineno"> 1211</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l01212"></a><span class="lineno"> 1212</span>  <span class="keywordflow">return</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a> ? short_size : -1);</div>
<div class="line"><a name="l01213"></a><span class="lineno"> 1213</span> }</div>
<div class="line"><a name="l01214"></a><span class="lineno"> 1214</span>  </div>
<div class="line"><a name="l01215"></a><span class="lineno"> 1215</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01216"></a><span class="lineno"> 1216</span> lwip_socket(<span class="keywordtype">int</span> domain, <span class="keywordtype">int</span> type, <span class="keywordtype">int</span> protocol)</div>
<div class="line"><a name="l01217"></a><span class="lineno"> 1217</span> {</div>
<div class="line"><a name="l01218"></a><span class="lineno"> 1218</span>  <span class="keyword">struct </span>netconn *conn;</div>
<div class="line"><a name="l01219"></a><span class="lineno"> 1219</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l01220"></a><span class="lineno"> 1220</span>  </div>
<div class="line"><a name="l01221"></a><span class="lineno"> 1221</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(domain); <span class="comment">/* @todo: check this */</span></div>
<div class="line"><a name="l01222"></a><span class="lineno"> 1222</span>  </div>
<div class="line"><a name="l01223"></a><span class="lineno"> 1223</span>  <span class="comment">/* create a netconn */</span></div>
<div class="line"><a name="l01224"></a><span class="lineno"> 1224</span>  <span class="keywordflow">switch</span> (type) {</div>
<div class="line"><a name="l01225"></a><span class="lineno"> 1225</span>  <span class="keywordflow">case</span> SOCK_RAW:</div>
<div class="line"><a name="l01226"></a><span class="lineno"> 1226</span>  conn = netconn_new_with_proto_and_callback(DOMAIN_TO_NETCONN_TYPE(domain, NETCONN_RAW),</div>
<div class="line"><a name="l01227"></a><span class="lineno"> 1227</span>  (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>)protocol, event_callback);</div>
<div class="line"><a name="l01228"></a><span class="lineno"> 1228</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_socket(%s, SOCK_RAW, %d) = "</span>,</div>
<div class="line"><a name="l01229"></a><span class="lineno"> 1229</span>  domain == PF_INET ? <span class="stringliteral">"PF_INET"</span> : <span class="stringliteral">"UNKNOWN"</span>, protocol));</div>
<div class="line"><a name="l01230"></a><span class="lineno"> 1230</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01231"></a><span class="lineno"> 1231</span>  <span class="keywordflow">case</span> SOCK_DGRAM:</div>
<div class="line"><a name="l01232"></a><span class="lineno"> 1232</span>  conn = netconn_new_with_callback(DOMAIN_TO_NETCONN_TYPE(domain,</div>
<div class="line"><a name="l01233"></a><span class="lineno"> 1233</span>  ((protocol == IPPROTO_UDPLITE) ? NETCONN_UDPLITE : NETCONN_UDP)) ,</div>
<div class="line"><a name="l01234"></a><span class="lineno"> 1234</span>  event_callback);</div>
<div class="line"><a name="l01235"></a><span class="lineno"> 1235</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_socket(%s, SOCK_DGRAM, %d) = "</span>,</div>
<div class="line"><a name="l01236"></a><span class="lineno"> 1236</span>  domain == PF_INET ? <span class="stringliteral">"PF_INET"</span> : <span class="stringliteral">"UNKNOWN"</span>, protocol));</div>
<div class="line"><a name="l01237"></a><span class="lineno"> 1237</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01238"></a><span class="lineno"> 1238</span>  <span class="keywordflow">case</span> SOCK_STREAM:</div>
<div class="line"><a name="l01239"></a><span class="lineno"> 1239</span>  conn = netconn_new_with_callback(DOMAIN_TO_NETCONN_TYPE(domain, NETCONN_TCP), event_callback);</div>
<div class="line"><a name="l01240"></a><span class="lineno"> 1240</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_socket(%s, SOCK_STREAM, %d) = "</span>,</div>
<div class="line"><a name="l01241"></a><span class="lineno"> 1241</span>  domain == PF_INET ? <span class="stringliteral">"PF_INET"</span> : <span class="stringliteral">"UNKNOWN"</span>, protocol));</div>
<div class="line"><a name="l01242"></a><span class="lineno"> 1242</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01243"></a><span class="lineno"> 1243</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01244"></a><span class="lineno"> 1244</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_socket(%d, %d/UNKNOWN, %d) = -1\n"</span>,</div>
<div class="line"><a name="l01245"></a><span class="lineno"> 1245</span>  domain, type, protocol));</div>
<div class="line"><a name="l01246"></a><span class="lineno"> 1246</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>);</div>
<div class="line"><a name="l01247"></a><span class="lineno"> 1247</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01248"></a><span class="lineno"> 1248</span>  }</div>
<div class="line"><a name="l01249"></a><span class="lineno"> 1249</span>  </div>
<div class="line"><a name="l01250"></a><span class="lineno"> 1250</span>  <span class="keywordflow">if</span> (!conn) {</div>
<div class="line"><a name="l01251"></a><span class="lineno"> 1251</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"-1 / ENOBUFS (could not create netconn)\n"</span>));</div>
<div class="line"><a name="l01252"></a><span class="lineno"> 1252</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#a9e655f47bfd914a1174f281fc31cf63d">ENOBUFS</a>);</div>
<div class="line"><a name="l01253"></a><span class="lineno"> 1253</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01254"></a><span class="lineno"> 1254</span>  }</div>
<div class="line"><a name="l01255"></a><span class="lineno"> 1255</span>  </div>
<div class="line"><a name="l01256"></a><span class="lineno"> 1256</span>  i = alloc_socket(conn, 0);</div>
<div class="line"><a name="l01257"></a><span class="lineno"> 1257</span>  </div>
<div class="line"><a name="l01258"></a><span class="lineno"> 1258</span>  <span class="keywordflow">if</span> (i == -1) {</div>
<div class="line"><a name="l01259"></a><span class="lineno"> 1259</span>  netconn_delete(conn);</div>
<div class="line"><a name="l01260"></a><span class="lineno"> 1260</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#a5554094b3fb4bb6ebeb0157cb3f82a55">ENFILE</a>);</div>
<div class="line"><a name="l01261"></a><span class="lineno"> 1261</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01262"></a><span class="lineno"> 1262</span>  }</div>
<div class="line"><a name="l01263"></a><span class="lineno"> 1263</span>  conn->socket = i;</div>
<div class="line"><a name="l01264"></a><span class="lineno"> 1264</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"%d\n"</span>, i));</div>
<div class="line"><a name="l01265"></a><span class="lineno"> 1265</span>  set_errno(0);</div>
<div class="line"><a name="l01266"></a><span class="lineno"> 1266</span>  <span class="keywordflow">return</span> i;</div>
<div class="line"><a name="l01267"></a><span class="lineno"> 1267</span> }</div>
<div class="line"><a name="l01268"></a><span class="lineno"> 1268</span>  </div>
<div class="line"><a name="l01269"></a><span class="lineno"> 1269</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01270"></a><span class="lineno"> 1270</span> lwip_write(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> size)</div>
<div class="line"><a name="l01271"></a><span class="lineno"> 1271</span> {</div>
<div class="line"><a name="l01272"></a><span class="lineno"> 1272</span>  <span class="keywordflow">return</span> lwip_send(s, data, size, 0);</div>
<div class="line"><a name="l01273"></a><span class="lineno"> 1273</span> }</div>
<div class="line"><a name="l01274"></a><span class="lineno"> 1274</span>  </div>
<div class="line"><a name="l01275"></a><span class="lineno"> 1275</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01276"></a><span class="lineno"> 1276</span> lwip_writev(<span class="keywordtype">int</span> s, <span class="keyword">const</span> <span class="keyword">struct</span> iovec *iov, <span class="keywordtype">int</span> iovcnt)</div>
<div class="line"><a name="l01277"></a><span class="lineno"> 1277</span> {</div>
<div class="line"><a name="l01278"></a><span class="lineno"> 1278</span>  <span class="keyword">struct </span>msghdr msg;</div>
<div class="line"><a name="l01279"></a><span class="lineno"> 1279</span>  </div>
<div class="line"><a name="l01280"></a><span class="lineno"> 1280</span>  msg.msg_name = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01281"></a><span class="lineno"> 1281</span>  msg.msg_namelen = 0;</div>
<div class="line"><a name="l01282"></a><span class="lineno"> 1282</span>  <span class="comment">/* Hack: we have to cast via number to cast from 'const' pointer to non-const.</span></div>
<div class="line"><a name="l01283"></a><span class="lineno"> 1283</span> <span class="comment"> Blame the opengroup standard for this inconsistency. */</span></div>
<div class="line"><a name="l01284"></a><span class="lineno"> 1284</span>  msg.msg_iov = <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a>(<span class="keyword">struct</span> iovec *, iov);</div>
<div class="line"><a name="l01285"></a><span class="lineno"> 1285</span>  msg.msg_iovlen = iovcnt;</div>
<div class="line"><a name="l01286"></a><span class="lineno"> 1286</span>  msg.msg_control = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01287"></a><span class="lineno"> 1287</span>  msg.msg_controllen = 0;</div>
<div class="line"><a name="l01288"></a><span class="lineno"> 1288</span>  msg.msg_flags = 0;</div>
<div class="line"><a name="l01289"></a><span class="lineno"> 1289</span>  <span class="keywordflow">return</span> lwip_sendmsg(s, &msg, 0);</div>
<div class="line"><a name="l01290"></a><span class="lineno"> 1290</span> }</div>
<div class="line"><a name="l01291"></a><span class="lineno"> 1291</span>  </div>
<div class="line"><a name="l01306"></a><span class="lineno"> 1306</span> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01307"></a><span class="lineno"> 1307</span> lwip_selscan(<span class="keywordtype">int</span> maxfdp1, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *readset_in, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *writeset_in, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *exceptset_in,</div>
<div class="line"><a name="l01308"></a><span class="lineno"> 1308</span>  <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *readset_out, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *writeset_out, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *exceptset_out)</div>
<div class="line"><a name="l01309"></a><span class="lineno"> 1309</span> {</div>
<div class="line"><a name="l01310"></a><span class="lineno"> 1310</span>  <span class="keywordtype">int</span> i, nready = 0;</div>
<div class="line"><a name="l01311"></a><span class="lineno"> 1311</span>  <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> lreadset, lwriteset, lexceptset;</div>
<div class="line"><a name="l01312"></a><span class="lineno"> 1312</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01313"></a><span class="lineno"> 1313</span>  <a class="code" href="../../d9/d87/sys_8h.html#a945395fa326214fc9736487242710a90">SYS_ARCH_DECL_PROTECT</a>(lev);</div>
<div class="line"><a name="l01314"></a><span class="lineno"> 1314</span>  </div>
<div class="line"><a name="l01315"></a><span class="lineno"> 1315</span>  <a class="code" href="../../d9/dab/select_8h.html#a23c97009457b26f0e96afc9d0e10876b">FD_ZERO</a>(&lreadset);</div>
<div class="line"><a name="l01316"></a><span class="lineno"> 1316</span>  <a class="code" href="../../d9/dab/select_8h.html#a23c97009457b26f0e96afc9d0e10876b">FD_ZERO</a>(&lwriteset);</div>
<div class="line"><a name="l01317"></a><span class="lineno"> 1317</span>  <a class="code" href="../../d9/dab/select_8h.html#a23c97009457b26f0e96afc9d0e10876b">FD_ZERO</a>(&lexceptset);</div>
<div class="line"><a name="l01318"></a><span class="lineno"> 1318</span>  </div>
<div class="line"><a name="l01319"></a><span class="lineno"> 1319</span>  <span class="comment">/* Go through each socket in each list to count number of sockets which</span></div>
<div class="line"><a name="l01320"></a><span class="lineno"> 1320</span> <span class="comment"> currently match */</span></div>
<div class="line"><a name="l01321"></a><span class="lineno"> 1321</span>  <span class="keywordflow">for</span> (i = <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>; i < maxfdp1; i++) {</div>
<div class="line"><a name="l01322"></a><span class="lineno"> 1322</span>  <span class="comment">/* if this FD is not in the set, continue */</span></div>
<div class="line"><a name="l01323"></a><span class="lineno"> 1323</span>  <span class="keywordflow">if</span> (!(readset_in && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, readset_in)) &&</div>
<div class="line"><a name="l01324"></a><span class="lineno"> 1324</span>  !(writeset_in && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, writeset_in)) &&</div>
<div class="line"><a name="l01325"></a><span class="lineno"> 1325</span>  !(exceptset_in && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, exceptset_in))) {</div>
<div class="line"><a name="l01326"></a><span class="lineno"> 1326</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l01327"></a><span class="lineno"> 1327</span>  }</div>
<div class="line"><a name="l01328"></a><span class="lineno"> 1328</span>  <span class="comment">/* First get the socket's status (protected)... */</span></div>
<div class="line"><a name="l01329"></a><span class="lineno"> 1329</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01330"></a><span class="lineno"> 1330</span>  sock = tryget_socket(i);</div>
<div class="line"><a name="l01331"></a><span class="lineno"> 1331</span>  <span class="keywordflow">if</span> (sock != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01332"></a><span class="lineno"> 1332</span>  <span class="keywordtype">void</span>* lastdata = sock->lastdata;</div>
<div class="line"><a name="l01333"></a><span class="lineno"> 1333</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a> rcvevent = sock->rcvevent;</div>
<div class="line"><a name="l01334"></a><span class="lineno"> 1334</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> sendevent = sock->sendevent;</div>
<div class="line"><a name="l01335"></a><span class="lineno"> 1335</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> errevent = sock->errevent;</div>
<div class="line"><a name="l01336"></a><span class="lineno"> 1336</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01337"></a><span class="lineno"> 1337</span>  </div>
<div class="line"><a name="l01338"></a><span class="lineno"> 1338</span>  <span class="comment">/* ... then examine it: */</span></div>
<div class="line"><a name="l01339"></a><span class="lineno"> 1339</span>  <span class="comment">/* See if netconn of this socket is ready for read */</span></div>
<div class="line"><a name="l01340"></a><span class="lineno"> 1340</span>  <span class="keywordflow">if</span> (readset_in && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, readset_in) && ((lastdata != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) || (rcvevent > 0))) {</div>
<div class="line"><a name="l01341"></a><span class="lineno"> 1341</span>  <a class="code" href="../../d9/dab/select_8h.html#ad97013c4b9982b36a8308917d5c22c52">FD_SET</a>(i, &lreadset);</div>
<div class="line"><a name="l01342"></a><span class="lineno"> 1342</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_selscan: fd=%d ready for reading\n"</span>, i));</div>
<div class="line"><a name="l01343"></a><span class="lineno"> 1343</span>  nready++;</div>
<div class="line"><a name="l01344"></a><span class="lineno"> 1344</span>  }</div>
<div class="line"><a name="l01345"></a><span class="lineno"> 1345</span>  <span class="comment">/* See if netconn of this socket is ready for write */</span></div>
<div class="line"><a name="l01346"></a><span class="lineno"> 1346</span>  <span class="keywordflow">if</span> (writeset_in && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, writeset_in) && (sendevent != 0)) {</div>
<div class="line"><a name="l01347"></a><span class="lineno"> 1347</span>  <a class="code" href="../../d9/dab/select_8h.html#ad97013c4b9982b36a8308917d5c22c52">FD_SET</a>(i, &lwriteset);</div>
<div class="line"><a name="l01348"></a><span class="lineno"> 1348</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_selscan: fd=%d ready for writing\n"</span>, i));</div>
<div class="line"><a name="l01349"></a><span class="lineno"> 1349</span>  nready++;</div>
<div class="line"><a name="l01350"></a><span class="lineno"> 1350</span>  }</div>
<div class="line"><a name="l01351"></a><span class="lineno"> 1351</span>  <span class="comment">/* See if netconn of this socket had an error */</span></div>
<div class="line"><a name="l01352"></a><span class="lineno"> 1352</span>  <span class="keywordflow">if</span> (exceptset_in && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, exceptset_in) && (errevent != 0)) {</div>
<div class="line"><a name="l01353"></a><span class="lineno"> 1353</span>  <a class="code" href="../../d9/dab/select_8h.html#ad97013c4b9982b36a8308917d5c22c52">FD_SET</a>(i, &lexceptset);</div>
<div class="line"><a name="l01354"></a><span class="lineno"> 1354</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_selscan: fd=%d ready for exception\n"</span>, i));</div>
<div class="line"><a name="l01355"></a><span class="lineno"> 1355</span>  nready++;</div>
<div class="line"><a name="l01356"></a><span class="lineno"> 1356</span>  }</div>
<div class="line"><a name="l01357"></a><span class="lineno"> 1357</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01358"></a><span class="lineno"> 1358</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01359"></a><span class="lineno"> 1359</span>  <span class="comment">/* continue on to next FD in list */</span></div>
<div class="line"><a name="l01360"></a><span class="lineno"> 1360</span>  }</div>
<div class="line"><a name="l01361"></a><span class="lineno"> 1361</span>  }</div>
<div class="line"><a name="l01362"></a><span class="lineno"> 1362</span>  <span class="comment">/* copy local sets to the ones provided as arguments */</span></div>
<div class="line"><a name="l01363"></a><span class="lineno"> 1363</span>  *readset_out = lreadset;</div>
<div class="line"><a name="l01364"></a><span class="lineno"> 1364</span>  *writeset_out = lwriteset;</div>
<div class="line"><a name="l01365"></a><span class="lineno"> 1365</span>  *exceptset_out = lexceptset;</div>
<div class="line"><a name="l01366"></a><span class="lineno"> 1366</span>  </div>
<div class="line"><a name="l01367"></a><span class="lineno"> 1367</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"nready >= 0"</span>, nready >= 0);</div>
<div class="line"><a name="l01368"></a><span class="lineno"> 1368</span>  <span class="keywordflow">return</span> nready;</div>
<div class="line"><a name="l01369"></a><span class="lineno"> 1369</span> }</div>
<div class="line"><a name="l01370"></a><span class="lineno"> 1370</span>  </div>
<div class="line"><a name="l01371"></a><span class="lineno"> 1371</span> <span class="keywordtype">int</span> lwip_select(<span class="keywordtype">int</span> maxfdp1, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *readset, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *writeset, <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> *exceptset, <span class="keyword">struct</span> <a class="code" href="../../d1/d1b/structtimeval.html">timeval</a> *timeout) {</div>
<div class="line"><a name="l01372"></a><span class="lineno"> 1372</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> waitres = 0;</div>
<div class="line"><a name="l01373"></a><span class="lineno"> 1373</span>  <span class="keywordtype">int</span> nready;</div>
<div class="line"><a name="l01374"></a><span class="lineno"> 1374</span>  <a class="code" href="../../d5/d99/structfd__set.html">fd_set</a> lreadset, lwriteset, lexceptset;</div>
<div class="line"><a name="l01375"></a><span class="lineno"> 1375</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> msectimeout;</div>
<div class="line"><a name="l01376"></a><span class="lineno"> 1376</span>  <span class="keyword">struct </span>lwip_select_cb select_cb;</div>
<div class="line"><a name="l01377"></a><span class="lineno"> 1377</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l01378"></a><span class="lineno"> 1378</span>  <span class="keywordtype">int</span> maxfdp2;</div>
<div class="line"><a name="l01379"></a><span class="lineno"> 1379</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l01380"></a><span class="lineno"> 1380</span>  <span class="keywordtype">int</span> waited = 0;</div>
<div class="line"><a name="l01381"></a><span class="lineno"> 1381</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01382"></a><span class="lineno"> 1382</span>  <a class="code" href="../../d9/d87/sys_8h.html#a945395fa326214fc9736487242710a90">SYS_ARCH_DECL_PROTECT</a>(lev);</div>
<div class="line"><a name="l01383"></a><span class="lineno"> 1383</span>  </div>
<div class="line"><a name="l01384"></a><span class="lineno"> 1384</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_select(%d, %p, %p, %p, tvsec=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4b1eca99bc81e248c7074ea87fc9ca63">S32_F</a><span class="stringliteral">" tvusec=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4b1eca99bc81e248c7074ea87fc9ca63">S32_F</a><span class="stringliteral">")\n"</span>,</div>
<div class="line"><a name="l01385"></a><span class="lineno"> 1385</span>  maxfdp1, (<span class="keywordtype">void</span> *)readset, (<span class="keywordtype">void</span> *) writeset, (<span class="keywordtype">void</span> *) exceptset,</div>
<div class="line"><a name="l01386"></a><span class="lineno"> 1386</span>  timeout ? (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)timeout-><a class="code" href="../../d1/d1b/structtimeval.html#aef6ddab1064c430758f9f913b7e4a21e">tv_sec</a> : (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)-1,</div>
<div class="line"><a name="l01387"></a><span class="lineno"> 1387</span>  timeout ? (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)timeout-><a class="code" href="../../d1/d1b/structtimeval.html#a810bf8fcd58e255a5c1896d19538b86a">tv_usec</a> : (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a>)-1));</div>
<div class="line"><a name="l01388"></a><span class="lineno"> 1388</span>  </div>
<div class="line"><a name="l01389"></a><span class="lineno"> 1389</span>  <span class="comment">/* Go through each socket in each list to count number of sockets which</span></div>
<div class="line"><a name="l01390"></a><span class="lineno"> 1390</span> <span class="comment"> currently match */</span></div>
<div class="line"><a name="l01391"></a><span class="lineno"> 1391</span>  nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);</div>
<div class="line"><a name="l01392"></a><span class="lineno"> 1392</span>  </div>
<div class="line"><a name="l01393"></a><span class="lineno"> 1393</span>  <span class="comment">/* If we don't have any current events, then suspend if we are supposed to */</span></div>
<div class="line"><a name="l01394"></a><span class="lineno"> 1394</span>  <span class="keywordflow">if</span> (!nready) {</div>
<div class="line"><a name="l01395"></a><span class="lineno"> 1395</span>  <span class="keywordflow">if</span> (timeout && timeout-><a class="code" href="../../d1/d1b/structtimeval.html#aef6ddab1064c430758f9f913b7e4a21e">tv_sec</a> == 0 && timeout-><a class="code" href="../../d1/d1b/structtimeval.html#a810bf8fcd58e255a5c1896d19538b86a">tv_usec</a> == 0) {</div>
<div class="line"><a name="l01396"></a><span class="lineno"> 1396</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_select: no timeout, returning 0\n"</span>));</div>
<div class="line"><a name="l01397"></a><span class="lineno"> 1397</span>  <span class="comment">/* This is OK as the local fdsets are empty and nready is zero,</span></div>
<div class="line"><a name="l01398"></a><span class="lineno"> 1398</span> <span class="comment"> or we would have returned earlier. */</span></div>
<div class="line"><a name="l01399"></a><span class="lineno"> 1399</span>  <span class="keywordflow">goto</span> return_copy_fdsets;</div>
<div class="line"><a name="l01400"></a><span class="lineno"> 1400</span>  }</div>
<div class="line"><a name="l01401"></a><span class="lineno"> 1401</span>  </div>
<div class="line"><a name="l01402"></a><span class="lineno"> 1402</span>  <span class="comment">/* None ready: add our semaphore to list:</span></div>
<div class="line"><a name="l01403"></a><span class="lineno"> 1403</span> <span class="comment"> We don't actually need any dynamic memory. Our entry on the</span></div>
<div class="line"><a name="l01404"></a><span class="lineno"> 1404</span> <span class="comment"> list is only valid while we are in this function, so it's ok</span></div>
<div class="line"><a name="l01405"></a><span class="lineno"> 1405</span> <span class="comment"> to use local variables. */</span></div>
<div class="line"><a name="l01406"></a><span class="lineno"> 1406</span>  </div>
<div class="line"><a name="l01407"></a><span class="lineno"> 1407</span>  select_cb.next = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01408"></a><span class="lineno"> 1408</span>  select_cb.prev = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l01409"></a><span class="lineno"> 1409</span>  select_cb.readset = readset;</div>
<div class="line"><a name="l01410"></a><span class="lineno"> 1410</span>  select_cb.writeset = writeset;</div>
<div class="line"><a name="l01411"></a><span class="lineno"> 1411</span>  select_cb.exceptset = exceptset;</div>
<div class="line"><a name="l01412"></a><span class="lineno"> 1412</span>  select_cb.sem_signalled = 0;</div>
<div class="line"><a name="l01413"></a><span class="lineno"> 1413</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l01414"></a><span class="lineno"> 1414</span>  select_cb.sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l01415"></a><span class="lineno"> 1415</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01416"></a><span class="lineno"> 1416</span>  <span class="keywordflow">if</span> (<a class="code" href="../../da/d3a/group__sys__sem.html#gadb68acad14b34550b9891bc11bbf4e63">sys_sem_new</a>(&select_cb.sem, 0) != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01417"></a><span class="lineno"> 1417</span>  <span class="comment">/* failed to create semaphore */</span></div>
<div class="line"><a name="l01418"></a><span class="lineno"> 1418</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#a6a05c923dad0c1208043e9c20a58c8e5">ENOMEM</a>);</div>
<div class="line"><a name="l01419"></a><span class="lineno"> 1419</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01420"></a><span class="lineno"> 1420</span>  }</div>
<div class="line"><a name="l01421"></a><span class="lineno"> 1421</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01422"></a><span class="lineno"> 1422</span>  </div>
<div class="line"><a name="l01423"></a><span class="lineno"> 1423</span>  <span class="comment">/* Protect the select_cb_list */</span></div>
<div class="line"><a name="l01424"></a><span class="lineno"> 1424</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01425"></a><span class="lineno"> 1425</span>  </div>
<div class="line"><a name="l01426"></a><span class="lineno"> 1426</span>  <span class="comment">/* Put this select_cb on top of list */</span></div>
<div class="line"><a name="l01427"></a><span class="lineno"> 1427</span>  select_cb.next = select_cb_list;</div>
<div class="line"><a name="l01428"></a><span class="lineno"> 1428</span>  <span class="keywordflow">if</span> (select_cb_list != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01429"></a><span class="lineno"> 1429</span>  select_cb_list->prev = &select_cb;</div>
<div class="line"><a name="l01430"></a><span class="lineno"> 1430</span>  }</div>
<div class="line"><a name="l01431"></a><span class="lineno"> 1431</span>  select_cb_list = &select_cb;</div>
<div class="line"><a name="l01432"></a><span class="lineno"> 1432</span>  <span class="comment">/* Increasing this counter tells event_callback that the list has changed. */</span></div>
<div class="line"><a name="l01433"></a><span class="lineno"> 1433</span>  select_cb_ctr++;</div>
<div class="line"><a name="l01434"></a><span class="lineno"> 1434</span>  </div>
<div class="line"><a name="l01435"></a><span class="lineno"> 1435</span>  <span class="comment">/* Now we can safely unprotect */</span></div>
<div class="line"><a name="l01436"></a><span class="lineno"> 1436</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01437"></a><span class="lineno"> 1437</span>  </div>
<div class="line"><a name="l01438"></a><span class="lineno"> 1438</span>  <span class="comment">/* Increase select_waiting for each socket we are interested in */</span></div>
<div class="line"><a name="l01439"></a><span class="lineno"> 1439</span>  maxfdp2 = maxfdp1;</div>
<div class="line"><a name="l01440"></a><span class="lineno"> 1440</span>  <span class="keywordflow">for</span> (i = <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>; i < maxfdp1; i++) {</div>
<div class="line"><a name="l01441"></a><span class="lineno"> 1441</span>  <span class="keywordflow">if</span> ((readset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, readset)) ||</div>
<div class="line"><a name="l01442"></a><span class="lineno"> 1442</span>  (writeset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, writeset)) ||</div>
<div class="line"><a name="l01443"></a><span class="lineno"> 1443</span>  (exceptset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, exceptset))) {</div>
<div class="line"><a name="l01444"></a><span class="lineno"> 1444</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01445"></a><span class="lineno"> 1445</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01446"></a><span class="lineno"> 1446</span>  sock = tryget_socket(i);</div>
<div class="line"><a name="l01447"></a><span class="lineno"> 1447</span>  <span class="keywordflow">if</span> (sock != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01448"></a><span class="lineno"> 1448</span>  sock->select_waiting++;</div>
<div class="line"><a name="l01449"></a><span class="lineno"> 1449</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"sock->select_waiting > 0"</span>, sock->select_waiting > 0);</div>
<div class="line"><a name="l01450"></a><span class="lineno"> 1450</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01451"></a><span class="lineno"> 1451</span>  <span class="comment">/* Not a valid socket */</span></div>
<div class="line"><a name="l01452"></a><span class="lineno"> 1452</span>  nready = -1;</div>
<div class="line"><a name="l01453"></a><span class="lineno"> 1453</span>  maxfdp2 = i;</div>
<div class="line"><a name="l01454"></a><span class="lineno"> 1454</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01455"></a><span class="lineno"> 1455</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01456"></a><span class="lineno"> 1456</span>  }</div>
<div class="line"><a name="l01457"></a><span class="lineno"> 1457</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01458"></a><span class="lineno"> 1458</span>  }</div>
<div class="line"><a name="l01459"></a><span class="lineno"> 1459</span>  }</div>
<div class="line"><a name="l01460"></a><span class="lineno"> 1460</span>  </div>
<div class="line"><a name="l01461"></a><span class="lineno"> 1461</span>  <span class="keywordflow">if</span> (nready >= 0) {</div>
<div class="line"><a name="l01462"></a><span class="lineno"> 1462</span>  <span class="comment">/* Call lwip_selscan again: there could have been events between</span></div>
<div class="line"><a name="l01463"></a><span class="lineno"> 1463</span> <span class="comment"> the last scan (without us on the list) and putting us on the list! */</span></div>
<div class="line"><a name="l01464"></a><span class="lineno"> 1464</span>  nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);</div>
<div class="line"><a name="l01465"></a><span class="lineno"> 1465</span>  <span class="keywordflow">if</span> (!nready) {</div>
<div class="line"><a name="l01466"></a><span class="lineno"> 1466</span>  <span class="comment">/* Still none ready, just wait to be woken */</span></div>
<div class="line"><a name="l01467"></a><span class="lineno"> 1467</span>  <span class="keywordflow">if</span> (timeout == 0) {</div>
<div class="line"><a name="l01468"></a><span class="lineno"> 1468</span>  <span class="comment">/* Wait forever */</span></div>
<div class="line"><a name="l01469"></a><span class="lineno"> 1469</span>  msectimeout = 0;</div>
<div class="line"><a name="l01470"></a><span class="lineno"> 1470</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01471"></a><span class="lineno"> 1471</span>  msectimeout = ((timeout-><a class="code" href="../../d1/d1b/structtimeval.html#aef6ddab1064c430758f9f913b7e4a21e">tv_sec</a> * 1000) + ((timeout-><a class="code" href="../../d1/d1b/structtimeval.html#a810bf8fcd58e255a5c1896d19538b86a">tv_usec</a> + 500)/1000));</div>
<div class="line"><a name="l01472"></a><span class="lineno"> 1472</span>  <span class="keywordflow">if</span> (msectimeout == 0) {</div>
<div class="line"><a name="l01473"></a><span class="lineno"> 1473</span>  <span class="comment">/* Wait 1ms at least (0 means wait forever) */</span></div>
<div class="line"><a name="l01474"></a><span class="lineno"> 1474</span>  msectimeout = 1;</div>
<div class="line"><a name="l01475"></a><span class="lineno"> 1475</span>  }</div>
<div class="line"><a name="l01476"></a><span class="lineno"> 1476</span>  }</div>
<div class="line"><a name="l01477"></a><span class="lineno"> 1477</span>  </div>
<div class="line"><a name="l01478"></a><span class="lineno"> 1478</span>  waitres = <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>(SELECT_SEM_PTR(select_cb.sem), msectimeout);</div>
<div class="line"><a name="l01479"></a><span class="lineno"> 1479</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l01480"></a><span class="lineno"> 1480</span>  waited = 1;</div>
<div class="line"><a name="l01481"></a><span class="lineno"> 1481</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01482"></a><span class="lineno"> 1482</span>  }</div>
<div class="line"><a name="l01483"></a><span class="lineno"> 1483</span>  }</div>
<div class="line"><a name="l01484"></a><span class="lineno"> 1484</span>  </div>
<div class="line"><a name="l01485"></a><span class="lineno"> 1485</span>  <span class="comment">/* Decrease select_waiting for each socket we are interested in */</span></div>
<div class="line"><a name="l01486"></a><span class="lineno"> 1486</span>  <span class="keywordflow">for</span> (i = <a class="code" href="../../d2/d78/lwipopts_8h.html#ad0197c845fbb44c920b272f0fef3b57e">LWIP_SOCKET_OFFSET</a>; i < maxfdp2; i++) {</div>
<div class="line"><a name="l01487"></a><span class="lineno"> 1487</span>  <span class="keywordflow">if</span> ((readset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, readset)) ||</div>
<div class="line"><a name="l01488"></a><span class="lineno"> 1488</span>  (writeset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, writeset)) ||</div>
<div class="line"><a name="l01489"></a><span class="lineno"> 1489</span>  (exceptset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(i, exceptset))) {</div>
<div class="line"><a name="l01490"></a><span class="lineno"> 1490</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01491"></a><span class="lineno"> 1491</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01492"></a><span class="lineno"> 1492</span>  sock = tryget_socket(i);</div>
<div class="line"><a name="l01493"></a><span class="lineno"> 1493</span>  <span class="keywordflow">if</span> (sock != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01494"></a><span class="lineno"> 1494</span>  <span class="comment">/* for now, handle select_waiting==0... */</span></div>
<div class="line"><a name="l01495"></a><span class="lineno"> 1495</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"sock->select_waiting > 0"</span>, sock->select_waiting > 0);</div>
<div class="line"><a name="l01496"></a><span class="lineno"> 1496</span>  <span class="keywordflow">if</span> (sock->select_waiting > 0) {</div>
<div class="line"><a name="l01497"></a><span class="lineno"> 1497</span>  sock->select_waiting--;</div>
<div class="line"><a name="l01498"></a><span class="lineno"> 1498</span>  }</div>
<div class="line"><a name="l01499"></a><span class="lineno"> 1499</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01500"></a><span class="lineno"> 1500</span>  <span class="comment">/* Not a valid socket */</span></div>
<div class="line"><a name="l01501"></a><span class="lineno"> 1501</span>  nready = -1;</div>
<div class="line"><a name="l01502"></a><span class="lineno"> 1502</span>  }</div>
<div class="line"><a name="l01503"></a><span class="lineno"> 1503</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01504"></a><span class="lineno"> 1504</span>  }</div>
<div class="line"><a name="l01505"></a><span class="lineno"> 1505</span>  }</div>
<div class="line"><a name="l01506"></a><span class="lineno"> 1506</span>  <span class="comment">/* Take us off the list */</span></div>
<div class="line"><a name="l01507"></a><span class="lineno"> 1507</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01508"></a><span class="lineno"> 1508</span>  <span class="keywordflow">if</span> (select_cb.next != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01509"></a><span class="lineno"> 1509</span>  select_cb.next->prev = select_cb.prev;</div>
<div class="line"><a name="l01510"></a><span class="lineno"> 1510</span>  }</div>
<div class="line"><a name="l01511"></a><span class="lineno"> 1511</span>  <span class="keywordflow">if</span> (select_cb_list == &select_cb) {</div>
<div class="line"><a name="l01512"></a><span class="lineno"> 1512</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"select_cb.prev == NULL"</span>, select_cb.prev == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01513"></a><span class="lineno"> 1513</span>  select_cb_list = select_cb.next;</div>
<div class="line"><a name="l01514"></a><span class="lineno"> 1514</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01515"></a><span class="lineno"> 1515</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"select_cb.prev != NULL"</span>, select_cb.prev != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01516"></a><span class="lineno"> 1516</span>  select_cb.prev->next = select_cb.next;</div>
<div class="line"><a name="l01517"></a><span class="lineno"> 1517</span>  }</div>
<div class="line"><a name="l01518"></a><span class="lineno"> 1518</span>  <span class="comment">/* Increasing this counter tells event_callback that the list has changed. */</span></div>
<div class="line"><a name="l01519"></a><span class="lineno"> 1519</span>  select_cb_ctr++;</div>
<div class="line"><a name="l01520"></a><span class="lineno"> 1520</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01521"></a><span class="lineno"> 1521</span>  </div>
<div class="line"><a name="l01522"></a><span class="lineno"> 1522</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l01523"></a><span class="lineno"> 1523</span>  <span class="keywordflow">if</span> (select_cb.sem_signalled && (!waited || (waitres == <a class="code" href="../../d9/d87/sys_8h.html#ac1495030a8ab5e1f3c89e42ced527c5b">SYS_ARCH_TIMEOUT</a>))) {</div>
<div class="line"><a name="l01524"></a><span class="lineno"> 1524</span>  <span class="comment">/* don't leave the thread-local semaphore signalled */</span></div>
<div class="line"><a name="l01525"></a><span class="lineno"> 1525</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>(select_cb.sem, 1);</div>
<div class="line"><a name="l01526"></a><span class="lineno"> 1526</span>  }</div>
<div class="line"><a name="l01527"></a><span class="lineno"> 1527</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01528"></a><span class="lineno"> 1528</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a>(&select_cb.sem);</div>
<div class="line"><a name="l01529"></a><span class="lineno"> 1529</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETCONN_SEM_PER_THREAD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01530"></a><span class="lineno"> 1530</span>  </div>
<div class="line"><a name="l01531"></a><span class="lineno"> 1531</span>  <span class="keywordflow">if</span> (nready < 0) {</div>
<div class="line"><a name="l01532"></a><span class="lineno"> 1532</span>  <span class="comment">/* This happens when a socket got closed while waiting */</span></div>
<div class="line"><a name="l01533"></a><span class="lineno"> 1533</span>  set_errno(<a class="code" href="../../d4/d36/sys_2errno_8h.html#ac54507d66b43ad12f9356257323c0018">EBADF</a>);</div>
<div class="line"><a name="l01534"></a><span class="lineno"> 1534</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01535"></a><span class="lineno"> 1535</span>  }</div>
<div class="line"><a name="l01536"></a><span class="lineno"> 1536</span>  </div>
<div class="line"><a name="l01537"></a><span class="lineno"> 1537</span>  <span class="keywordflow">if</span> (waitres == <a class="code" href="../../d9/d87/sys_8h.html#ac1495030a8ab5e1f3c89e42ced527c5b">SYS_ARCH_TIMEOUT</a>) {</div>
<div class="line"><a name="l01538"></a><span class="lineno"> 1538</span>  <span class="comment">/* Timeout */</span></div>
<div class="line"><a name="l01539"></a><span class="lineno"> 1539</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_select: timeout expired\n"</span>));</div>
<div class="line"><a name="l01540"></a><span class="lineno"> 1540</span>  <span class="comment">/* This is OK as the local fdsets are empty and nready is zero,</span></div>
<div class="line"><a name="l01541"></a><span class="lineno"> 1541</span> <span class="comment"> or we would have returned earlier. */</span></div>
<div class="line"><a name="l01542"></a><span class="lineno"> 1542</span>  <span class="keywordflow">goto</span> return_copy_fdsets;</div>
<div class="line"><a name="l01543"></a><span class="lineno"> 1543</span>  }</div>
<div class="line"><a name="l01544"></a><span class="lineno"> 1544</span>  </div>
<div class="line"><a name="l01545"></a><span class="lineno"> 1545</span>  <span class="comment">/* See what's set */</span></div>
<div class="line"><a name="l01546"></a><span class="lineno"> 1546</span>  nready = lwip_selscan(maxfdp1, readset, writeset, exceptset, &lreadset, &lwriteset, &lexceptset);</div>
<div class="line"><a name="l01547"></a><span class="lineno"> 1547</span>  }</div>
<div class="line"><a name="l01548"></a><span class="lineno"> 1548</span>  </div>
<div class="line"><a name="l01549"></a><span class="lineno"> 1549</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_select: nready=%d\n"</span>, nready));</div>
<div class="line"><a name="l01550"></a><span class="lineno"> 1550</span> return_copy_fdsets:</div>
<div class="line"><a name="l01551"></a><span class="lineno"> 1551</span>  set_errno(0);</div>
<div class="line"><a name="l01552"></a><span class="lineno"> 1552</span>  <span class="keywordflow">if</span> (readset) {</div>
<div class="line"><a name="l01553"></a><span class="lineno"> 1553</span>  *readset = lreadset;</div>
<div class="line"><a name="l01554"></a><span class="lineno"> 1554</span>  }</div>
<div class="line"><a name="l01555"></a><span class="lineno"> 1555</span>  <span class="keywordflow">if</span> (writeset) {</div>
<div class="line"><a name="l01556"></a><span class="lineno"> 1556</span>  *writeset = lwriteset;</div>
<div class="line"><a name="l01557"></a><span class="lineno"> 1557</span>  }</div>
<div class="line"><a name="l01558"></a><span class="lineno"> 1558</span>  <span class="keywordflow">if</span> (exceptset) {</div>
<div class="line"><a name="l01559"></a><span class="lineno"> 1559</span>  *exceptset = lexceptset;</div>
<div class="line"><a name="l01560"></a><span class="lineno"> 1560</span>  }</div>
<div class="line"><a name="l01561"></a><span class="lineno"> 1561</span>  <span class="keywordflow">return</span> nready;</div>
<div class="line"><a name="l01562"></a><span class="lineno"> 1562</span> }</div>
<div class="line"><a name="l01563"></a><span class="lineno"> 1563</span>  </div>
<div class="line"><a name="l01568"></a><span class="lineno"> 1568</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01569"></a><span class="lineno"> 1569</span> event_callback(<span class="keyword">struct</span> netconn *conn, <span class="keyword">enum</span> netconn_evt evt, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len)</div>
<div class="line"><a name="l01570"></a><span class="lineno"> 1570</span> {</div>
<div class="line"><a name="l01571"></a><span class="lineno"> 1571</span>  <span class="keywordtype">int</span> s;</div>
<div class="line"><a name="l01572"></a><span class="lineno"> 1572</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01573"></a><span class="lineno"> 1573</span>  <span class="keyword">struct </span>lwip_select_cb *scb;</div>
<div class="line"><a name="l01574"></a><span class="lineno"> 1574</span>  <span class="keywordtype">int</span> last_select_cb_ctr;</div>
<div class="line"><a name="l01575"></a><span class="lineno"> 1575</span>  <a class="code" href="../../d9/d87/sys_8h.html#a945395fa326214fc9736487242710a90">SYS_ARCH_DECL_PROTECT</a>(lev);</div>
<div class="line"><a name="l01576"></a><span class="lineno"> 1576</span>  </div>
<div class="line"><a name="l01577"></a><span class="lineno"> 1577</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a>(len);</div>
<div class="line"><a name="l01578"></a><span class="lineno"> 1578</span>  </div>
<div class="line"><a name="l01579"></a><span class="lineno"> 1579</span>  <span class="comment">/* Get socket */</span></div>
<div class="line"><a name="l01580"></a><span class="lineno"> 1580</span>  <span class="keywordflow">if</span> (conn) {</div>
<div class="line"><a name="l01581"></a><span class="lineno"> 1581</span>  s = conn->socket;</div>
<div class="line"><a name="l01582"></a><span class="lineno"> 1582</span>  <span class="keywordflow">if</span> (s < 0) {</div>
<div class="line"><a name="l01583"></a><span class="lineno"> 1583</span>  <span class="comment">/* Data comes in right away after an accept, even though</span></div>
<div class="line"><a name="l01584"></a><span class="lineno"> 1584</span> <span class="comment"> * the server task might not have created a new socket yet.</span></div>
<div class="line"><a name="l01585"></a><span class="lineno"> 1585</span> <span class="comment"> * Just count down (or up) if that's the case and we</span></div>
<div class="line"><a name="l01586"></a><span class="lineno"> 1586</span> <span class="comment"> * will use the data later. Note that only receive events</span></div>
<div class="line"><a name="l01587"></a><span class="lineno"> 1587</span> <span class="comment"> * can happen before the new socket is set up. */</span></div>
<div class="line"><a name="l01588"></a><span class="lineno"> 1588</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01589"></a><span class="lineno"> 1589</span>  <span class="keywordflow">if</span> (conn->socket < 0) {</div>
<div class="line"><a name="l01590"></a><span class="lineno"> 1590</span>  <span class="keywordflow">if</span> (evt == NETCONN_EVT_RCVPLUS) {</div>
<div class="line"><a name="l01591"></a><span class="lineno"> 1591</span>  conn->socket--;</div>
<div class="line"><a name="l01592"></a><span class="lineno"> 1592</span>  }</div>
<div class="line"><a name="l01593"></a><span class="lineno"> 1593</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01594"></a><span class="lineno"> 1594</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01595"></a><span class="lineno"> 1595</span>  }</div>
<div class="line"><a name="l01596"></a><span class="lineno"> 1596</span>  s = conn->socket;</div>
<div class="line"><a name="l01597"></a><span class="lineno"> 1597</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01598"></a><span class="lineno"> 1598</span>  }</div>
<div class="line"><a name="l01599"></a><span class="lineno"> 1599</span>  </div>
<div class="line"><a name="l01600"></a><span class="lineno"> 1600</span>  sock = get_socket(s);</div>
<div class="line"><a name="l01601"></a><span class="lineno"> 1601</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l01602"></a><span class="lineno"> 1602</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01603"></a><span class="lineno"> 1603</span>  }</div>
<div class="line"><a name="l01604"></a><span class="lineno"> 1604</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01605"></a><span class="lineno"> 1605</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01606"></a><span class="lineno"> 1606</span>  }</div>
<div class="line"><a name="l01607"></a><span class="lineno"> 1607</span>  </div>
<div class="line"><a name="l01608"></a><span class="lineno"> 1608</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01609"></a><span class="lineno"> 1609</span>  <span class="comment">/* Set event as required */</span></div>
<div class="line"><a name="l01610"></a><span class="lineno"> 1610</span>  <span class="keywordflow">switch</span> (evt) {</div>
<div class="line"><a name="l01611"></a><span class="lineno"> 1611</span>  <span class="keywordflow">case</span> NETCONN_EVT_RCVPLUS:</div>
<div class="line"><a name="l01612"></a><span class="lineno"> 1612</span>  sock->rcvevent++;</div>
<div class="line"><a name="l01613"></a><span class="lineno"> 1613</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01614"></a><span class="lineno"> 1614</span>  <span class="keywordflow">case</span> NETCONN_EVT_RCVMINUS:</div>
<div class="line"><a name="l01615"></a><span class="lineno"> 1615</span>  sock->rcvevent--;</div>
<div class="line"><a name="l01616"></a><span class="lineno"> 1616</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01617"></a><span class="lineno"> 1617</span>  <span class="keywordflow">case</span> NETCONN_EVT_SENDPLUS:</div>
<div class="line"><a name="l01618"></a><span class="lineno"> 1618</span>  sock->sendevent = 1;</div>
<div class="line"><a name="l01619"></a><span class="lineno"> 1619</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01620"></a><span class="lineno"> 1620</span>  <span class="keywordflow">case</span> NETCONN_EVT_SENDMINUS:</div>
<div class="line"><a name="l01621"></a><span class="lineno"> 1621</span>  sock->sendevent = 0;</div>
<div class="line"><a name="l01622"></a><span class="lineno"> 1622</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01623"></a><span class="lineno"> 1623</span>  <span class="keywordflow">case</span> NETCONN_EVT_ERROR:</div>
<div class="line"><a name="l01624"></a><span class="lineno"> 1624</span>  sock->errevent = 1;</div>
<div class="line"><a name="l01625"></a><span class="lineno"> 1625</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01626"></a><span class="lineno"> 1626</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l01627"></a><span class="lineno"> 1627</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"unknown event"</span>, 0);</div>
<div class="line"><a name="l01628"></a><span class="lineno"> 1628</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01629"></a><span class="lineno"> 1629</span>  }</div>
<div class="line"><a name="l01630"></a><span class="lineno"> 1630</span>  </div>
<div class="line"><a name="l01631"></a><span class="lineno"> 1631</span>  <span class="keywordflow">if</span> (sock->select_waiting == 0) {</div>
<div class="line"><a name="l01632"></a><span class="lineno"> 1632</span>  <span class="comment">/* noone is waiting for this socket, no need to check select_cb_list */</span></div>
<div class="line"><a name="l01633"></a><span class="lineno"> 1633</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01634"></a><span class="lineno"> 1634</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01635"></a><span class="lineno"> 1635</span>  }</div>
<div class="line"><a name="l01636"></a><span class="lineno"> 1636</span>  </div>
<div class="line"><a name="l01637"></a><span class="lineno"> 1637</span>  <span class="comment">/* Now decide if anyone is waiting for this socket */</span></div>
<div class="line"><a name="l01638"></a><span class="lineno"> 1638</span>  <span class="comment">/* NOTE: This code goes through the select_cb_list list multiple times</span></div>
<div class="line"><a name="l01639"></a><span class="lineno"> 1639</span> <span class="comment"> ONLY IF a select was actually waiting. We go through the list the number</span></div>
<div class="line"><a name="l01640"></a><span class="lineno"> 1640</span> <span class="comment"> of waiting select calls + 1. This list is expected to be small. */</span></div>
<div class="line"><a name="l01641"></a><span class="lineno"> 1641</span>  </div>
<div class="line"><a name="l01642"></a><span class="lineno"> 1642</span>  <span class="comment">/* At this point, SYS_ARCH is still protected! */</span></div>
<div class="line"><a name="l01643"></a><span class="lineno"> 1643</span> again:</div>
<div class="line"><a name="l01644"></a><span class="lineno"> 1644</span>  <span class="keywordflow">for</span> (scb = select_cb_list; scb != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; scb = scb->next) {</div>
<div class="line"><a name="l01645"></a><span class="lineno"> 1645</span>  <span class="comment">/* remember the state of select_cb_list to detect changes */</span></div>
<div class="line"><a name="l01646"></a><span class="lineno"> 1646</span>  last_select_cb_ctr = select_cb_ctr;</div>
<div class="line"><a name="l01647"></a><span class="lineno"> 1647</span>  <span class="keywordflow">if</span> (scb->sem_signalled == 0) {</div>
<div class="line"><a name="l01648"></a><span class="lineno"> 1648</span>  <span class="comment">/* semaphore not signalled yet */</span></div>
<div class="line"><a name="l01649"></a><span class="lineno"> 1649</span>  <span class="keywordtype">int</span> do_signal = 0;</div>
<div class="line"><a name="l01650"></a><span class="lineno"> 1650</span>  <span class="comment">/* Test this select call for our socket */</span></div>
<div class="line"><a name="l01651"></a><span class="lineno"> 1651</span>  <span class="keywordflow">if</span> (sock->rcvevent > 0) {</div>
<div class="line"><a name="l01652"></a><span class="lineno"> 1652</span>  <span class="keywordflow">if</span> (scb->readset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(s, scb->readset)) {</div>
<div class="line"><a name="l01653"></a><span class="lineno"> 1653</span>  do_signal = 1;</div>
<div class="line"><a name="l01654"></a><span class="lineno"> 1654</span>  }</div>
<div class="line"><a name="l01655"></a><span class="lineno"> 1655</span>  }</div>
<div class="line"><a name="l01656"></a><span class="lineno"> 1656</span>  <span class="keywordflow">if</span> (sock->sendevent != 0) {</div>
<div class="line"><a name="l01657"></a><span class="lineno"> 1657</span>  <span class="keywordflow">if</span> (!do_signal && scb->writeset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(s, scb->writeset)) {</div>
<div class="line"><a name="l01658"></a><span class="lineno"> 1658</span>  do_signal = 1;</div>
<div class="line"><a name="l01659"></a><span class="lineno"> 1659</span>  }</div>
<div class="line"><a name="l01660"></a><span class="lineno"> 1660</span>  }</div>
<div class="line"><a name="l01661"></a><span class="lineno"> 1661</span>  <span class="keywordflow">if</span> (sock->errevent != 0) {</div>
<div class="line"><a name="l01662"></a><span class="lineno"> 1662</span>  <span class="keywordflow">if</span> (!do_signal && scb->exceptset && <a class="code" href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a>(s, scb->exceptset)) {</div>
<div class="line"><a name="l01663"></a><span class="lineno"> 1663</span>  do_signal = 1;</div>
<div class="line"><a name="l01664"></a><span class="lineno"> 1664</span>  }</div>
<div class="line"><a name="l01665"></a><span class="lineno"> 1665</span>  }</div>
<div class="line"><a name="l01666"></a><span class="lineno"> 1666</span>  <span class="keywordflow">if</span> (do_signal) {</div>
<div class="line"><a name="l01667"></a><span class="lineno"> 1667</span>  scb->sem_signalled = 1;</div>
<div class="line"><a name="l01668"></a><span class="lineno"> 1668</span>  <span class="comment">/* Don't call SYS_ARCH_UNPROTECT() before signaling the semaphore, as this might</span></div>
<div class="line"><a name="l01669"></a><span class="lineno"> 1669</span> <span class="comment"> lead to the select thread taking itself off the list, invalidating the semaphore. */</span></div>
<div class="line"><a name="l01670"></a><span class="lineno"> 1670</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>(SELECT_SEM_PTR(scb->sem));</div>
<div class="line"><a name="l01671"></a><span class="lineno"> 1671</span>  }</div>
<div class="line"><a name="l01672"></a><span class="lineno"> 1672</span>  }</div>
<div class="line"><a name="l01673"></a><span class="lineno"> 1673</span>  <span class="comment">/* unlock interrupts with each step */</span></div>
<div class="line"><a name="l01674"></a><span class="lineno"> 1674</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01675"></a><span class="lineno"> 1675</span>  <span class="comment">/* this makes sure interrupt protection time is short */</span></div>
<div class="line"><a name="l01676"></a><span class="lineno"> 1676</span>  <a class="code" href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a>(lev);</div>
<div class="line"><a name="l01677"></a><span class="lineno"> 1677</span>  <span class="keywordflow">if</span> (last_select_cb_ctr != select_cb_ctr) {</div>
<div class="line"><a name="l01678"></a><span class="lineno"> 1678</span>  <span class="comment">/* someone has changed select_cb_list, restart at the beginning */</span></div>
<div class="line"><a name="l01679"></a><span class="lineno"> 1679</span>  <span class="keywordflow">goto</span> again;</div>
<div class="line"><a name="l01680"></a><span class="lineno"> 1680</span>  }</div>
<div class="line"><a name="l01681"></a><span class="lineno"> 1681</span>  }</div>
<div class="line"><a name="l01682"></a><span class="lineno"> 1682</span>  <a class="code" href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a>(lev);</div>
<div class="line"><a name="l01683"></a><span class="lineno"> 1683</span> }</div>
<div class="line"><a name="l01684"></a><span class="lineno"> 1684</span>  </div>
<div class="line"><a name="l01688"></a><span class="lineno"> 1688</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01689"></a><span class="lineno"> 1689</span> lwip_shutdown(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> how)</div>
<div class="line"><a name="l01690"></a><span class="lineno"> 1690</span> {</div>
<div class="line"><a name="l01691"></a><span class="lineno"> 1691</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01692"></a><span class="lineno"> 1692</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l01693"></a><span class="lineno"> 1693</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> shut_rx = 0, shut_tx = 0;</div>
<div class="line"><a name="l01694"></a><span class="lineno"> 1694</span>  </div>
<div class="line"><a name="l01695"></a><span class="lineno"> 1695</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_shutdown(%d, how=%d)\n"</span>, s, how));</div>
<div class="line"><a name="l01696"></a><span class="lineno"> 1696</span>  </div>
<div class="line"><a name="l01697"></a><span class="lineno"> 1697</span>  sock = get_socket(s);</div>
<div class="line"><a name="l01698"></a><span class="lineno"> 1698</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l01699"></a><span class="lineno"> 1699</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01700"></a><span class="lineno"> 1700</span>  }</div>
<div class="line"><a name="l01701"></a><span class="lineno"> 1701</span>  </div>
<div class="line"><a name="l01702"></a><span class="lineno"> 1702</span>  <span class="keywordflow">if</span> (sock->conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l01703"></a><span class="lineno"> 1703</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_TCP) {</div>
<div class="line"><a name="l01704"></a><span class="lineno"> 1704</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a4b807895c74cea4d0302bf27725d4b9d">EOPNOTSUPP</a>);</div>
<div class="line"><a name="l01705"></a><span class="lineno"> 1705</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01706"></a><span class="lineno"> 1706</span>  }</div>
<div class="line"><a name="l01707"></a><span class="lineno"> 1707</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01708"></a><span class="lineno"> 1708</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#af23e48762a0676f49d480db91cfd5e4b">ENOTCONN</a>);</div>
<div class="line"><a name="l01709"></a><span class="lineno"> 1709</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01710"></a><span class="lineno"> 1710</span>  }</div>
<div class="line"><a name="l01711"></a><span class="lineno"> 1711</span>  </div>
<div class="line"><a name="l01712"></a><span class="lineno"> 1712</span>  <span class="keywordflow">if</span> (how == SHUT_RD) {</div>
<div class="line"><a name="l01713"></a><span class="lineno"> 1713</span>  shut_rx = 1;</div>
<div class="line"><a name="l01714"></a><span class="lineno"> 1714</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (how == SHUT_WR) {</div>
<div class="line"><a name="l01715"></a><span class="lineno"> 1715</span>  shut_tx = 1;</div>
<div class="line"><a name="l01716"></a><span class="lineno"> 1716</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (how == SHUT_RDWR) {</div>
<div class="line"><a name="l01717"></a><span class="lineno"> 1717</span>  shut_rx = 1;</div>
<div class="line"><a name="l01718"></a><span class="lineno"> 1718</span>  shut_tx = 1;</div>
<div class="line"><a name="l01719"></a><span class="lineno"> 1719</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01720"></a><span class="lineno"> 1720</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>);</div>
<div class="line"><a name="l01721"></a><span class="lineno"> 1721</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01722"></a><span class="lineno"> 1722</span>  }</div>
<div class="line"><a name="l01723"></a><span class="lineno"> 1723</span>  err = netconn_shutdown(sock->conn, shut_rx, shut_tx);</div>
<div class="line"><a name="l01724"></a><span class="lineno"> 1724</span>  </div>
<div class="line"><a name="l01725"></a><span class="lineno"> 1725</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l01726"></a><span class="lineno"> 1726</span>  <span class="keywordflow">return</span> (err == <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a> ? 0 : -1);</div>
<div class="line"><a name="l01727"></a><span class="lineno"> 1727</span> }</div>
<div class="line"><a name="l01728"></a><span class="lineno"> 1728</span>  </div>
<div class="line"><a name="l01729"></a><span class="lineno"> 1729</span> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01730"></a><span class="lineno"> 1730</span> lwip_getaddrname(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t *namelen, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> local)</div>
<div class="line"><a name="l01731"></a><span class="lineno"> 1731</span> {</div>
<div class="line"><a name="l01732"></a><span class="lineno"> 1732</span>  <span class="keyword">struct </span>lwip_sock *sock;</div>
<div class="line"><a name="l01733"></a><span class="lineno"> 1733</span>  <span class="keyword">union </span>sockaddr_aligned saddr;</div>
<div class="line"><a name="l01734"></a><span class="lineno"> 1734</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> naddr;</div>
<div class="line"><a name="l01735"></a><span class="lineno"> 1735</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port;</div>
<div class="line"><a name="l01736"></a><span class="lineno"> 1736</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l01737"></a><span class="lineno"> 1737</span>  </div>
<div class="line"><a name="l01738"></a><span class="lineno"> 1738</span>  sock = get_socket(s);</div>
<div class="line"><a name="l01739"></a><span class="lineno"> 1739</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l01740"></a><span class="lineno"> 1740</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01741"></a><span class="lineno"> 1741</span>  }</div>
<div class="line"><a name="l01742"></a><span class="lineno"> 1742</span>  </div>
<div class="line"><a name="l01743"></a><span class="lineno"> 1743</span>  <span class="comment">/* get the IP address and port */</span></div>
<div class="line"><a name="l01744"></a><span class="lineno"> 1744</span>  err = netconn_getaddr(sock->conn, &naddr, &port, local);</div>
<div class="line"><a name="l01745"></a><span class="lineno"> 1745</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01746"></a><span class="lineno"> 1746</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l01747"></a><span class="lineno"> 1747</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01748"></a><span class="lineno"> 1748</span>  }</div>
<div class="line"><a name="l01749"></a><span class="lineno"> 1749</span>  </div>
<div class="line"><a name="l01750"></a><span class="lineno"> 1750</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_IPV6</span></div>
<div class="line"><a name="l01751"></a><span class="lineno"> 1751</span>  <span class="comment">/* Dual-stack: Map IPv4 addresses to IPv4 mapped IPv6 */</span></div>
<div class="line"><a name="l01752"></a><span class="lineno"> 1752</span>  <span class="keywordflow">if</span> (NETCONNTYPE_ISIPV6(netconn_type(sock->conn)) &&</div>
<div class="line"><a name="l01753"></a><span class="lineno"> 1753</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#ab1a059f07bd9c50aa58447d963b823a1">IP_IS_V4_VAL</a>(naddr)) {</div>
<div class="line"><a name="l01754"></a><span class="lineno"> 1754</span>  ip4_2_ipv4_mapped_ipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&naddr), ip_2_ip4(&naddr));</div>
<div class="line"><a name="l01755"></a><span class="lineno"> 1755</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a>(naddr, <a class="code" href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02">IPADDR_TYPE_V6</a>);</div>
<div class="line"><a name="l01756"></a><span class="lineno"> 1756</span>  }</div>
<div class="line"><a name="l01757"></a><span class="lineno"> 1757</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01758"></a><span class="lineno"> 1758</span>  </div>
<div class="line"><a name="l01759"></a><span class="lineno"> 1759</span>  IPADDR_PORT_TO_SOCKADDR(&saddr, &naddr, port);</div>
<div class="line"><a name="l01760"></a><span class="lineno"> 1760</span>  </div>
<div class="line"><a name="l01761"></a><span class="lineno"> 1761</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getaddrname(%d, addr="</span>, s));</div>
<div class="line"><a name="l01762"></a><span class="lineno"> 1762</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#ac3d7eec8027db2203117e6f30df8fba5">ip_addr_debug_print_val</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, naddr);</div>
<div class="line"><a name="l01763"></a><span class="lineno"> 1763</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">" port=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">")\n"</span>, port));</div>
<div class="line"><a name="l01764"></a><span class="lineno"> 1764</span>  </div>
<div class="line"><a name="l01765"></a><span class="lineno"> 1765</span>  <span class="keywordflow">if</span> (*namelen > saddr.sa.sa_len) {</div>
<div class="line"><a name="l01766"></a><span class="lineno"> 1766</span>  *namelen = saddr.sa.sa_len;</div>
<div class="line"><a name="l01767"></a><span class="lineno"> 1767</span>  }</div>
<div class="line"><a name="l01768"></a><span class="lineno"> 1768</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, &saddr, *namelen);</div>
<div class="line"><a name="l01769"></a><span class="lineno"> 1769</span>  </div>
<div class="line"><a name="l01770"></a><span class="lineno"> 1770</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l01771"></a><span class="lineno"> 1771</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l01772"></a><span class="lineno"> 1772</span> }</div>
<div class="line"><a name="l01773"></a><span class="lineno"> 1773</span>  </div>
<div class="line"><a name="l01774"></a><span class="lineno"> 1774</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01775"></a><span class="lineno"> 1775</span> lwip_getpeername(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t *namelen)</div>
<div class="line"><a name="l01776"></a><span class="lineno"> 1776</span> {</div>
<div class="line"><a name="l01777"></a><span class="lineno"> 1777</span>  <span class="keywordflow">return</span> lwip_getaddrname(s, <a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, namelen, 0);</div>
<div class="line"><a name="l01778"></a><span class="lineno"> 1778</span> }</div>
<div class="line"><a name="l01779"></a><span class="lineno"> 1779</span>  </div>
<div class="line"><a name="l01780"></a><span class="lineno"> 1780</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01781"></a><span class="lineno"> 1781</span> lwip_getsockname(<span class="keywordtype">int</span> s, <span class="keyword">struct</span> sockaddr *<a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, socklen_t *namelen)</div>
<div class="line"><a name="l01782"></a><span class="lineno"> 1782</span> {</div>
<div class="line"><a name="l01783"></a><span class="lineno"> 1783</span>  <span class="keywordflow">return</span> lwip_getaddrname(s, <a class="code" href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a>, namelen, 1);</div>
<div class="line"><a name="l01784"></a><span class="lineno"> 1784</span> }</div>
<div class="line"><a name="l01785"></a><span class="lineno"> 1785</span>  </div>
<div class="line"><a name="l01786"></a><span class="lineno"> 1786</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l01787"></a><span class="lineno"> 1787</span> lwip_getsockopt(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keywordtype">void</span> *optval, socklen_t *optlen)</div>
<div class="line"><a name="l01788"></a><span class="lineno"> 1788</span> {</div>
<div class="line"><a name="l01789"></a><span class="lineno"> 1789</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> err;</div>
<div class="line"><a name="l01790"></a><span class="lineno"> 1790</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l01791"></a><span class="lineno"> 1791</span> <span class="preprocessor">#if !LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01792"></a><span class="lineno"> 1792</span>  LWIP_SETGETSOCKOPT_DATA_VAR_DECLARE(data);</div>
<div class="line"><a name="l01793"></a><span class="lineno"> 1793</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01794"></a><span class="lineno"> 1794</span>  </div>
<div class="line"><a name="l01795"></a><span class="lineno"> 1795</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l01796"></a><span class="lineno"> 1796</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01797"></a><span class="lineno"> 1797</span>  }</div>
<div class="line"><a name="l01798"></a><span class="lineno"> 1798</span>  </div>
<div class="line"><a name="l01799"></a><span class="lineno"> 1799</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == optval) || (<a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == optlen)) {</div>
<div class="line"><a name="l01800"></a><span class="lineno"> 1800</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a3f317946e043623f9d6b93dbf60e6316">EFAULT</a>);</div>
<div class="line"><a name="l01801"></a><span class="lineno"> 1801</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01802"></a><span class="lineno"> 1802</span>  }</div>
<div class="line"><a name="l01803"></a><span class="lineno"> 1803</span>  </div>
<div class="line"><a name="l01804"></a><span class="lineno"> 1804</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01805"></a><span class="lineno"> 1805</span>  <span class="comment">/* core-locking can just call the -impl function */</span></div>
<div class="line"><a name="l01806"></a><span class="lineno"> 1806</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01807"></a><span class="lineno"> 1807</span>  err = lwip_getsockopt_impl(s, level, optname, optval, optlen);</div>
<div class="line"><a name="l01808"></a><span class="lineno"> 1808</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l01809"></a><span class="lineno"> 1809</span>  </div>
<div class="line"><a name="l01810"></a><span class="lineno"> 1810</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01811"></a><span class="lineno"> 1811</span>  </div>
<div class="line"><a name="l01812"></a><span class="lineno"> 1812</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l01813"></a><span class="lineno"> 1813</span>  <span class="comment">/* MPU_COMPATIBLE copies the optval data, so check for max size here */</span></div>
<div class="line"><a name="l01814"></a><span class="lineno"> 1814</span>  <span class="keywordflow">if</span> (*optlen > LWIP_SETGETSOCKOPT_MAXOPTLEN) {</div>
<div class="line"><a name="l01815"></a><span class="lineno"> 1815</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a9e655f47bfd914a1174f281fc31cf63d">ENOBUFS</a>);</div>
<div class="line"><a name="l01816"></a><span class="lineno"> 1816</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01817"></a><span class="lineno"> 1817</span>  }</div>
<div class="line"><a name="l01818"></a><span class="lineno"> 1818</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01819"></a><span class="lineno"> 1819</span>  </div>
<div class="line"><a name="l01820"></a><span class="lineno"> 1820</span>  LWIP_SETGETSOCKOPT_DATA_VAR_ALLOC(data, sock);</div>
<div class="line"><a name="l01821"></a><span class="lineno"> 1821</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).s = s;</div>
<div class="line"><a name="l01822"></a><span class="lineno"> 1822</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).level = level;</div>
<div class="line"><a name="l01823"></a><span class="lineno"> 1823</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optname = optname;</div>
<div class="line"><a name="l01824"></a><span class="lineno"> 1824</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optlen = *optlen;</div>
<div class="line"><a name="l01825"></a><span class="lineno"> 1825</span> <span class="preprocessor">#if !LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l01826"></a><span class="lineno"> 1826</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optval.p = optval;</div>
<div class="line"><a name="l01827"></a><span class="lineno"> 1827</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01828"></a><span class="lineno"> 1828</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).err = 0;</div>
<div class="line"><a name="l01829"></a><span class="lineno"> 1829</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l01830"></a><span class="lineno"> 1830</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).completed_sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l01831"></a><span class="lineno"> 1831</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l01832"></a><span class="lineno"> 1832</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).completed_sem = &sock->conn->op_completed;</div>
<div class="line"><a name="l01833"></a><span class="lineno"> 1833</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l01834"></a><span class="lineno"> 1834</span>  err = <a class="code" href="../../d9/db5/tcpip_8h.html#a7eb868a1215472ec38f3f2a04d442b9f">tcpip_callback</a>(lwip_getsockopt_callback, &LWIP_SETGETSOCKOPT_DATA_VAR_REF(data));</div>
<div class="line"><a name="l01835"></a><span class="lineno"> 1835</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l01836"></a><span class="lineno"> 1836</span>  LWIP_SETGETSOCKOPT_DATA_VAR_FREE(data);</div>
<div class="line"><a name="l01837"></a><span class="lineno"> 1837</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l01838"></a><span class="lineno"> 1838</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l01839"></a><span class="lineno"> 1839</span>  }</div>
<div class="line"><a name="l01840"></a><span class="lineno"> 1840</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>((<a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>*)(LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).completed_sem), 0);</div>
<div class="line"><a name="l01841"></a><span class="lineno"> 1841</span>  </div>
<div class="line"><a name="l01842"></a><span class="lineno"> 1842</span>  <span class="comment">/* write back optlen and optval */</span></div>
<div class="line"><a name="l01843"></a><span class="lineno"> 1843</span>  *optlen = LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optlen;</div>
<div class="line"><a name="l01844"></a><span class="lineno"> 1844</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l01845"></a><span class="lineno"> 1845</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(optval, LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optval,</div>
<div class="line"><a name="l01846"></a><span class="lineno"> 1846</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optlen);</div>
<div class="line"><a name="l01847"></a><span class="lineno"> 1847</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01848"></a><span class="lineno"> 1848</span>  </div>
<div class="line"><a name="l01849"></a><span class="lineno"> 1849</span>  <span class="comment">/* maybe lwip_getsockopt_internal has changed err */</span></div>
<div class="line"><a name="l01850"></a><span class="lineno"> 1850</span>  err = LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).err;</div>
<div class="line"><a name="l01851"></a><span class="lineno"> 1851</span>  LWIP_SETGETSOCKOPT_DATA_VAR_FREE(data);</div>
<div class="line"><a name="l01852"></a><span class="lineno"> 1852</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01853"></a><span class="lineno"> 1853</span>  </div>
<div class="line"><a name="l01854"></a><span class="lineno"> 1854</span>  sock_set_errno(sock, err);</div>
<div class="line"><a name="l01855"></a><span class="lineno"> 1855</span>  <span class="keywordflow">return</span> err ? -1 : 0;</div>
<div class="line"><a name="l01856"></a><span class="lineno"> 1856</span> }</div>
<div class="line"><a name="l01857"></a><span class="lineno"> 1857</span>  </div>
<div class="line"><a name="l01858"></a><span class="lineno"> 1858</span> <span class="preprocessor">#if !LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l01859"></a><span class="lineno"> 1859</span>  </div>
<div class="line"><a name="l01862"></a><span class="lineno"> 1862</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01863"></a><span class="lineno"> 1863</span> lwip_getsockopt_callback(<span class="keywordtype">void</span> *arg)</div>
<div class="line"><a name="l01864"></a><span class="lineno"> 1864</span> {</div>
<div class="line"><a name="l01865"></a><span class="lineno"> 1865</span>  <span class="keyword">struct </span>lwip_setgetsockopt_data *data;</div>
<div class="line"><a name="l01866"></a><span class="lineno"> 1866</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"arg != NULL"</span>, arg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l01867"></a><span class="lineno"> 1867</span>  data = (<span class="keyword">struct </span>lwip_setgetsockopt_data*)arg;</div>
<div class="line"><a name="l01868"></a><span class="lineno"> 1868</span>  </div>
<div class="line"><a name="l01869"></a><span class="lineno"> 1869</span>  data->err = lwip_getsockopt_impl(data->s, data->level, data->optname,</div>
<div class="line"><a name="l01870"></a><span class="lineno"> 1870</span> #<span class="keywordflow">if</span> <a class="code" href="../../d2/d78/lwipopts_8h.html#ae9afcefa5d233372abb9413188dd98c9">LWIP_MPU_COMPATIBLE</a></div>
<div class="line"><a name="l01871"></a><span class="lineno"> 1871</span>  data->optval,</div>
<div class="line"><a name="l01872"></a><span class="lineno"> 1872</span> #<span class="keywordflow">else</span> <span class="comment">/* LWIP_MPU_COMPATIBLE */</span></div>
<div class="line"><a name="l01873"></a><span class="lineno"> 1873</span>  data->optval.p,</div>
<div class="line"><a name="l01874"></a><span class="lineno"> 1874</span> #endif <span class="comment">/* LWIP_MPU_COMPATIBLE */</span></div>
<div class="line"><a name="l01875"></a><span class="lineno"> 1875</span>  &data->optlen);</div>
<div class="line"><a name="l01876"></a><span class="lineno"> 1876</span>  </div>
<div class="line"><a name="l01877"></a><span class="lineno"> 1877</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>((<a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>*)(data->completed_sem));</div>
<div class="line"><a name="l01878"></a><span class="lineno"> 1878</span> }</div>
<div class="line"><a name="l01879"></a><span class="lineno"> 1879</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01880"></a><span class="lineno"> 1880</span>  </div>
<div class="line"><a name="l01884"></a><span class="lineno"> 1884</span> <span class="keyword">static</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div>
<div class="line"><a name="l01885"></a><span class="lineno"> 1885</span> lwip_getsockopt_impl(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keywordtype">void</span> *optval, socklen_t *optlen)</div>
<div class="line"><a name="l01886"></a><span class="lineno"> 1886</span> {</div>
<div class="line"><a name="l01887"></a><span class="lineno"> 1887</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> err = 0;</div>
<div class="line"><a name="l01888"></a><span class="lineno"> 1888</span>  <span class="keyword">struct </span>lwip_sock *sock = tryget_socket(s);</div>
<div class="line"><a name="l01889"></a><span class="lineno"> 1889</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l01890"></a><span class="lineno"> 1890</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#ac54507d66b43ad12f9356257323c0018">EBADF</a>;</div>
<div class="line"><a name="l01891"></a><span class="lineno"> 1891</span>  }</div>
<div class="line"><a name="l01892"></a><span class="lineno"> 1892</span>  </div>
<div class="line"><a name="l01893"></a><span class="lineno"> 1893</span>  <span class="keywordflow">switch</span> (level) {</div>
<div class="line"><a name="l01894"></a><span class="lineno"> 1894</span>  </div>
<div class="line"><a name="l01895"></a><span class="lineno"> 1895</span> <span class="comment">/* Level: SOL_SOCKET */</span></div>
<div class="line"><a name="l01896"></a><span class="lineno"> 1896</span>  <span class="keywordflow">case</span> SOL_SOCKET:</div>
<div class="line"><a name="l01897"></a><span class="lineno"> 1897</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l01898"></a><span class="lineno"> 1898</span>  </div>
<div class="line"><a name="l01899"></a><span class="lineno"> 1899</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l01900"></a><span class="lineno"> 1900</span>  <span class="keywordflow">case</span> SO_ACCEPTCONN:</div>
<div class="line"><a name="l01901"></a><span class="lineno"> 1901</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l01902"></a><span class="lineno"> 1902</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(sock->conn->type) != NETCONN_TCP) {</div>
<div class="line"><a name="l01903"></a><span class="lineno"> 1903</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l01904"></a><span class="lineno"> 1904</span>  }</div>
<div class="line"><a name="l01905"></a><span class="lineno"> 1905</span>  <span class="keywordflow">if</span> ((sock->conn->pcb.tcp != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (sock->conn->pcb.tcp->state == LISTEN)) {</div>
<div class="line"><a name="l01906"></a><span class="lineno"> 1906</span>  *(<span class="keywordtype">int</span>*)optval = 1;</div>
<div class="line"><a name="l01907"></a><span class="lineno"> 1907</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01908"></a><span class="lineno"> 1908</span>  *(<span class="keywordtype">int</span>*)optval = 0;</div>
<div class="line"><a name="l01909"></a><span class="lineno"> 1909</span>  }</div>
<div class="line"><a name="l01910"></a><span class="lineno"> 1910</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01911"></a><span class="lineno"> 1911</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01912"></a><span class="lineno"> 1912</span>  </div>
<div class="line"><a name="l01913"></a><span class="lineno"> 1913</span>  <span class="comment">/* The option flags */</span></div>
<div class="line"><a name="l01914"></a><span class="lineno"> 1914</span>  <span class="keywordflow">case</span> SO_BROADCAST:</div>
<div class="line"><a name="l01915"></a><span class="lineno"> 1915</span>  <span class="keywordflow">case</span> SO_KEEPALIVE:</div>
<div class="line"><a name="l01916"></a><span class="lineno"> 1916</span> <span class="preprocessor">#if SO_REUSE</span></div>
<div class="line"><a name="l01917"></a><span class="lineno"> 1917</span>  <span class="keywordflow">case</span> SO_REUSEADDR:</div>
<div class="line"><a name="l01918"></a><span class="lineno"> 1918</span> <span class="preprocessor">#endif </span><span class="comment">/* SO_REUSE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01919"></a><span class="lineno"> 1919</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l01920"></a><span class="lineno"> 1920</span>  *(<span class="keywordtype">int</span>*)optval = <a class="code" href="../../da/d2f/ip_8h.html#a26e077f52de4a97ff89c02415c084518">ip_get_option</a>(sock->conn->pcb.ip, optname);</div>
<div class="line"><a name="l01921"></a><span class="lineno"> 1921</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, SOL_SOCKET, optname=0x%x, ..) = %s\n"</span>,</div>
<div class="line"><a name="l01922"></a><span class="lineno"> 1922</span>  s, optname, (*(<span class="keywordtype">int</span>*)optval?<span class="stringliteral">"on"</span>:<span class="stringliteral">"off"</span>)));</div>
<div class="line"><a name="l01923"></a><span class="lineno"> 1923</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01924"></a><span class="lineno"> 1924</span>  </div>
<div class="line"><a name="l01925"></a><span class="lineno"> 1925</span>  <span class="keywordflow">case</span> SO_TYPE:</div>
<div class="line"><a name="l01926"></a><span class="lineno"> 1926</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l01927"></a><span class="lineno"> 1927</span>  <span class="keywordflow">switch</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn))) {</div>
<div class="line"><a name="l01928"></a><span class="lineno"> 1928</span>  <span class="keywordflow">case</span> NETCONN_RAW:</div>
<div class="line"><a name="l01929"></a><span class="lineno"> 1929</span>  *(<span class="keywordtype">int</span>*)optval = SOCK_RAW;</div>
<div class="line"><a name="l01930"></a><span class="lineno"> 1930</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01931"></a><span class="lineno"> 1931</span>  <span class="keywordflow">case</span> NETCONN_TCP:</div>
<div class="line"><a name="l01932"></a><span class="lineno"> 1932</span>  *(<span class="keywordtype">int</span>*)optval = SOCK_STREAM;</div>
<div class="line"><a name="l01933"></a><span class="lineno"> 1933</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01934"></a><span class="lineno"> 1934</span>  <span class="keywordflow">case</span> NETCONN_UDP:</div>
<div class="line"><a name="l01935"></a><span class="lineno"> 1935</span>  *(<span class="keywordtype">int</span>*)optval = SOCK_DGRAM;</div>
<div class="line"><a name="l01936"></a><span class="lineno"> 1936</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01937"></a><span class="lineno"> 1937</span>  <span class="keywordflow">default</span>: <span class="comment">/* unrecognized socket type */</span></div>
<div class="line"><a name="l01938"></a><span class="lineno"> 1938</span>  *(<span class="keywordtype">int</span>*)optval = netconn_type(sock->conn);</div>
<div class="line"><a name="l01939"></a><span class="lineno"> 1939</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>,</div>
<div class="line"><a name="l01940"></a><span class="lineno"> 1940</span>  (<span class="stringliteral">"lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE): unrecognized socket type %d\n"</span>,</div>
<div class="line"><a name="l01941"></a><span class="lineno"> 1941</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l01942"></a><span class="lineno"> 1942</span>  } <span class="comment">/* switch (netconn_type(sock->conn)) */</span></div>
<div class="line"><a name="l01943"></a><span class="lineno"> 1943</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, SOL_SOCKET, SO_TYPE) = %d\n"</span>,</div>
<div class="line"><a name="l01944"></a><span class="lineno"> 1944</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l01945"></a><span class="lineno"> 1945</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01946"></a><span class="lineno"> 1946</span>  </div>
<div class="line"><a name="l01947"></a><span class="lineno"> 1947</span>  <span class="keywordflow">case</span> SO_ERROR:</div>
<div class="line"><a name="l01948"></a><span class="lineno"> 1948</span>  LWIP_SOCKOPT_CHECK_OPTLEN(*optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l01949"></a><span class="lineno"> 1949</span>  <span class="comment">/* only overwrite ERR_OK or temporary errors */</span></div>
<div class="line"><a name="l01950"></a><span class="lineno"> 1950</span>  <span class="keywordflow">if</span> (((sock->err == 0) || (sock->err == <a class="code" href="../../d4/d36/sys_2errno_8h.html#a6c045d5be06e715cc335784a7320714e">EINPROGRESS</a>)) && (sock->conn != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)) {</div>
<div class="line"><a name="l01951"></a><span class="lineno"> 1951</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(sock->conn->last_err));</div>
<div class="line"><a name="l01952"></a><span class="lineno"> 1952</span>  }</div>
<div class="line"><a name="l01953"></a><span class="lineno"> 1953</span>  *(<span class="keywordtype">int</span> *)optval = (sock->err == 0xFF ? (<span class="keywordtype">int</span>)-1 : (int)sock->err);</div>
<div class="line"><a name="l01954"></a><span class="lineno"> 1954</span>  sock->err = 0;</div>
<div class="line"><a name="l01955"></a><span class="lineno"> 1955</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, SOL_SOCKET, SO_ERROR) = %d\n"</span>,</div>
<div class="line"><a name="l01956"></a><span class="lineno"> 1956</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l01957"></a><span class="lineno"> 1957</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01958"></a><span class="lineno"> 1958</span>  </div>
<div class="line"><a name="l01959"></a><span class="lineno"> 1959</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l01960"></a><span class="lineno"> 1960</span>  <span class="keywordflow">case</span> SO_SNDTIMEO:</div>
<div class="line"><a name="l01961"></a><span class="lineno"> 1961</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, *optlen, LWIP_SO_SNDRCVTIMEO_OPTTYPE);</div>
<div class="line"><a name="l01962"></a><span class="lineno"> 1962</span>  LWIP_SO_SNDRCVTIMEO_SET(optval, netconn_get_sendtimeout(sock->conn));</div>
<div class="line"><a name="l01963"></a><span class="lineno"> 1963</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01964"></a><span class="lineno"> 1964</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01965"></a><span class="lineno"> 1965</span> <span class="preprocessor">#if LWIP_SO_RCVTIMEO</span></div>
<div class="line"><a name="l01966"></a><span class="lineno"> 1966</span>  <span class="keywordflow">case</span> SO_RCVTIMEO:</div>
<div class="line"><a name="l01967"></a><span class="lineno"> 1967</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, *optlen, LWIP_SO_SNDRCVTIMEO_OPTTYPE);</div>
<div class="line"><a name="l01968"></a><span class="lineno"> 1968</span>  LWIP_SO_SNDRCVTIMEO_SET(optval, netconn_get_recvtimeout(sock->conn));</div>
<div class="line"><a name="l01969"></a><span class="lineno"> 1969</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01970"></a><span class="lineno"> 1970</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01971"></a><span class="lineno"> 1971</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l01972"></a><span class="lineno"> 1972</span>  <span class="keywordflow">case</span> SO_RCVBUF:</div>
<div class="line"><a name="l01973"></a><span class="lineno"> 1973</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l01974"></a><span class="lineno"> 1974</span>  *(<span class="keywordtype">int</span> *)optval = netconn_get_recvbufsize(sock->conn);</div>
<div class="line"><a name="l01975"></a><span class="lineno"> 1975</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01976"></a><span class="lineno"> 1976</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01977"></a><span class="lineno"> 1977</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l01978"></a><span class="lineno"> 1978</span>  <span class="keywordflow">case</span> SO_LINGER:</div>
<div class="line"><a name="l01979"></a><span class="lineno"> 1979</span>  {</div>
<div class="line"><a name="l01980"></a><span class="lineno"> 1980</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a> conn_linger;</div>
<div class="line"><a name="l01981"></a><span class="lineno"> 1981</span>  <span class="keyword">struct </span>linger* linger = (<span class="keyword">struct </span>linger*)optval;</div>
<div class="line"><a name="l01982"></a><span class="lineno"> 1982</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, *optlen, <span class="keyword">struct</span> linger);</div>
<div class="line"><a name="l01983"></a><span class="lineno"> 1983</span>  conn_linger = sock->conn->linger;</div>
<div class="line"><a name="l01984"></a><span class="lineno"> 1984</span>  <span class="keywordflow">if</span> (conn_linger >= 0) {</div>
<div class="line"><a name="l01985"></a><span class="lineno"> 1985</span>  linger->l_onoff = 1;</div>
<div class="line"><a name="l01986"></a><span class="lineno"> 1986</span>  linger->l_linger = (int)conn_linger;</div>
<div class="line"><a name="l01987"></a><span class="lineno"> 1987</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01988"></a><span class="lineno"> 1988</span>  linger->l_onoff = 0;</div>
<div class="line"><a name="l01989"></a><span class="lineno"> 1989</span>  linger->l_linger = 0;</div>
<div class="line"><a name="l01990"></a><span class="lineno"> 1990</span>  }</div>
<div class="line"><a name="l01991"></a><span class="lineno"> 1991</span>  }</div>
<div class="line"><a name="l01992"></a><span class="lineno"> 1992</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l01993"></a><span class="lineno"> 1993</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01994"></a><span class="lineno"> 1994</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l01995"></a><span class="lineno"> 1995</span>  <span class="keywordflow">case</span> SO_NO_CHECK:</div>
<div class="line"><a name="l01996"></a><span class="lineno"> 1996</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, *optlen, <span class="keywordtype">int</span>, NETCONN_UDP);</div>
<div class="line"><a name="l01997"></a><span class="lineno"> 1997</span> <span class="preprocessor">#if LWIP_UDPLITE</span></div>
<div class="line"><a name="l01998"></a><span class="lineno"> 1998</span>  <span class="keywordflow">if</span> ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0) {</div>
<div class="line"><a name="l01999"></a><span class="lineno"> 1999</span>  <span class="comment">/* this flag is only available for UDP, not for UDP lite */</span></div>
<div class="line"><a name="l02000"></a><span class="lineno"> 2000</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a4c3a793b4d51cb7dd020af92e536fe21">EAFNOSUPPORT</a>;</div>
<div class="line"><a name="l02001"></a><span class="lineno"> 2001</span>  }</div>
<div class="line"><a name="l02002"></a><span class="lineno"> 2002</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDPLITE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02003"></a><span class="lineno"> 2003</span>  *(<span class="keywordtype">int</span>*)optval = (udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_NOCHKSUM) ? 1 : 0;</div>
<div class="line"><a name="l02004"></a><span class="lineno"> 2004</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02005"></a><span class="lineno"> 2005</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02006"></a><span class="lineno"> 2006</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02007"></a><span class="lineno"> 2007</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02008"></a><span class="lineno"> 2008</span>  s, optname));</div>
<div class="line"><a name="l02009"></a><span class="lineno"> 2009</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02010"></a><span class="lineno"> 2010</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02011"></a><span class="lineno"> 2011</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02012"></a><span class="lineno"> 2012</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02013"></a><span class="lineno"> 2013</span>  </div>
<div class="line"><a name="l02014"></a><span class="lineno"> 2014</span> <span class="comment">/* Level: IPPROTO_IP */</span></div>
<div class="line"><a name="l02015"></a><span class="lineno"> 2015</span>  <span class="keywordflow">case</span> IPPROTO_IP:</div>
<div class="line"><a name="l02016"></a><span class="lineno"> 2016</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02017"></a><span class="lineno"> 2017</span>  <span class="keywordflow">case</span> IP_TTL:</div>
<div class="line"><a name="l02018"></a><span class="lineno"> 2018</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02019"></a><span class="lineno"> 2019</span>  *(<span class="keywordtype">int</span>*)optval = sock->conn->pcb.ip->ttl;</div>
<div class="line"><a name="l02020"></a><span class="lineno"> 2020</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IP, IP_TTL) = %d\n"</span>,</div>
<div class="line"><a name="l02021"></a><span class="lineno"> 2021</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02022"></a><span class="lineno"> 2022</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02023"></a><span class="lineno"> 2023</span>  <span class="keywordflow">case</span> IP_TOS:</div>
<div class="line"><a name="l02024"></a><span class="lineno"> 2024</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02025"></a><span class="lineno"> 2025</span>  *(<span class="keywordtype">int</span>*)optval = sock->conn->pcb.ip->tos;</div>
<div class="line"><a name="l02026"></a><span class="lineno"> 2026</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IP, IP_TOS) = %d\n"</span>,</div>
<div class="line"><a name="l02027"></a><span class="lineno"> 2027</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02028"></a><span class="lineno"> 2028</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02029"></a><span class="lineno"> 2029</span> <span class="preprocessor">#if LWIP_MULTICAST_TX_OPTIONS</span></div>
<div class="line"><a name="l02030"></a><span class="lineno"> 2030</span>  <span class="keywordflow">case</span> IP_MULTICAST_TTL:</div>
<div class="line"><a name="l02031"></a><span class="lineno"> 2031</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>);</div>
<div class="line"><a name="l02032"></a><span class="lineno"> 2032</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_UDP) {</div>
<div class="line"><a name="l02033"></a><span class="lineno"> 2033</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02034"></a><span class="lineno"> 2034</span>  }</div>
<div class="line"><a name="l02035"></a><span class="lineno"> 2035</span>  *(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)optval = udp_get_multicast_ttl(sock->conn->pcb.udp);</div>
<div class="line"><a name="l02036"></a><span class="lineno"> 2036</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_TTL) = %d\n"</span>,</div>
<div class="line"><a name="l02037"></a><span class="lineno"> 2037</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02038"></a><span class="lineno"> 2038</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02039"></a><span class="lineno"> 2039</span>  <span class="keywordflow">case</span> IP_MULTICAST_IF:</div>
<div class="line"><a name="l02040"></a><span class="lineno"> 2040</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <span class="keyword">struct</span> <a class="code" href="../../da/d7e/structin__addr.html">in_addr</a>);</div>
<div class="line"><a name="l02041"></a><span class="lineno"> 2041</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_UDP) {</div>
<div class="line"><a name="l02042"></a><span class="lineno"> 2042</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02043"></a><span class="lineno"> 2043</span>  }</div>
<div class="line"><a name="l02044"></a><span class="lineno"> 2044</span>  inet_addr_from_ip4addr((<span class="keyword">struct</span> <a class="code" href="../../da/d7e/structin__addr.html">in_addr</a>*)optval, udp_get_multicast_netif_addr(sock->conn->pcb.udp));</div>
<div class="line"><a name="l02045"></a><span class="lineno"> 2045</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_IF) = 0x%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l02046"></a><span class="lineno"> 2046</span>  s, *(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> *)optval));</div>
<div class="line"><a name="l02047"></a><span class="lineno"> 2047</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02048"></a><span class="lineno"> 2048</span>  <span class="keywordflow">case</span> IP_MULTICAST_LOOP:</div>
<div class="line"><a name="l02049"></a><span class="lineno"> 2049</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>);</div>
<div class="line"><a name="l02050"></a><span class="lineno"> 2050</span>  <span class="keywordflow">if</span> ((sock->conn->pcb.udp->flags & UDP_FLAGS_MULTICAST_LOOP) != 0) {</div>
<div class="line"><a name="l02051"></a><span class="lineno"> 2051</span>  *(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)optval = 1;</div>
<div class="line"><a name="l02052"></a><span class="lineno"> 2052</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02053"></a><span class="lineno"> 2053</span>  *(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)optval = 0;</div>
<div class="line"><a name="l02054"></a><span class="lineno"> 2054</span>  }</div>
<div class="line"><a name="l02055"></a><span class="lineno"> 2055</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IP, IP_MULTICAST_LOOP) = %d\n"</span>,</div>
<div class="line"><a name="l02056"></a><span class="lineno"> 2056</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02057"></a><span class="lineno"> 2057</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02058"></a><span class="lineno"> 2058</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MULTICAST_TX_OPTIONS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02059"></a><span class="lineno"> 2059</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02060"></a><span class="lineno"> 2060</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02061"></a><span class="lineno"> 2061</span>  s, optname));</div>
<div class="line"><a name="l02062"></a><span class="lineno"> 2062</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02063"></a><span class="lineno"> 2063</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02064"></a><span class="lineno"> 2064</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02065"></a><span class="lineno"> 2065</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02066"></a><span class="lineno"> 2066</span>  </div>
<div class="line"><a name="l02067"></a><span class="lineno"> 2067</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l02068"></a><span class="lineno"> 2068</span> <span class="comment">/* Level: IPPROTO_TCP */</span></div>
<div class="line"><a name="l02069"></a><span class="lineno"> 2069</span>  <span class="keywordflow">case</span> IPPROTO_TCP:</div>
<div class="line"><a name="l02070"></a><span class="lineno"> 2070</span>  <span class="comment">/* Special case: all IPPROTO_TCP option take an int */</span></div>
<div class="line"><a name="l02071"></a><span class="lineno"> 2071</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, *optlen, <span class="keywordtype">int</span>, NETCONN_TCP);</div>
<div class="line"><a name="l02072"></a><span class="lineno"> 2072</span>  <span class="keywordflow">if</span> (sock->conn->pcb.tcp->state == LISTEN) {</div>
<div class="line"><a name="l02073"></a><span class="lineno"> 2073</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>;</div>
<div class="line"><a name="l02074"></a><span class="lineno"> 2074</span>  }</div>
<div class="line"><a name="l02075"></a><span class="lineno"> 2075</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02076"></a><span class="lineno"> 2076</span>  <span class="keywordflow">case</span> TCP_NODELAY:</div>
<div class="line"><a name="l02077"></a><span class="lineno"> 2077</span>  *(<span class="keywordtype">int</span>*)optval = tcp_nagle_disabled(sock->conn->pcb.tcp);</div>
<div class="line"><a name="l02078"></a><span class="lineno"> 2078</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_TCP, TCP_NODELAY) = %s\n"</span>,</div>
<div class="line"><a name="l02079"></a><span class="lineno"> 2079</span>  s, (*(<span class="keywordtype">int</span>*)optval)?<span class="stringliteral">"on"</span>:<span class="stringliteral">"off"</span>) );</div>
<div class="line"><a name="l02080"></a><span class="lineno"> 2080</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02081"></a><span class="lineno"> 2081</span>  <span class="keywordflow">case</span> TCP_KEEPALIVE:</div>
<div class="line"><a name="l02082"></a><span class="lineno"> 2082</span>  *(<span class="keywordtype">int</span>*)optval = (<span class="keywordtype">int</span>)sock->conn->pcb.tcp->keep_idle;</div>
<div class="line"><a name="l02083"></a><span class="lineno"> 2083</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_TCP, TCP_KEEPALIVE) = %d\n"</span>,</div>
<div class="line"><a name="l02084"></a><span class="lineno"> 2084</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02085"></a><span class="lineno"> 2085</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02086"></a><span class="lineno"> 2086</span>  </div>
<div class="line"><a name="l02087"></a><span class="lineno"> 2087</span> <span class="preprocessor">#if LWIP_TCP_KEEPALIVE</span></div>
<div class="line"><a name="l02088"></a><span class="lineno"> 2088</span>  <span class="keywordflow">case</span> TCP_KEEPIDLE:</div>
<div class="line"><a name="l02089"></a><span class="lineno"> 2089</span>  *(<span class="keywordtype">int</span>*)optval = (<span class="keywordtype">int</span>)(sock->conn->pcb.tcp->keep_idle/1000);</div>
<div class="line"><a name="l02090"></a><span class="lineno"> 2090</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_TCP, TCP_KEEPIDLE) = %d\n"</span>,</div>
<div class="line"><a name="l02091"></a><span class="lineno"> 2091</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02092"></a><span class="lineno"> 2092</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02093"></a><span class="lineno"> 2093</span>  <span class="keywordflow">case</span> TCP_KEEPINTVL:</div>
<div class="line"><a name="l02094"></a><span class="lineno"> 2094</span>  *(<span class="keywordtype">int</span>*)optval = (<span class="keywordtype">int</span>)(sock->conn->pcb.tcp->keep_intvl/1000);</div>
<div class="line"><a name="l02095"></a><span class="lineno"> 2095</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_TCP, TCP_KEEPINTVL) = %d\n"</span>,</div>
<div class="line"><a name="l02096"></a><span class="lineno"> 2096</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02097"></a><span class="lineno"> 2097</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02098"></a><span class="lineno"> 2098</span>  <span class="keywordflow">case</span> TCP_KEEPCNT:</div>
<div class="line"><a name="l02099"></a><span class="lineno"> 2099</span>  *(<span class="keywordtype">int</span>*)optval = (<span class="keywordtype">int</span>)sock->conn->pcb.tcp->keep_cnt;</div>
<div class="line"><a name="l02100"></a><span class="lineno"> 2100</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_TCP, TCP_KEEPCNT) = %d\n"</span>,</div>
<div class="line"><a name="l02101"></a><span class="lineno"> 2101</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02102"></a><span class="lineno"> 2102</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02103"></a><span class="lineno"> 2103</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP_KEEPALIVE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02104"></a><span class="lineno"> 2104</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02105"></a><span class="lineno"> 2105</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02106"></a><span class="lineno"> 2106</span>  s, optname));</div>
<div class="line"><a name="l02107"></a><span class="lineno"> 2107</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02108"></a><span class="lineno"> 2108</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02109"></a><span class="lineno"> 2109</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02110"></a><span class="lineno"> 2110</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02111"></a><span class="lineno"> 2111</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02112"></a><span class="lineno"> 2112</span>  </div>
<div class="line"><a name="l02113"></a><span class="lineno"> 2113</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l02114"></a><span class="lineno"> 2114</span> <span class="comment">/* Level: IPPROTO_IPV6 */</span></div>
<div class="line"><a name="l02115"></a><span class="lineno"> 2115</span>  <span class="keywordflow">case</span> IPPROTO_IPV6:</div>
<div class="line"><a name="l02116"></a><span class="lineno"> 2116</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02117"></a><span class="lineno"> 2117</span>  <span class="keywordflow">case</span> IPV6_V6ONLY:</div>
<div class="line"><a name="l02118"></a><span class="lineno"> 2118</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02119"></a><span class="lineno"> 2119</span>  *(<span class="keywordtype">int</span>*)optval = (netconn_get_ipv6only(sock->conn) ? 1 : 0);</div>
<div class="line"><a name="l02120"></a><span class="lineno"> 2120</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IPV6, IPV6_V6ONLY) = %d\n"</span>,</div>
<div class="line"><a name="l02121"></a><span class="lineno"> 2121</span>  s, *(<span class="keywordtype">int</span> *)optval));</div>
<div class="line"><a name="l02122"></a><span class="lineno"> 2122</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02123"></a><span class="lineno"> 2123</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02124"></a><span class="lineno"> 2124</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_IPV6, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02125"></a><span class="lineno"> 2125</span>  s, optname));</div>
<div class="line"><a name="l02126"></a><span class="lineno"> 2126</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02127"></a><span class="lineno"> 2127</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02128"></a><span class="lineno"> 2128</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02129"></a><span class="lineno"> 2129</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02130"></a><span class="lineno"> 2130</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02131"></a><span class="lineno"> 2131</span>  </div>
<div class="line"><a name="l02132"></a><span class="lineno"> 2132</span> <span class="preprocessor">#if LWIP_UDP && LWIP_UDPLITE</span></div>
<div class="line"><a name="l02133"></a><span class="lineno"> 2133</span>  <span class="comment">/* Level: IPPROTO_UDPLITE */</span></div>
<div class="line"><a name="l02134"></a><span class="lineno"> 2134</span>  <span class="keywordflow">case</span> IPPROTO_UDPLITE:</div>
<div class="line"><a name="l02135"></a><span class="lineno"> 2135</span>  <span class="comment">/* Special case: all IPPROTO_UDPLITE option take an int */</span></div>
<div class="line"><a name="l02136"></a><span class="lineno"> 2136</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, *optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02137"></a><span class="lineno"> 2137</span>  <span class="comment">/* If this is no UDP lite socket, ignore any options. */</span></div>
<div class="line"><a name="l02138"></a><span class="lineno"> 2138</span>  <span class="keywordflow">if</span> (!NETCONNTYPE_ISUDPLITE(netconn_type(sock->conn))) {</div>
<div class="line"><a name="l02139"></a><span class="lineno"> 2139</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02140"></a><span class="lineno"> 2140</span>  }</div>
<div class="line"><a name="l02141"></a><span class="lineno"> 2141</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02142"></a><span class="lineno"> 2142</span>  <span class="keywordflow">case</span> UDPLITE_SEND_CSCOV:</div>
<div class="line"><a name="l02143"></a><span class="lineno"> 2143</span>  *(<span class="keywordtype">int</span>*)optval = sock->conn->pcb.udp->chksum_len_tx;</div>
<div class="line"><a name="l02144"></a><span class="lineno"> 2144</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) = %d\n"</span>,</div>
<div class="line"><a name="l02145"></a><span class="lineno"> 2145</span>  s, (*(<span class="keywordtype">int</span>*)optval)) );</div>
<div class="line"><a name="l02146"></a><span class="lineno"> 2146</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02147"></a><span class="lineno"> 2147</span>  <span class="keywordflow">case</span> UDPLITE_RECV_CSCOV:</div>
<div class="line"><a name="l02148"></a><span class="lineno"> 2148</span>  *(<span class="keywordtype">int</span>*)optval = sock->conn->pcb.udp->chksum_len_rx;</div>
<div class="line"><a name="l02149"></a><span class="lineno"> 2149</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) = %d\n"</span>,</div>
<div class="line"><a name="l02150"></a><span class="lineno"> 2150</span>  s, (*(<span class="keywordtype">int</span>*)optval)) );</div>
<div class="line"><a name="l02151"></a><span class="lineno"> 2151</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02152"></a><span class="lineno"> 2152</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02153"></a><span class="lineno"> 2153</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02154"></a><span class="lineno"> 2154</span>  s, optname));</div>
<div class="line"><a name="l02155"></a><span class="lineno"> 2155</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02156"></a><span class="lineno"> 2156</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02157"></a><span class="lineno"> 2157</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02158"></a><span class="lineno"> 2158</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02159"></a><span class="lineno"> 2159</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02160"></a><span class="lineno"> 2160</span>  <span class="comment">/* Level: IPPROTO_RAW */</span></div>
<div class="line"><a name="l02161"></a><span class="lineno"> 2161</span>  <span class="keywordflow">case</span> IPPROTO_RAW:</div>
<div class="line"><a name="l02162"></a><span class="lineno"> 2162</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02163"></a><span class="lineno"> 2163</span> <span class="preprocessor">#if LWIP_IPV6 && LWIP_RAW</span></div>
<div class="line"><a name="l02164"></a><span class="lineno"> 2164</span>  <span class="keywordflow">case</span> IPV6_CHECKSUM:</div>
<div class="line"><a name="l02165"></a><span class="lineno"> 2165</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, *optlen, <span class="keywordtype">int</span>, NETCONN_RAW);</div>
<div class="line"><a name="l02166"></a><span class="lineno"> 2166</span>  <span class="keywordflow">if</span> (sock->conn->pcb.raw->chksum_reqd == 0) {</div>
<div class="line"><a name="l02167"></a><span class="lineno"> 2167</span>  *(<span class="keywordtype">int</span> *)optval = -1;</div>
<div class="line"><a name="l02168"></a><span class="lineno"> 2168</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02169"></a><span class="lineno"> 2169</span>  *(<span class="keywordtype">int</span> *)optval = sock->conn->pcb.raw->chksum_offset;</div>
<div class="line"><a name="l02170"></a><span class="lineno"> 2170</span>  }</div>
<div class="line"><a name="l02171"></a><span class="lineno"> 2171</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_RAW, IPV6_CHECKSUM) = %d\n"</span>,</div>
<div class="line"><a name="l02172"></a><span class="lineno"> 2172</span>  s, (*(<span class="keywordtype">int</span>*)optval)) );</div>
<div class="line"><a name="l02173"></a><span class="lineno"> 2173</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02174"></a><span class="lineno"> 2174</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 && LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02175"></a><span class="lineno"> 2175</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02176"></a><span class="lineno"> 2176</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, IPPROTO_RAW, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02177"></a><span class="lineno"> 2177</span>  s, optname));</div>
<div class="line"><a name="l02178"></a><span class="lineno"> 2178</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02179"></a><span class="lineno"> 2179</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02180"></a><span class="lineno"> 2180</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02181"></a><span class="lineno"> 2181</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02182"></a><span class="lineno"> 2182</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02183"></a><span class="lineno"> 2183</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_getsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02184"></a><span class="lineno"> 2184</span>  s, level, optname));</div>
<div class="line"><a name="l02185"></a><span class="lineno"> 2185</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02186"></a><span class="lineno"> 2186</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02187"></a><span class="lineno"> 2187</span>  } <span class="comment">/* switch (level) */</span></div>
<div class="line"><a name="l02188"></a><span class="lineno"> 2188</span>  </div>
<div class="line"><a name="l02189"></a><span class="lineno"> 2189</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l02190"></a><span class="lineno"> 2190</span> }</div>
<div class="line"><a name="l02191"></a><span class="lineno"> 2191</span>  </div>
<div class="line"><a name="l02192"></a><span class="lineno"> 2192</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l02193"></a><span class="lineno"> 2193</span> lwip_setsockopt(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keyword">const</span> <span class="keywordtype">void</span> *optval, socklen_t optlen)</div>
<div class="line"><a name="l02194"></a><span class="lineno"> 2194</span> {</div>
<div class="line"><a name="l02195"></a><span class="lineno"> 2195</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> err = 0;</div>
<div class="line"><a name="l02196"></a><span class="lineno"> 2196</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l02197"></a><span class="lineno"> 2197</span> <span class="preprocessor">#if !LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l02198"></a><span class="lineno"> 2198</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02199"></a><span class="lineno"> 2199</span>  LWIP_SETGETSOCKOPT_DATA_VAR_DECLARE(data);</div>
<div class="line"><a name="l02200"></a><span class="lineno"> 2200</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02201"></a><span class="lineno"> 2201</span>  </div>
<div class="line"><a name="l02202"></a><span class="lineno"> 2202</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02203"></a><span class="lineno"> 2203</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02204"></a><span class="lineno"> 2204</span>  }</div>
<div class="line"><a name="l02205"></a><span class="lineno"> 2205</span>  </div>
<div class="line"><a name="l02206"></a><span class="lineno"> 2206</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> == optval) {</div>
<div class="line"><a name="l02207"></a><span class="lineno"> 2207</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a3f317946e043623f9d6b93dbf60e6316">EFAULT</a>);</div>
<div class="line"><a name="l02208"></a><span class="lineno"> 2208</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02209"></a><span class="lineno"> 2209</span>  }</div>
<div class="line"><a name="l02210"></a><span class="lineno"> 2210</span>  </div>
<div class="line"><a name="l02211"></a><span class="lineno"> 2211</span> <span class="preprocessor">#if LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l02212"></a><span class="lineno"> 2212</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02213"></a><span class="lineno"> 2213</span>  <span class="comment">/* core-locking can just call the -impl function */</span></div>
<div class="line"><a name="l02214"></a><span class="lineno"> 2214</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l02215"></a><span class="lineno"> 2215</span>  err = lwip_setsockopt_impl(s, level, optname, optval, optlen);</div>
<div class="line"><a name="l02216"></a><span class="lineno"> 2216</span>  <a class="code" href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a>();</div>
<div class="line"><a name="l02217"></a><span class="lineno"> 2217</span>  </div>
<div class="line"><a name="l02218"></a><span class="lineno"> 2218</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02219"></a><span class="lineno"> 2219</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02220"></a><span class="lineno"> 2220</span>  </div>
<div class="line"><a name="l02221"></a><span class="lineno"> 2221</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l02222"></a><span class="lineno"> 2222</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02223"></a><span class="lineno"> 2223</span>  <span class="comment">/* MPU_COMPATIBLE copies the optval data, so check for max size here */</span></div>
<div class="line"><a name="l02224"></a><span class="lineno"> 2224</span>  <span class="keywordflow">if</span> (optlen > LWIP_SETGETSOCKOPT_MAXOPTLEN) {</div>
<div class="line"><a name="l02225"></a><span class="lineno"> 2225</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a9e655f47bfd914a1174f281fc31cf63d">ENOBUFS</a>);</div>
<div class="line"><a name="l02226"></a><span class="lineno"> 2226</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02227"></a><span class="lineno"> 2227</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02228"></a><span class="lineno"> 2228</span>  }</div>
<div class="line"><a name="l02229"></a><span class="lineno"> 2229</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02230"></a><span class="lineno"> 2230</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02231"></a><span class="lineno"> 2231</span>  </div>
<div class="line"><a name="l02232"></a><span class="lineno"> 2232</span>  LWIP_SETGETSOCKOPT_DATA_VAR_ALLOC(data, sock);</div>
<div class="line"><a name="l02233"></a><span class="lineno"> 2233</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).s = s;</div>
<div class="line"><a name="l02234"></a><span class="lineno"> 2234</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).level = level;</div>
<div class="line"><a name="l02235"></a><span class="lineno"> 2235</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optname = optname;</div>
<div class="line"><a name="l02236"></a><span class="lineno"> 2236</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optlen = optlen;</div>
<div class="line"><a name="l02237"></a><span class="lineno"> 2237</span> <span class="preprocessor">#if LWIP_MPU_COMPATIBLE</span></div>
<div class="line"><a name="l02238"></a><span class="lineno"> 2238</span>  <a class="code" href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a>(LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optval, optval, optlen);</div>
<div class="line"><a name="l02239"></a><span class="lineno"> 2239</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02240"></a><span class="lineno"> 2240</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).optval.pc = (<span class="keyword">const</span> <span class="keywordtype">void</span>*)optval;</div>
<div class="line"><a name="l02241"></a><span class="lineno"> 2241</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MPU_COMPATIBLE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02242"></a><span class="lineno"> 2242</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).err = 0;</div>
<div class="line"><a name="l02243"></a><span class="lineno"> 2243</span> <span class="preprocessor">#if LWIP_NETCONN_SEM_PER_THREAD</span></div>
<div class="line"><a name="l02244"></a><span class="lineno"> 2244</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).completed_sem = LWIP_NETCONN_THREAD_SEM_GET();</div>
<div class="line"><a name="l02245"></a><span class="lineno"> 2245</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l02246"></a><span class="lineno"> 2246</span>  LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).completed_sem = &sock->conn->op_completed;</div>
<div class="line"><a name="l02247"></a><span class="lineno"> 2247</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l02248"></a><span class="lineno"> 2248</span>  err = <a class="code" href="../../d9/db5/tcpip_8h.html#a7eb868a1215472ec38f3f2a04d442b9f">tcpip_callback</a>(lwip_setsockopt_callback, &LWIP_SETGETSOCKOPT_DATA_VAR_REF(data));</div>
<div class="line"><a name="l02249"></a><span class="lineno"> 2249</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l02250"></a><span class="lineno"> 2250</span>  LWIP_SETGETSOCKOPT_DATA_VAR_FREE(data);</div>
<div class="line"><a name="l02251"></a><span class="lineno"> 2251</span>  sock_set_errno(sock, <a class="code" href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a>(err));</div>
<div class="line"><a name="l02252"></a><span class="lineno"> 2252</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02253"></a><span class="lineno"> 2253</span>  }</div>
<div class="line"><a name="l02254"></a><span class="lineno"> 2254</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a>((<a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>*)(LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).completed_sem), 0);</div>
<div class="line"><a name="l02255"></a><span class="lineno"> 2255</span>  </div>
<div class="line"><a name="l02256"></a><span class="lineno"> 2256</span>  <span class="comment">/* maybe lwip_getsockopt_internal has changed err */</span></div>
<div class="line"><a name="l02257"></a><span class="lineno"> 2257</span>  err = LWIP_SETGETSOCKOPT_DATA_VAR_REF(data).err;</div>
<div class="line"><a name="l02258"></a><span class="lineno"> 2258</span>  LWIP_SETGETSOCKOPT_DATA_VAR_FREE(data);</div>
<div class="line"><a name="l02259"></a><span class="lineno"> 2259</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02260"></a><span class="lineno"> 2260</span>  </div>
<div class="line"><a name="l02261"></a><span class="lineno"> 2261</span> <a class="code" href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a>(<span class="stringliteral">"%s:%i: %i"</span>, __FILE__, __LINE__, err);</div>
<div class="line"><a name="l02262"></a><span class="lineno"> 2262</span>  </div>
<div class="line"><a name="l02263"></a><span class="lineno"> 2263</span>  sock_set_errno(sock, err);</div>
<div class="line"><a name="l02264"></a><span class="lineno"> 2264</span>  <span class="keywordflow">return</span> err ? -1 : 0;</div>
<div class="line"><a name="l02265"></a><span class="lineno"> 2265</span> }</div>
<div class="line"><a name="l02266"></a><span class="lineno"> 2266</span>  </div>
<div class="line"><a name="l02267"></a><span class="lineno"> 2267</span> <span class="preprocessor">#if !LWIP_TCPIP_CORE_LOCKING</span></div>
<div class="line"><a name="l02268"></a><span class="lineno"> 2268</span>  </div>
<div class="line"><a name="l02271"></a><span class="lineno"> 2271</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l02272"></a><span class="lineno"> 2272</span> lwip_setsockopt_callback(<span class="keywordtype">void</span> *arg)</div>
<div class="line"><a name="l02273"></a><span class="lineno"> 2273</span> {</div>
<div class="line"><a name="l02274"></a><span class="lineno"> 2274</span>  <span class="keyword">struct </span>lwip_setgetsockopt_data *data;</div>
<div class="line"><a name="l02275"></a><span class="lineno"> 2275</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"arg != NULL"</span>, arg != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l02276"></a><span class="lineno"> 2276</span>  data = (<span class="keyword">struct </span>lwip_setgetsockopt_data*)arg;</div>
<div class="line"><a name="l02277"></a><span class="lineno"> 2277</span>  </div>
<div class="line"><a name="l02278"></a><span class="lineno"> 2278</span>  data->err = lwip_setsockopt_impl(data->s, data->level, data->optname,</div>
<div class="line"><a name="l02279"></a><span class="lineno"> 2279</span> #<span class="keywordflow">if</span> <a class="code" href="../../d2/d78/lwipopts_8h.html#ae9afcefa5d233372abb9413188dd98c9">LWIP_MPU_COMPATIBLE</a></div>
<div class="line"><a name="l02280"></a><span class="lineno"> 2280</span>  data->optval,</div>
<div class="line"><a name="l02281"></a><span class="lineno"> 2281</span> #<span class="keywordflow">else</span> <span class="comment">/* LWIP_MPU_COMPATIBLE */</span></div>
<div class="line"><a name="l02282"></a><span class="lineno"> 2282</span>  data->optval.pc,</div>
<div class="line"><a name="l02283"></a><span class="lineno"> 2283</span> #endif <span class="comment">/* LWIP_MPU_COMPATIBLE */</span></div>
<div class="line"><a name="l02284"></a><span class="lineno"> 2284</span>  data->optlen);</div>
<div class="line"><a name="l02285"></a><span class="lineno"> 2285</span>  </div>
<div class="line"><a name="l02286"></a><span class="lineno"> 2286</span>  <a class="code" href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a>((<a class="code" href="../../d4/da3/structsys__sem.html">sys_sem_t</a>*)(data->completed_sem));</div>
<div class="line"><a name="l02287"></a><span class="lineno"> 2287</span> }</div>
<div class="line"><a name="l02288"></a><span class="lineno"> 2288</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCPIP_CORE_LOCKING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02289"></a><span class="lineno"> 2289</span>  </div>
<div class="line"><a name="l02293"></a><span class="lineno"> 2293</span> <span class="keyword">static</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div>
<div class="line"><a name="l02294"></a><span class="lineno"> 2294</span> lwip_setsockopt_impl(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> level, <span class="keywordtype">int</span> optname, <span class="keyword">const</span> <span class="keywordtype">void</span> *optval, socklen_t optlen)</div>
<div class="line"><a name="l02295"></a><span class="lineno"> 2295</span> {</div>
<div class="line"><a name="l02296"></a><span class="lineno"> 2296</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> err = 0;</div>
<div class="line"><a name="l02297"></a><span class="lineno"> 2297</span>  <span class="keyword">struct </span>lwip_sock *sock = tryget_socket(s);</div>
<div class="line"><a name="l02298"></a><span class="lineno"> 2298</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02299"></a><span class="lineno"> 2299</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#ac54507d66b43ad12f9356257323c0018">EBADF</a>;</div>
<div class="line"><a name="l02300"></a><span class="lineno"> 2300</span>  }</div>
<div class="line"><a name="l02301"></a><span class="lineno"> 2301</span>  </div>
<div class="line"><a name="l02302"></a><span class="lineno"> 2302</span>  <span class="keywordflow">switch</span> (level) {</div>
<div class="line"><a name="l02303"></a><span class="lineno"> 2303</span>  </div>
<div class="line"><a name="l02304"></a><span class="lineno"> 2304</span> <span class="comment">/* Level: SOL_SOCKET */</span></div>
<div class="line"><a name="l02305"></a><span class="lineno"> 2305</span>  <span class="keywordflow">case</span> SOL_SOCKET:</div>
<div class="line"><a name="l02306"></a><span class="lineno"> 2306</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02307"></a><span class="lineno"> 2307</span>  </div>
<div class="line"><a name="l02308"></a><span class="lineno"> 2308</span>  <span class="comment">/* SO_ACCEPTCONN is get-only */</span></div>
<div class="line"><a name="l02309"></a><span class="lineno"> 2309</span>  </div>
<div class="line"><a name="l02310"></a><span class="lineno"> 2310</span>  <span class="comment">/* The option flags */</span></div>
<div class="line"><a name="l02311"></a><span class="lineno"> 2311</span>  <span class="keywordflow">case</span> SO_BROADCAST:</div>
<div class="line"><a name="l02312"></a><span class="lineno"> 2312</span>  <span class="keywordflow">case</span> SO_KEEPALIVE:</div>
<div class="line"><a name="l02313"></a><span class="lineno"> 2313</span> <span class="preprocessor">#if SO_REUSE</span></div>
<div class="line"><a name="l02314"></a><span class="lineno"> 2314</span>  <span class="keywordflow">case</span> SO_REUSEADDR:</div>
<div class="line"><a name="l02315"></a><span class="lineno"> 2315</span> <span class="preprocessor">#endif </span><span class="comment">/* SO_REUSE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02316"></a><span class="lineno"> 2316</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02317"></a><span class="lineno"> 2317</span>  <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval) {</div>
<div class="line"><a name="l02318"></a><span class="lineno"> 2318</span>  <a class="code" href="../../da/d2f/ip_8h.html#a13f48cf825c7f074dc05bea54e9d6a93">ip_set_option</a>(sock->conn->pcb.ip, optname);</div>
<div class="line"><a name="l02319"></a><span class="lineno"> 2319</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02320"></a><span class="lineno"> 2320</span>  <a class="code" href="../../da/d2f/ip_8h.html#a441c63f00c4b0cb69fc34ca6b55307cc">ip_reset_option</a>(sock->conn->pcb.ip, optname);</div>
<div class="line"><a name="l02321"></a><span class="lineno"> 2321</span>  }</div>
<div class="line"><a name="l02322"></a><span class="lineno"> 2322</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, SOL_SOCKET, optname=0x%x, ..) -> %s\n"</span>,</div>
<div class="line"><a name="l02323"></a><span class="lineno"> 2323</span>  s, optname, (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval?<span class="stringliteral">"on"</span>:<span class="stringliteral">"off"</span>)));</div>
<div class="line"><a name="l02324"></a><span class="lineno"> 2324</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02325"></a><span class="lineno"> 2325</span>  </div>
<div class="line"><a name="l02326"></a><span class="lineno"> 2326</span>  <span class="comment">/* SO_TYPE is get-only */</span></div>
<div class="line"><a name="l02327"></a><span class="lineno"> 2327</span>  <span class="comment">/* SO_ERROR is get-only */</span></div>
<div class="line"><a name="l02328"></a><span class="lineno"> 2328</span>  </div>
<div class="line"><a name="l02329"></a><span class="lineno"> 2329</span> <span class="preprocessor">#if LWIP_SO_SNDTIMEO</span></div>
<div class="line"><a name="l02330"></a><span class="lineno"> 2330</span>  <span class="keywordflow">case</span> SO_SNDTIMEO:</div>
<div class="line"><a name="l02331"></a><span class="lineno"> 2331</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, optlen, LWIP_SO_SNDRCVTIMEO_OPTTYPE);</div>
<div class="line"><a name="l02332"></a><span class="lineno"> 2332</span>  netconn_set_sendtimeout(sock->conn, LWIP_SO_SNDRCVTIMEO_GET_MS(optval));</div>
<div class="line"><a name="l02333"></a><span class="lineno"> 2333</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02334"></a><span class="lineno"> 2334</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_SNDTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02335"></a><span class="lineno"> 2335</span> <span class="preprocessor">#if LWIP_SO_RCVTIMEO</span></div>
<div class="line"><a name="l02336"></a><span class="lineno"> 2336</span>  <span class="keywordflow">case</span> SO_RCVTIMEO:</div>
<div class="line"><a name="l02337"></a><span class="lineno"> 2337</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, optlen, LWIP_SO_SNDRCVTIMEO_OPTTYPE);</div>
<div class="line"><a name="l02338"></a><span class="lineno"> 2338</span>  netconn_set_recvtimeout(sock->conn, (<span class="keywordtype">int</span>)LWIP_SO_SNDRCVTIMEO_GET_MS(optval));</div>
<div class="line"><a name="l02339"></a><span class="lineno"> 2339</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02340"></a><span class="lineno"> 2340</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVTIMEO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02341"></a><span class="lineno"> 2341</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l02342"></a><span class="lineno"> 2342</span>  <span class="keywordflow">case</span> SO_RCVBUF:</div>
<div class="line"><a name="l02343"></a><span class="lineno"> 2343</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02344"></a><span class="lineno"> 2344</span>  netconn_set_recvbufsize(sock->conn, *(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02345"></a><span class="lineno"> 2345</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02346"></a><span class="lineno"> 2346</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02347"></a><span class="lineno"> 2347</span> <span class="preprocessor">#if LWIP_SO_LINGER</span></div>
<div class="line"><a name="l02348"></a><span class="lineno"> 2348</span>  <span class="keywordflow">case</span> SO_LINGER:</div>
<div class="line"><a name="l02349"></a><span class="lineno"> 2349</span>  {</div>
<div class="line"><a name="l02350"></a><span class="lineno"> 2350</span>  <span class="keyword">const</span> <span class="keyword">struct </span>linger* linger = (<span class="keyword">const</span> <span class="keyword">struct </span>linger*)optval;</div>
<div class="line"><a name="l02351"></a><span class="lineno"> 2351</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN(sock, optlen, <span class="keyword">struct</span> linger);</div>
<div class="line"><a name="l02352"></a><span class="lineno"> 2352</span>  <span class="keywordflow">if</span> (linger->l_onoff) {</div>
<div class="line"><a name="l02353"></a><span class="lineno"> 2353</span>  <span class="keywordtype">int</span> lingersec = linger->l_linger;</div>
<div class="line"><a name="l02354"></a><span class="lineno"> 2354</span>  <span class="keywordflow">if</span> (lingersec < 0) {</div>
<div class="line"><a name="l02355"></a><span class="lineno"> 2355</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>;</div>
<div class="line"><a name="l02356"></a><span class="lineno"> 2356</span>  }</div>
<div class="line"><a name="l02357"></a><span class="lineno"> 2357</span>  <span class="keywordflow">if</span> (lingersec > 0xFFFF) {</div>
<div class="line"><a name="l02358"></a><span class="lineno"> 2358</span>  lingersec = 0xFFFF;</div>
<div class="line"><a name="l02359"></a><span class="lineno"> 2359</span>  }</div>
<div class="line"><a name="l02360"></a><span class="lineno"> 2360</span>  sock->conn->linger = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)lingersec;</div>
<div class="line"><a name="l02361"></a><span class="lineno"> 2361</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02362"></a><span class="lineno"> 2362</span>  sock->conn->linger = -1;</div>
<div class="line"><a name="l02363"></a><span class="lineno"> 2363</span>  }</div>
<div class="line"><a name="l02364"></a><span class="lineno"> 2364</span>  }</div>
<div class="line"><a name="l02365"></a><span class="lineno"> 2365</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02366"></a><span class="lineno"> 2366</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_LINGER */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02367"></a><span class="lineno"> 2367</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l02368"></a><span class="lineno"> 2368</span>  <span class="keywordflow">case</span> SO_NO_CHECK:</div>
<div class="line"><a name="l02369"></a><span class="lineno"> 2369</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <span class="keywordtype">int</span>, NETCONN_UDP);</div>
<div class="line"><a name="l02370"></a><span class="lineno"> 2370</span> <span class="preprocessor">#if LWIP_UDPLITE</span></div>
<div class="line"><a name="l02371"></a><span class="lineno"> 2371</span>  <span class="keywordflow">if</span> ((udp_flags(sock->conn->pcb.udp) & UDP_FLAGS_UDPLITE) != 0) {</div>
<div class="line"><a name="l02372"></a><span class="lineno"> 2372</span>  <span class="comment">/* this flag is only available for UDP, not for UDP lite */</span></div>
<div class="line"><a name="l02373"></a><span class="lineno"> 2373</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a4c3a793b4d51cb7dd020af92e536fe21">EAFNOSUPPORT</a>;</div>
<div class="line"><a name="l02374"></a><span class="lineno"> 2374</span>  }</div>
<div class="line"><a name="l02375"></a><span class="lineno"> 2375</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDPLITE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02376"></a><span class="lineno"> 2376</span>  <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval) {</div>
<div class="line"><a name="l02377"></a><span class="lineno"> 2377</span>  udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_NOCHKSUM);</div>
<div class="line"><a name="l02378"></a><span class="lineno"> 2378</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02379"></a><span class="lineno"> 2379</span>  udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_NOCHKSUM);</div>
<div class="line"><a name="l02380"></a><span class="lineno"> 2380</span>  }</div>
<div class="line"><a name="l02381"></a><span class="lineno"> 2381</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02382"></a><span class="lineno"> 2382</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02383"></a><span class="lineno"> 2383</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02384"></a><span class="lineno"> 2384</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, SOL_SOCKET, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02385"></a><span class="lineno"> 2385</span>  s, optname));</div>
<div class="line"><a name="l02386"></a><span class="lineno"> 2386</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02387"></a><span class="lineno"> 2387</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02388"></a><span class="lineno"> 2388</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02389"></a><span class="lineno"> 2389</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02390"></a><span class="lineno"> 2390</span>  </div>
<div class="line"><a name="l02391"></a><span class="lineno"> 2391</span> <span class="comment">/* Level: IPPROTO_IP */</span></div>
<div class="line"><a name="l02392"></a><span class="lineno"> 2392</span>  <span class="keywordflow">case</span> IPPROTO_IP:</div>
<div class="line"><a name="l02393"></a><span class="lineno"> 2393</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02394"></a><span class="lineno"> 2394</span>  <span class="keywordflow">case</span> IP_TTL:</div>
<div class="line"><a name="l02395"></a><span class="lineno"> 2395</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02396"></a><span class="lineno"> 2396</span>  sock->conn->pcb.ip->ttl = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>)(*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02397"></a><span class="lineno"> 2397</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_IP, IP_TTL, ..) -> %d\n"</span>,</div>
<div class="line"><a name="l02398"></a><span class="lineno"> 2398</span>  s, sock->conn->pcb.ip->ttl));</div>
<div class="line"><a name="l02399"></a><span class="lineno"> 2399</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02400"></a><span class="lineno"> 2400</span>  <span class="keywordflow">case</span> IP_TOS:</div>
<div class="line"><a name="l02401"></a><span class="lineno"> 2401</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02402"></a><span class="lineno"> 2402</span>  sock->conn->pcb.ip->tos = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>)(*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02403"></a><span class="lineno"> 2403</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_IP, IP_TOS, ..)-> %d\n"</span>,</div>
<div class="line"><a name="l02404"></a><span class="lineno"> 2404</span>  s, sock->conn->pcb.ip->tos));</div>
<div class="line"><a name="l02405"></a><span class="lineno"> 2405</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02406"></a><span class="lineno"> 2406</span> <span class="preprocessor">#if LWIP_MULTICAST_TX_OPTIONS</span></div>
<div class="line"><a name="l02407"></a><span class="lineno"> 2407</span>  <span class="keywordflow">case</span> IP_MULTICAST_TTL:</div>
<div class="line"><a name="l02408"></a><span class="lineno"> 2408</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>, NETCONN_UDP);</div>
<div class="line"><a name="l02409"></a><span class="lineno"> 2409</span>  udp_set_multicast_ttl(sock->conn->pcb.udp, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>)(*(<span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)optval));</div>
<div class="line"><a name="l02410"></a><span class="lineno"> 2410</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02411"></a><span class="lineno"> 2411</span>  <span class="keywordflow">case</span> IP_MULTICAST_IF:</div>
<div class="line"><a name="l02412"></a><span class="lineno"> 2412</span>  {</div>
<div class="line"><a name="l02413"></a><span class="lineno"> 2413</span>  ip4_addr_t if_addr;</div>
<div class="line"><a name="l02414"></a><span class="lineno"> 2414</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <span class="keyword">struct</span> <a class="code" href="../../da/d7e/structin__addr.html">in_addr</a>, NETCONN_UDP);</div>
<div class="line"><a name="l02415"></a><span class="lineno"> 2415</span>  inet_addr_to_ip4addr(&if_addr, (<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="../../da/d7e/structin__addr.html">in_addr</a>*)optval);</div>
<div class="line"><a name="l02416"></a><span class="lineno"> 2416</span>  udp_set_multicast_netif_addr(sock->conn->pcb.udp, &if_addr);</div>
<div class="line"><a name="l02417"></a><span class="lineno"> 2417</span>  }</div>
<div class="line"><a name="l02418"></a><span class="lineno"> 2418</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02419"></a><span class="lineno"> 2419</span>  <span class="keywordflow">case</span> IP_MULTICAST_LOOP:</div>
<div class="line"><a name="l02420"></a><span class="lineno"> 2420</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>, NETCONN_UDP);</div>
<div class="line"><a name="l02421"></a><span class="lineno"> 2421</span>  <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a>*)optval) {</div>
<div class="line"><a name="l02422"></a><span class="lineno"> 2422</span>  udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) | UDP_FLAGS_MULTICAST_LOOP);</div>
<div class="line"><a name="l02423"></a><span class="lineno"> 2423</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02424"></a><span class="lineno"> 2424</span>  udp_setflags(sock->conn->pcb.udp, udp_flags(sock->conn->pcb.udp) & ~UDP_FLAGS_MULTICAST_LOOP);</div>
<div class="line"><a name="l02425"></a><span class="lineno"> 2425</span>  }</div>
<div class="line"><a name="l02426"></a><span class="lineno"> 2426</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02427"></a><span class="lineno"> 2427</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_MULTICAST_TX_OPTIONS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02428"></a><span class="lineno"> 2428</span> <span class="preprocessor">#if LWIP_IGMP</span></div>
<div class="line"><a name="l02429"></a><span class="lineno"> 2429</span>  <span class="keywordflow">case</span> IP_ADD_MEMBERSHIP:</div>
<div class="line"><a name="l02430"></a><span class="lineno"> 2430</span>  <span class="keywordflow">case</span> IP_DROP_MEMBERSHIP:</div>
<div class="line"><a name="l02431"></a><span class="lineno"> 2431</span>  {</div>
<div class="line"><a name="l02432"></a><span class="lineno"> 2432</span>  <span class="comment">/* If this is a TCP or a RAW socket, ignore these options. */</span></div>
<div class="line"><a name="l02433"></a><span class="lineno"> 2433</span>  <span class="comment">/* @todo: assign membership to this socket so that it is dropped when closing the socket */</span></div>
<div class="line"><a name="l02434"></a><span class="lineno"> 2434</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> igmp_err;</div>
<div class="line"><a name="l02435"></a><span class="lineno"> 2435</span>  <span class="keyword">const</span> <span class="keyword">struct </span>ip_mreq *imr = (<span class="keyword">const</span> <span class="keyword">struct </span>ip_mreq *)optval;</div>
<div class="line"><a name="l02436"></a><span class="lineno"> 2436</span>  ip4_addr_t if_addr;</div>
<div class="line"><a name="l02437"></a><span class="lineno"> 2437</span>  ip4_addr_t multi_addr;</div>
<div class="line"><a name="l02438"></a><span class="lineno"> 2438</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <span class="keyword">struct</span> ip_mreq, NETCONN_UDP);</div>
<div class="line"><a name="l02439"></a><span class="lineno"> 2439</span>  inet_addr_to_ip4addr(&if_addr, &imr->imr_interface);</div>
<div class="line"><a name="l02440"></a><span class="lineno"> 2440</span>  inet_addr_to_ip4addr(&multi_addr, &imr->imr_multiaddr);</div>
<div class="line"><a name="l02441"></a><span class="lineno"> 2441</span>  <span class="keywordflow">if</span> (optname == IP_ADD_MEMBERSHIP) {</div>
<div class="line"><a name="l02442"></a><span class="lineno"> 2442</span>  <span class="keywordflow">if</span> (!lwip_socket_register_membership(s, &if_addr, &multi_addr)) {</div>
<div class="line"><a name="l02443"></a><span class="lineno"> 2443</span>  <span class="comment">/* cannot track membership (out of memory) */</span></div>
<div class="line"><a name="l02444"></a><span class="lineno"> 2444</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#a6a05c923dad0c1208043e9c20a58c8e5">ENOMEM</a>;</div>
<div class="line"><a name="l02445"></a><span class="lineno"> 2445</span>  igmp_err = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l02446"></a><span class="lineno"> 2446</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02447"></a><span class="lineno"> 2447</span>  igmp_err = igmp_joingroup(&if_addr, &multi_addr);</div>
<div class="line"><a name="l02448"></a><span class="lineno"> 2448</span>  }</div>
<div class="line"><a name="l02449"></a><span class="lineno"> 2449</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02450"></a><span class="lineno"> 2450</span>  igmp_err = igmp_leavegroup(&if_addr, &multi_addr);</div>
<div class="line"><a name="l02451"></a><span class="lineno"> 2451</span>  lwip_socket_unregister_membership(s, &if_addr, &multi_addr);</div>
<div class="line"><a name="l02452"></a><span class="lineno"> 2452</span>  }</div>
<div class="line"><a name="l02453"></a><span class="lineno"> 2453</span>  <span class="keywordflow">if</span> (igmp_err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l02454"></a><span class="lineno"> 2454</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#a556612e55358838192165684c971a44f">EADDRNOTAVAIL</a>;</div>
<div class="line"><a name="l02455"></a><span class="lineno"> 2455</span>  }</div>
<div class="line"><a name="l02456"></a><span class="lineno"> 2456</span>  }</div>
<div class="line"><a name="l02457"></a><span class="lineno"> 2457</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02458"></a><span class="lineno"> 2458</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02459"></a><span class="lineno"> 2459</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02460"></a><span class="lineno"> 2460</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_IP, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02461"></a><span class="lineno"> 2461</span>  s, optname));</div>
<div class="line"><a name="l02462"></a><span class="lineno"> 2462</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02463"></a><span class="lineno"> 2463</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02464"></a><span class="lineno"> 2464</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02465"></a><span class="lineno"> 2465</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02466"></a><span class="lineno"> 2466</span>  </div>
<div class="line"><a name="l02467"></a><span class="lineno"> 2467</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l02468"></a><span class="lineno"> 2468</span> <span class="comment">/* Level: IPPROTO_TCP */</span></div>
<div class="line"><a name="l02469"></a><span class="lineno"> 2469</span>  <span class="keywordflow">case</span> IPPROTO_TCP:</div>
<div class="line"><a name="l02470"></a><span class="lineno"> 2470</span>  <span class="comment">/* Special case: all IPPROTO_TCP option take an int */</span></div>
<div class="line"><a name="l02471"></a><span class="lineno"> 2471</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <span class="keywordtype">int</span>, NETCONN_TCP);</div>
<div class="line"><a name="l02472"></a><span class="lineno"> 2472</span>  <span class="keywordflow">if</span> (sock->conn->pcb.tcp->state == LISTEN) {</div>
<div class="line"><a name="l02473"></a><span class="lineno"> 2473</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>;</div>
<div class="line"><a name="l02474"></a><span class="lineno"> 2474</span>  }</div>
<div class="line"><a name="l02475"></a><span class="lineno"> 2475</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02476"></a><span class="lineno"> 2476</span>  <span class="keywordflow">case</span> TCP_NODELAY:</div>
<div class="line"><a name="l02477"></a><span class="lineno"> 2477</span>  <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval) {</div>
<div class="line"><a name="l02478"></a><span class="lineno"> 2478</span>  tcp_nagle_disable(sock->conn->pcb.tcp);</div>
<div class="line"><a name="l02479"></a><span class="lineno"> 2479</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02480"></a><span class="lineno"> 2480</span>  tcp_nagle_enable(sock->conn->pcb.tcp);</div>
<div class="line"><a name="l02481"></a><span class="lineno"> 2481</span>  }</div>
<div class="line"><a name="l02482"></a><span class="lineno"> 2482</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_TCP, TCP_NODELAY) -> %s\n"</span>,</div>
<div class="line"><a name="l02483"></a><span class="lineno"> 2483</span>  s, (*(<span class="keyword">const</span> <span class="keywordtype">int</span> *)optval)?<span class="stringliteral">"on"</span>:<span class="stringliteral">"off"</span>) );</div>
<div class="line"><a name="l02484"></a><span class="lineno"> 2484</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02485"></a><span class="lineno"> 2485</span>  <span class="keywordflow">case</span> TCP_KEEPALIVE:</div>
<div class="line"><a name="l02486"></a><span class="lineno"> 2486</span>  sock->conn->pcb.tcp->keep_idle = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a>)(*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02487"></a><span class="lineno"> 2487</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPALIVE) -> %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l02488"></a><span class="lineno"> 2488</span>  s, sock->conn->pcb.tcp->keep_idle));</div>
<div class="line"><a name="l02489"></a><span class="lineno"> 2489</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02490"></a><span class="lineno"> 2490</span>  </div>
<div class="line"><a name="l02491"></a><span class="lineno"> 2491</span> <span class="preprocessor">#if LWIP_TCP_KEEPALIVE</span></div>
<div class="line"><a name="l02492"></a><span class="lineno"> 2492</span>  <span class="keywordflow">case</span> TCP_KEEPIDLE:</div>
<div class="line"><a name="l02493"></a><span class="lineno"> 2493</span>  sock->conn->pcb.tcp->keep_idle = 1000*(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a>)(*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02494"></a><span class="lineno"> 2494</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPIDLE) -> %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l02495"></a><span class="lineno"> 2495</span>  s, sock->conn->pcb.tcp->keep_idle));</div>
<div class="line"><a name="l02496"></a><span class="lineno"> 2496</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02497"></a><span class="lineno"> 2497</span>  <span class="keywordflow">case</span> TCP_KEEPINTVL:</div>
<div class="line"><a name="l02498"></a><span class="lineno"> 2498</span>  sock->conn->pcb.tcp->keep_intvl = 1000*(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a>)(*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02499"></a><span class="lineno"> 2499</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPINTVL) -> %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l02500"></a><span class="lineno"> 2500</span>  s, sock->conn->pcb.tcp->keep_intvl));</div>
<div class="line"><a name="l02501"></a><span class="lineno"> 2501</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02502"></a><span class="lineno"> 2502</span>  <span class="keywordflow">case</span> TCP_KEEPCNT:</div>
<div class="line"><a name="l02503"></a><span class="lineno"> 2503</span>  sock->conn->pcb.tcp->keep_cnt = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a>)(*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval);</div>
<div class="line"><a name="l02504"></a><span class="lineno"> 2504</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_TCP, TCP_KEEPCNT) -> %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l02505"></a><span class="lineno"> 2505</span>  s, sock->conn->pcb.tcp->keep_cnt));</div>
<div class="line"><a name="l02506"></a><span class="lineno"> 2506</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02507"></a><span class="lineno"> 2507</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP_KEEPALIVE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02508"></a><span class="lineno"> 2508</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02509"></a><span class="lineno"> 2509</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_TCP, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02510"></a><span class="lineno"> 2510</span>  s, optname));</div>
<div class="line"><a name="l02511"></a><span class="lineno"> 2511</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02512"></a><span class="lineno"> 2512</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02513"></a><span class="lineno"> 2513</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02514"></a><span class="lineno"> 2514</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02515"></a><span class="lineno"> 2515</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02516"></a><span class="lineno"> 2516</span>  </div>
<div class="line"><a name="l02517"></a><span class="lineno"> 2517</span> <span class="preprocessor">#if LWIP_IPV6</span></div>
<div class="line"><a name="l02518"></a><span class="lineno"> 2518</span> <span class="comment">/* Level: IPPROTO_IPV6 */</span></div>
<div class="line"><a name="l02519"></a><span class="lineno"> 2519</span>  <span class="keywordflow">case</span> IPPROTO_IPV6:</div>
<div class="line"><a name="l02520"></a><span class="lineno"> 2520</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02521"></a><span class="lineno"> 2521</span>  <span class="keywordflow">case</span> IPV6_V6ONLY:</div>
<div class="line"><a name="l02522"></a><span class="lineno"> 2522</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <span class="keywordtype">int</span>, NETCONN_TCP);</div>
<div class="line"><a name="l02523"></a><span class="lineno"> 2523</span>  <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval) {</div>
<div class="line"><a name="l02524"></a><span class="lineno"> 2524</span>  netconn_set_ipv6only(sock->conn, 1);</div>
<div class="line"><a name="l02525"></a><span class="lineno"> 2525</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02526"></a><span class="lineno"> 2526</span>  netconn_set_ipv6only(sock->conn, 0);</div>
<div class="line"><a name="l02527"></a><span class="lineno"> 2527</span>  }</div>
<div class="line"><a name="l02528"></a><span class="lineno"> 2528</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_IPV6, IPV6_V6ONLY, ..) -> %d\n"</span>,</div>
<div class="line"><a name="l02529"></a><span class="lineno"> 2529</span>  s, (netconn_get_ipv6only(sock->conn) ? 1 : 0)));</div>
<div class="line"><a name="l02530"></a><span class="lineno"> 2530</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02531"></a><span class="lineno"> 2531</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02532"></a><span class="lineno"> 2532</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_IPV6, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02533"></a><span class="lineno"> 2533</span>  s, optname));</div>
<div class="line"><a name="l02534"></a><span class="lineno"> 2534</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02535"></a><span class="lineno"> 2535</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02536"></a><span class="lineno"> 2536</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02537"></a><span class="lineno"> 2537</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02538"></a><span class="lineno"> 2538</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02539"></a><span class="lineno"> 2539</span>  </div>
<div class="line"><a name="l02540"></a><span class="lineno"> 2540</span> <span class="preprocessor">#if LWIP_UDP && LWIP_UDPLITE</span></div>
<div class="line"><a name="l02541"></a><span class="lineno"> 2541</span>  <span class="comment">/* Level: IPPROTO_UDPLITE */</span></div>
<div class="line"><a name="l02542"></a><span class="lineno"> 2542</span>  <span class="keywordflow">case</span> IPPROTO_UDPLITE:</div>
<div class="line"><a name="l02543"></a><span class="lineno"> 2543</span>  <span class="comment">/* Special case: all IPPROTO_UDPLITE option take an int */</span></div>
<div class="line"><a name="l02544"></a><span class="lineno"> 2544</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB(sock, optlen, <span class="keywordtype">int</span>);</div>
<div class="line"><a name="l02545"></a><span class="lineno"> 2545</span>  <span class="comment">/* If this is no UDP lite socket, ignore any options. */</span></div>
<div class="line"><a name="l02546"></a><span class="lineno"> 2546</span>  <span class="keywordflow">if</span> (!NETCONNTYPE_ISUDPLITE(netconn_type(sock->conn))) {</div>
<div class="line"><a name="l02547"></a><span class="lineno"> 2547</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02548"></a><span class="lineno"> 2548</span>  }</div>
<div class="line"><a name="l02549"></a><span class="lineno"> 2549</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02550"></a><span class="lineno"> 2550</span>  <span class="keywordflow">case</span> UDPLITE_SEND_CSCOV:</div>
<div class="line"><a name="l02551"></a><span class="lineno"> 2551</span>  <span class="keywordflow">if</span> ((*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval != 0) && ((*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval < 8) || (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval > 0xffff))) {</div>
<div class="line"><a name="l02552"></a><span class="lineno"> 2552</span>  <span class="comment">/* don't allow illegal values! */</span></div>
<div class="line"><a name="l02553"></a><span class="lineno"> 2553</span>  sock->conn->pcb.udp->chksum_len_tx = 8;</div>
<div class="line"><a name="l02554"></a><span class="lineno"> 2554</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02555"></a><span class="lineno"> 2555</span>  sock->conn->pcb.udp->chksum_len_tx = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval;</div>
<div class="line"><a name="l02556"></a><span class="lineno"> 2556</span>  }</div>
<div class="line"><a name="l02557"></a><span class="lineno"> 2557</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_SEND_CSCOV) -> %d\n"</span>,</div>
<div class="line"><a name="l02558"></a><span class="lineno"> 2558</span>  s, (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval)) );</div>
<div class="line"><a name="l02559"></a><span class="lineno"> 2559</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02560"></a><span class="lineno"> 2560</span>  <span class="keywordflow">case</span> UDPLITE_RECV_CSCOV:</div>
<div class="line"><a name="l02561"></a><span class="lineno"> 2561</span>  <span class="keywordflow">if</span> ((*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval != 0) && ((*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval < 8) || (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval > 0xffff))) {</div>
<div class="line"><a name="l02562"></a><span class="lineno"> 2562</span>  <span class="comment">/* don't allow illegal values! */</span></div>
<div class="line"><a name="l02563"></a><span class="lineno"> 2563</span>  sock->conn->pcb.udp->chksum_len_rx = 8;</div>
<div class="line"><a name="l02564"></a><span class="lineno"> 2564</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02565"></a><span class="lineno"> 2565</span>  sock->conn->pcb.udp->chksum_len_rx = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval;</div>
<div class="line"><a name="l02566"></a><span class="lineno"> 2566</span>  }</div>
<div class="line"><a name="l02567"></a><span class="lineno"> 2567</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_UDPLITE, UDPLITE_RECV_CSCOV) -> %d\n"</span>,</div>
<div class="line"><a name="l02568"></a><span class="lineno"> 2568</span>  s, (*(<span class="keyword">const</span> <span class="keywordtype">int</span>*)optval)) );</div>
<div class="line"><a name="l02569"></a><span class="lineno"> 2569</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02570"></a><span class="lineno"> 2570</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02571"></a><span class="lineno"> 2571</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_UDPLITE, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02572"></a><span class="lineno"> 2572</span>  s, optname));</div>
<div class="line"><a name="l02573"></a><span class="lineno"> 2573</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02574"></a><span class="lineno"> 2574</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02575"></a><span class="lineno"> 2575</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02576"></a><span class="lineno"> 2576</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02577"></a><span class="lineno"> 2577</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02578"></a><span class="lineno"> 2578</span>  <span class="comment">/* Level: IPPROTO_RAW */</span></div>
<div class="line"><a name="l02579"></a><span class="lineno"> 2579</span>  <span class="keywordflow">case</span> IPPROTO_RAW:</div>
<div class="line"><a name="l02580"></a><span class="lineno"> 2580</span>  <span class="keywordflow">switch</span> (optname) {</div>
<div class="line"><a name="l02581"></a><span class="lineno"> 2581</span> <span class="preprocessor">#if LWIP_IPV6 && LWIP_RAW</span></div>
<div class="line"><a name="l02582"></a><span class="lineno"> 2582</span>  <span class="keywordflow">case</span> IPV6_CHECKSUM:</div>
<div class="line"><a name="l02583"></a><span class="lineno"> 2583</span>  <span class="comment">/* It should not be possible to disable the checksum generation with ICMPv6</span></div>
<div class="line"><a name="l02584"></a><span class="lineno"> 2584</span> <span class="comment"> * as per RFC 3542 chapter 3.1 */</span></div>
<div class="line"><a name="l02585"></a><span class="lineno"> 2585</span>  <span class="keywordflow">if</span>(sock->conn->pcb.raw->protocol == IPPROTO_ICMPV6) {</div>
<div class="line"><a name="l02586"></a><span class="lineno"> 2586</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>;</div>
<div class="line"><a name="l02587"></a><span class="lineno"> 2587</span>  }</div>
<div class="line"><a name="l02588"></a><span class="lineno"> 2588</span>  </div>
<div class="line"><a name="l02589"></a><span class="lineno"> 2589</span>  LWIP_SOCKOPT_CHECK_OPTLEN_CONN_PCB_TYPE(sock, optlen, <span class="keywordtype">int</span>, NETCONN_RAW);</div>
<div class="line"><a name="l02590"></a><span class="lineno"> 2590</span>  <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <span class="keywordtype">int</span> *)optval < 0) {</div>
<div class="line"><a name="l02591"></a><span class="lineno"> 2591</span>  sock->conn->pcb.raw->chksum_reqd = 0;</div>
<div class="line"><a name="l02592"></a><span class="lineno"> 2592</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*(<span class="keyword">const</span> <span class="keywordtype">int</span> *)optval & 1) {</div>
<div class="line"><a name="l02593"></a><span class="lineno"> 2593</span>  <span class="comment">/* Per RFC3542, odd offsets are not allowed */</span></div>
<div class="line"><a name="l02594"></a><span class="lineno"> 2594</span>  <span class="keywordflow">return</span> <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>;</div>
<div class="line"><a name="l02595"></a><span class="lineno"> 2595</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02596"></a><span class="lineno"> 2596</span>  sock->conn->pcb.raw->chksum_reqd = 1;</div>
<div class="line"><a name="l02597"></a><span class="lineno"> 2597</span>  sock->conn->pcb.raw->chksum_offset = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)*(<span class="keyword">const</span> <span class="keywordtype">int</span> *)optval;</div>
<div class="line"><a name="l02598"></a><span class="lineno"> 2598</span>  }</div>
<div class="line"><a name="l02599"></a><span class="lineno"> 2599</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_RAW, IPV6_CHECKSUM, ..) -> %d\n"</span>,</div>
<div class="line"><a name="l02600"></a><span class="lineno"> 2600</span>  s, sock->conn->pcb.raw->chksum_reqd));</div>
<div class="line"><a name="l02601"></a><span class="lineno"> 2601</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02602"></a><span class="lineno"> 2602</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 && LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02603"></a><span class="lineno"> 2603</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02604"></a><span class="lineno"> 2604</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, IPPROTO_RAW, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02605"></a><span class="lineno"> 2605</span>  s, optname));</div>
<div class="line"><a name="l02606"></a><span class="lineno"> 2606</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02607"></a><span class="lineno"> 2607</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02608"></a><span class="lineno"> 2608</span>  } <span class="comment">/* switch (optname) */</span></div>
<div class="line"><a name="l02609"></a><span class="lineno"> 2609</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02610"></a><span class="lineno"> 2610</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02611"></a><span class="lineno"> 2611</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_setsockopt(%d, level=0x%x, UNIMPL: optname=0x%x, ..)\n"</span>,</div>
<div class="line"><a name="l02612"></a><span class="lineno"> 2612</span>  s, level, optname));</div>
<div class="line"><a name="l02613"></a><span class="lineno"> 2613</span>  err = <a class="code" href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a>;</div>
<div class="line"><a name="l02614"></a><span class="lineno"> 2614</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02615"></a><span class="lineno"> 2615</span>  } <span class="comment">/* switch (level) */</span></div>
<div class="line"><a name="l02616"></a><span class="lineno"> 2616</span>  </div>
<div class="line"><a name="l02617"></a><span class="lineno"> 2617</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l02618"></a><span class="lineno"> 2618</span> }</div>
<div class="line"><a name="l02619"></a><span class="lineno"> 2619</span>  </div>
<div class="line"><a name="l02620"></a><span class="lineno"> 2620</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l02621"></a><span class="lineno"> 2621</span> lwip_ioctl(<span class="keywordtype">int</span> s, <span class="keywordtype">long</span> cmd, <span class="keywordtype">void</span> *argp)</div>
<div class="line"><a name="l02622"></a><span class="lineno"> 2622</span> {</div>
<div class="line"><a name="l02623"></a><span class="lineno"> 2623</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l02624"></a><span class="lineno"> 2624</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> val;</div>
<div class="line"><a name="l02625"></a><span class="lineno"> 2625</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l02626"></a><span class="lineno"> 2626</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> buflen = 0;</div>
<div class="line"><a name="l02627"></a><span class="lineno"> 2627</span>  <span class="keywordtype">int</span> recv_avail;</div>
<div class="line"><a name="l02628"></a><span class="lineno"> 2628</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02629"></a><span class="lineno"> 2629</span>  </div>
<div class="line"><a name="l02630"></a><span class="lineno"> 2630</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02631"></a><span class="lineno"> 2631</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02632"></a><span class="lineno"> 2632</span>  }</div>
<div class="line"><a name="l02633"></a><span class="lineno"> 2633</span>  </div>
<div class="line"><a name="l02634"></a><span class="lineno"> 2634</span>  <span class="keywordflow">switch</span> (cmd) {</div>
<div class="line"><a name="l02635"></a><span class="lineno"> 2635</span> <span class="preprocessor">#if LWIP_SO_RCVBUF || LWIP_FIONREAD_LINUXMODE</span></div>
<div class="line"><a name="l02636"></a><span class="lineno"> 2636</span>  <span class="keywordflow">case</span> FIONREAD:</div>
<div class="line"><a name="l02637"></a><span class="lineno"> 2637</span>  <span class="keywordflow">if</span> (!argp) {</div>
<div class="line"><a name="l02638"></a><span class="lineno"> 2638</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a>);</div>
<div class="line"><a name="l02639"></a><span class="lineno"> 2639</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02640"></a><span class="lineno"> 2640</span>  }</div>
<div class="line"><a name="l02641"></a><span class="lineno"> 2641</span> <span class="preprocessor">#if LWIP_FIONREAD_LINUXMODE</span></div>
<div class="line"><a name="l02642"></a><span class="lineno"> 2642</span>  <span class="keywordflow">if</span> (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_TCP) {</div>
<div class="line"><a name="l02643"></a><span class="lineno"> 2643</span>  <span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p;</div>
<div class="line"><a name="l02644"></a><span class="lineno"> 2644</span>  <span class="keywordflow">if</span> (sock->lastdata) {</div>
<div class="line"><a name="l02645"></a><span class="lineno"> 2645</span>  p = ((<span class="keyword">struct </span>netbuf *)sock->lastdata)->p;</div>
<div class="line"><a name="l02646"></a><span class="lineno"> 2646</span>  *((<span class="keywordtype">int</span>*)argp) = p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a> - sock->lastoffset;</div>
<div class="line"><a name="l02647"></a><span class="lineno"> 2647</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02648"></a><span class="lineno"> 2648</span>  <span class="keyword">struct </span>netbuf *rxbuf;</div>
<div class="line"><a name="l02649"></a><span class="lineno"> 2649</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l02650"></a><span class="lineno"> 2650</span>  <span class="keywordflow">if</span> (sock->rcvevent <= 0) {</div>
<div class="line"><a name="l02651"></a><span class="lineno"> 2651</span>  *((<span class="keywordtype">int</span>*)argp) = 0;</div>
<div class="line"><a name="l02652"></a><span class="lineno"> 2652</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02653"></a><span class="lineno"> 2653</span>  err = netconn_recv(sock->conn, &rxbuf);</div>
<div class="line"><a name="l02654"></a><span class="lineno"> 2654</span>  <span class="keywordflow">if</span> (err != <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l02655"></a><span class="lineno"> 2655</span>  *((<span class="keywordtype">int</span>*)argp) = 0;</div>
<div class="line"><a name="l02656"></a><span class="lineno"> 2656</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02657"></a><span class="lineno"> 2657</span>  sock->lastdata = rxbuf;</div>
<div class="line"><a name="l02658"></a><span class="lineno"> 2658</span>  sock->lastoffset = 0;</div>
<div class="line"><a name="l02659"></a><span class="lineno"> 2659</span>  *((<span class="keywordtype">int</span>*)argp) = rxbuf->p->tot_len;</div>
<div class="line"><a name="l02660"></a><span class="lineno"> 2660</span>  }</div>
<div class="line"><a name="l02661"></a><span class="lineno"> 2661</span>  }</div>
<div class="line"><a name="l02662"></a><span class="lineno"> 2662</span>  }</div>
<div class="line"><a name="l02663"></a><span class="lineno"> 2663</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l02664"></a><span class="lineno"> 2664</span>  }</div>
<div class="line"><a name="l02665"></a><span class="lineno"> 2665</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_FIONREAD_LINUXMODE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02666"></a><span class="lineno"> 2666</span>  </div>
<div class="line"><a name="l02667"></a><span class="lineno"> 2667</span> <span class="preprocessor">#if LWIP_SO_RCVBUF</span></div>
<div class="line"><a name="l02668"></a><span class="lineno"> 2668</span>  <span class="comment">/* we come here if either LWIP_FIONREAD_LINUXMODE==0 or this is a TCP socket */</span></div>
<div class="line"><a name="l02669"></a><span class="lineno"> 2669</span>  <a class="code" href="../../d9/d87/sys_8h.html#a0da95147531964d619be7744c7169986">SYS_ARCH_GET</a>(sock->conn->recv_avail, recv_avail);</div>
<div class="line"><a name="l02670"></a><span class="lineno"> 2670</span>  <span class="keywordflow">if</span> (recv_avail < 0) {</div>
<div class="line"><a name="l02671"></a><span class="lineno"> 2671</span>  recv_avail = 0;</div>
<div class="line"><a name="l02672"></a><span class="lineno"> 2672</span>  }</div>
<div class="line"><a name="l02673"></a><span class="lineno"> 2673</span>  *((<span class="keywordtype">int</span>*)argp) = recv_avail;</div>
<div class="line"><a name="l02674"></a><span class="lineno"> 2674</span>  </div>
<div class="line"><a name="l02675"></a><span class="lineno"> 2675</span>  <span class="comment">/* Check if there is data left from the last recv operation. /maq 041215 */</span></div>
<div class="line"><a name="l02676"></a><span class="lineno"> 2676</span>  <span class="keywordflow">if</span> (sock->lastdata) {</div>
<div class="line"><a name="l02677"></a><span class="lineno"> 2677</span>  <span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p = (<span class="keyword">struct </span><a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *)sock->lastdata;</div>
<div class="line"><a name="l02678"></a><span class="lineno"> 2678</span>  if (NETCONNTYPE_GROUP(netconn_type(sock->conn)) != NETCONN_TCP) {</div>
<div class="line"><a name="l02679"></a><span class="lineno"> 2679</span>  p = ((<span class="keyword">struct </span>netbuf *)p)->p;</div>
<div class="line"><a name="l02680"></a><span class="lineno"> 2680</span>  }</div>
<div class="line"><a name="l02681"></a><span class="lineno"> 2681</span>  buflen = p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>;</div>
<div class="line"><a name="l02682"></a><span class="lineno"> 2682</span>  buflen -= sock->lastoffset;</div>
<div class="line"><a name="l02683"></a><span class="lineno"> 2683</span>  </div>
<div class="line"><a name="l02684"></a><span class="lineno"> 2684</span>  *((<span class="keywordtype">int</span>*)argp) += buflen;</div>
<div class="line"><a name="l02685"></a><span class="lineno"> 2685</span>  }</div>
<div class="line"><a name="l02686"></a><span class="lineno"> 2686</span>  </div>
<div class="line"><a name="l02687"></a><span class="lineno"> 2687</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_ioctl(%d, FIONREAD, %p) = %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, s, argp, *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>*)argp)));</div>
<div class="line"><a name="l02688"></a><span class="lineno"> 2688</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l02689"></a><span class="lineno"> 2689</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l02690"></a><span class="lineno"> 2690</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02691"></a><span class="lineno"> 2691</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02692"></a><span class="lineno"> 2692</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02693"></a><span class="lineno"> 2693</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SO_RCVBUF || LWIP_FIONREAD_LINUXMODE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02694"></a><span class="lineno"> 2694</span>  </div>
<div class="line"><a name="l02695"></a><span class="lineno"> 2695</span>  <span class="keywordflow">case</span> (<span class="keywordtype">long</span>)FIONBIO:</div>
<div class="line"><a name="l02696"></a><span class="lineno"> 2696</span>  val = 0;</div>
<div class="line"><a name="l02697"></a><span class="lineno"> 2697</span>  <span class="keywordflow">if</span> (argp && *(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a>*)argp) {</div>
<div class="line"><a name="l02698"></a><span class="lineno"> 2698</span>  val = 1;</div>
<div class="line"><a name="l02699"></a><span class="lineno"> 2699</span>  }</div>
<div class="line"><a name="l02700"></a><span class="lineno"> 2700</span>  netconn_set_nonblocking(sock->conn, val);</div>
<div class="line"><a name="l02701"></a><span class="lineno"> 2701</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_ioctl(%d, FIONBIO, %d)\n"</span>, s, val));</div>
<div class="line"><a name="l02702"></a><span class="lineno"> 2702</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l02703"></a><span class="lineno"> 2703</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l02704"></a><span class="lineno"> 2704</span>  </div>
<div class="line"><a name="l02705"></a><span class="lineno"> 2705</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02706"></a><span class="lineno"> 2706</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02707"></a><span class="lineno"> 2707</span>  } <span class="comment">/* switch (cmd) */</span></div>
<div class="line"><a name="l02708"></a><span class="lineno"> 2708</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_ioctl(%d, UNIMPL: 0x%lx, %p)\n"</span>, s, cmd, argp));</div>
<div class="line"><a name="l02709"></a><span class="lineno"> 2709</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a43785b9969e0bd1af532dbde06c5540b">ENOSYS</a>); <span class="comment">/* not yet implemented */</span></div>
<div class="line"><a name="l02710"></a><span class="lineno"> 2710</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02711"></a><span class="lineno"> 2711</span> }</div>
<div class="line"><a name="l02712"></a><span class="lineno"> 2712</span>  </div>
<div class="line"><a name="l02717"></a><span class="lineno"> 2717</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l02718"></a><span class="lineno"> 2718</span> lwip_fcntl(<span class="keywordtype">int</span> s, <span class="keywordtype">int</span> cmd, <span class="keywordtype">int</span> val)</div>
<div class="line"><a name="l02719"></a><span class="lineno"> 2719</span> {</div>
<div class="line"><a name="l02720"></a><span class="lineno"> 2720</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l02721"></a><span class="lineno"> 2721</span>  <span class="keywordtype">int</span> ret = -1;</div>
<div class="line"><a name="l02722"></a><span class="lineno"> 2722</span>  </div>
<div class="line"><a name="l02723"></a><span class="lineno"> 2723</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02724"></a><span class="lineno"> 2724</span>  <span class="keywordflow">return</span> -1;</div>
<div class="line"><a name="l02725"></a><span class="lineno"> 2725</span>  }</div>
<div class="line"><a name="l02726"></a><span class="lineno"> 2726</span>  </div>
<div class="line"><a name="l02727"></a><span class="lineno"> 2727</span>  <span class="keywordflow">switch</span> (cmd) {</div>
<div class="line"><a name="l02728"></a><span class="lineno"> 2728</span>  <span class="keywordflow">case</span> <a class="code" href="../../d7/d9f/fcntl_8h.html#a025fad21a889c79f02ec53abe3526c32">F_GETFL</a>:</div>
<div class="line"><a name="l02729"></a><span class="lineno"> 2729</span>  ret = netconn_is_nonblocking(sock->conn) ? <a class="code" href="../../d7/d9f/fcntl_8h.html#a39d33ce33804efd4d52606d59071c6d8">O_NONBLOCK</a> : 0;</div>
<div class="line"><a name="l02730"></a><span class="lineno"> 2730</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l02731"></a><span class="lineno"> 2731</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02732"></a><span class="lineno"> 2732</span>  <span class="keywordflow">case</span> <a class="code" href="../../d7/d9f/fcntl_8h.html#af2939853c650561d3495ed40f68f6249">F_SETFL</a>:</div>
<div class="line"><a name="l02733"></a><span class="lineno"> 2733</span>  <span class="keywordflow">if</span> ((val & ~<a class="code" href="../../d7/d9f/fcntl_8h.html#a39d33ce33804efd4d52606d59071c6d8">O_NONBLOCK</a>) == 0) {</div>
<div class="line"><a name="l02734"></a><span class="lineno"> 2734</span>  <span class="comment">/* only O_NONBLOCK, all other bits are zero */</span></div>
<div class="line"><a name="l02735"></a><span class="lineno"> 2735</span>  netconn_set_nonblocking(sock->conn, val & <a class="code" href="../../d7/d9f/fcntl_8h.html#a39d33ce33804efd4d52606d59071c6d8">O_NONBLOCK</a>);</div>
<div class="line"><a name="l02736"></a><span class="lineno"> 2736</span>  ret = 0;</div>
<div class="line"><a name="l02737"></a><span class="lineno"> 2737</span>  sock_set_errno(sock, 0);</div>
<div class="line"><a name="l02738"></a><span class="lineno"> 2738</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l02739"></a><span class="lineno"> 2739</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a43785b9969e0bd1af532dbde06c5540b">ENOSYS</a>); <span class="comment">/* not yet implemented */</span></div>
<div class="line"><a name="l02740"></a><span class="lineno"> 2740</span>  }</div>
<div class="line"><a name="l02741"></a><span class="lineno"> 2741</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02742"></a><span class="lineno"> 2742</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l02743"></a><span class="lineno"> 2743</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a>, (<span class="stringliteral">"lwip_fcntl(%d, UNIMPL: %d, %d)\n"</span>, s, cmd, val));</div>
<div class="line"><a name="l02744"></a><span class="lineno"> 2744</span>  sock_set_errno(sock, <a class="code" href="../../d4/d36/sys_2errno_8h.html#a43785b9969e0bd1af532dbde06c5540b">ENOSYS</a>); <span class="comment">/* not yet implemented */</span></div>
<div class="line"><a name="l02745"></a><span class="lineno"> 2745</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l02746"></a><span class="lineno"> 2746</span>  }</div>
<div class="line"><a name="l02747"></a><span class="lineno"> 2747</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l02748"></a><span class="lineno"> 2748</span> }</div>
<div class="line"><a name="l02749"></a><span class="lineno"> 2749</span>  </div>
<div class="line"><a name="l02750"></a><span class="lineno"> 2750</span> <span class="preprocessor">#if LWIP_IGMP</span></div>
<div class="line"><a name="l02751"></a><span class="lineno"> 2751</span>  </div>
<div class="line"><a name="l02757"></a><span class="lineno"> 2757</span> <span class="keyword">static</span> <span class="keywordtype">int</span></div>
<div class="line"><a name="l02758"></a><span class="lineno"> 2758</span> lwip_socket_register_membership(<span class="keywordtype">int</span> s, <span class="keyword">const</span> ip4_addr_t *if_addr, <span class="keyword">const</span> ip4_addr_t *multi_addr)</div>
<div class="line"><a name="l02759"></a><span class="lineno"> 2759</span> {</div>
<div class="line"><a name="l02760"></a><span class="lineno"> 2760</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l02761"></a><span class="lineno"> 2761</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l02762"></a><span class="lineno"> 2762</span>  </div>
<div class="line"><a name="l02763"></a><span class="lineno"> 2763</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02764"></a><span class="lineno"> 2764</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l02765"></a><span class="lineno"> 2765</span>  }</div>
<div class="line"><a name="l02766"></a><span class="lineno"> 2766</span>  </div>
<div class="line"><a name="l02767"></a><span class="lineno"> 2767</span>  <span class="keywordflow">for</span> (i = 0; i < LWIP_SOCKET_MAX_MEMBERSHIPS; i++) {</div>
<div class="line"><a name="l02768"></a><span class="lineno"> 2768</span>  <span class="keywordflow">if</span> (socket_ipv4_multicast_memberships[i].sock == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l02769"></a><span class="lineno"> 2769</span>  socket_ipv4_multicast_memberships[i].sock = sock;</div>
<div class="line"><a name="l02770"></a><span class="lineno"> 2770</span>  ip4_addr_copy(socket_ipv4_multicast_memberships[i].if_addr, *if_addr);</div>
<div class="line"><a name="l02771"></a><span class="lineno"> 2771</span>  ip4_addr_copy(socket_ipv4_multicast_memberships[i].multi_addr, *multi_addr);</div>
<div class="line"><a name="l02772"></a><span class="lineno"> 2772</span>  <span class="keywordflow">return</span> 1;</div>
<div class="line"><a name="l02773"></a><span class="lineno"> 2773</span>  }</div>
<div class="line"><a name="l02774"></a><span class="lineno"> 2774</span>  }</div>
<div class="line"><a name="l02775"></a><span class="lineno"> 2775</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l02776"></a><span class="lineno"> 2776</span> }</div>
<div class="line"><a name="l02777"></a><span class="lineno"> 2777</span>  </div>
<div class="line"><a name="l02783"></a><span class="lineno"> 2783</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l02784"></a><span class="lineno"> 2784</span> lwip_socket_unregister_membership(<span class="keywordtype">int</span> s, <span class="keyword">const</span> ip4_addr_t *if_addr, <span class="keyword">const</span> ip4_addr_t *multi_addr)</div>
<div class="line"><a name="l02785"></a><span class="lineno"> 2785</span> {</div>
<div class="line"><a name="l02786"></a><span class="lineno"> 2786</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l02787"></a><span class="lineno"> 2787</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l02788"></a><span class="lineno"> 2788</span>  </div>
<div class="line"><a name="l02789"></a><span class="lineno"> 2789</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02790"></a><span class="lineno"> 2790</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l02791"></a><span class="lineno"> 2791</span>  }</div>
<div class="line"><a name="l02792"></a><span class="lineno"> 2792</span>  </div>
<div class="line"><a name="l02793"></a><span class="lineno"> 2793</span>  <span class="keywordflow">for</span> (i = 0; i < LWIP_SOCKET_MAX_MEMBERSHIPS; i++) {</div>
<div class="line"><a name="l02794"></a><span class="lineno"> 2794</span>  <span class="keywordflow">if</span> ((socket_ipv4_multicast_memberships[i].sock == sock) &&</div>
<div class="line"><a name="l02795"></a><span class="lineno"> 2795</span>  ip4_addr_cmp(&socket_ipv4_multicast_memberships[i].if_addr, if_addr) &&</div>
<div class="line"><a name="l02796"></a><span class="lineno"> 2796</span>  ip4_addr_cmp(&socket_ipv4_multicast_memberships[i].multi_addr, multi_addr)) {</div>
<div class="line"><a name="l02797"></a><span class="lineno"> 2797</span>  socket_ipv4_multicast_memberships[i].sock = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l02798"></a><span class="lineno"> 2798</span>  ip4_addr_set_zero(&socket_ipv4_multicast_memberships[i].if_addr);</div>
<div class="line"><a name="l02799"></a><span class="lineno"> 2799</span>  ip4_addr_set_zero(&socket_ipv4_multicast_memberships[i].multi_addr);</div>
<div class="line"><a name="l02800"></a><span class="lineno"> 2800</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l02801"></a><span class="lineno"> 2801</span>  }</div>
<div class="line"><a name="l02802"></a><span class="lineno"> 2802</span>  }</div>
<div class="line"><a name="l02803"></a><span class="lineno"> 2803</span> }</div>
<div class="line"><a name="l02804"></a><span class="lineno"> 2804</span>  </div>
<div class="line"><a name="l02809"></a><span class="lineno"> 2809</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l02810"></a><span class="lineno"> 2810</span> lwip_socket_drop_registered_memberships(<span class="keywordtype">int</span> s)</div>
<div class="line"><a name="l02811"></a><span class="lineno"> 2811</span> {</div>
<div class="line"><a name="l02812"></a><span class="lineno"> 2812</span>  <span class="keyword">struct </span>lwip_sock *sock = get_socket(s);</div>
<div class="line"><a name="l02813"></a><span class="lineno"> 2813</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l02814"></a><span class="lineno"> 2814</span>  </div>
<div class="line"><a name="l02815"></a><span class="lineno"> 2815</span>  <span class="keywordflow">if</span> (!sock) {</div>
<div class="line"><a name="l02816"></a><span class="lineno"> 2816</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l02817"></a><span class="lineno"> 2817</span>  }</div>
<div class="line"><a name="l02818"></a><span class="lineno"> 2818</span>  </div>
<div class="line"><a name="l02819"></a><span class="lineno"> 2819</span>  <span class="keywordflow">for</span> (i = 0; i < LWIP_SOCKET_MAX_MEMBERSHIPS; i++) {</div>
<div class="line"><a name="l02820"></a><span class="lineno"> 2820</span>  <span class="keywordflow">if</span> (socket_ipv4_multicast_memberships[i].sock == sock) {</div>
<div class="line"><a name="l02821"></a><span class="lineno"> 2821</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> multi_addr, if_addr;</div>
<div class="line"><a name="l02822"></a><span class="lineno"> 2822</span>  ip_addr_copy_from_ip4(multi_addr, socket_ipv4_multicast_memberships[i].multi_addr);</div>
<div class="line"><a name="l02823"></a><span class="lineno"> 2823</span>  ip_addr_copy_from_ip4(if_addr, socket_ipv4_multicast_memberships[i].if_addr);</div>
<div class="line"><a name="l02824"></a><span class="lineno"> 2824</span>  socket_ipv4_multicast_memberships[i].sock = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l02825"></a><span class="lineno"> 2825</span>  ip4_addr_set_zero(&socket_ipv4_multicast_memberships[i].if_addr);</div>
<div class="line"><a name="l02826"></a><span class="lineno"> 2826</span>  ip4_addr_set_zero(&socket_ipv4_multicast_memberships[i].multi_addr);</div>
<div class="line"><a name="l02827"></a><span class="lineno"> 2827</span>  </div>
<div class="line"><a name="l02828"></a><span class="lineno"> 2828</span>  netconn_join_leave_group(sock->conn, &multi_addr, &if_addr, NETCONN_LEAVE);</div>
<div class="line"><a name="l02829"></a><span class="lineno"> 2829</span>  }</div>
<div class="line"><a name="l02830"></a><span class="lineno"> 2830</span>  }</div>
<div class="line"><a name="l02831"></a><span class="lineno"> 2831</span> }</div>
<div class="line"><a name="l02832"></a><span class="lineno"> 2832</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IGMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l02833"></a><span class="lineno"> 2833</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_SOCKET */</span><span class="preprocessor"></span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
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<div class="ttc" id="aip__addr_8h_html_abee5dab2191bb0f3355d7f30d1496f24"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#abee5dab2191bb0f3355d7f30d1496f24">IP_IS_V4</a></div><div class="ttdeci">#define IP_IS_V4(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00295">ip_addr.h:295</a></div></div>
<div class="ttc" id="ainet_8h_html"><div class="ttname"><a href="../../d6/d4a/inet_8h.html">inet.h</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a1578e34703e86711a7fb7dcc3857004d"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a1578e34703e86711a7fb7dcc3857004d">IP_IS_V6_VAL</a></div><div class="ttdeci">#define IP_IS_V6_VAL(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00294">ip_addr.h:294</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_af23e48762a0676f49d480db91cfd5e4b"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#af23e48762a0676f49d480db91cfd5e4b">ENOTCONN</a></div><div class="ttdeci">#define ENOTCONN</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00102">errno.h:102</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_acd570f8ab92198653b4459773dc3bca3"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#acd570f8ab92198653b4459773dc3bca3">ENOPROTOOPT</a></div><div class="ttdeci">#define ENOPROTOOPT</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00084">errno.h:84</a></div></div>
<div class="ttc" id="adebug_8h_html_a94ad086267808462beae2b38f91996ed"><div class="ttname"><a href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a></div><div class="ttdeci">#define LWIP_ASSERT(message, assertion)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00116">debug.h:116</a></div></div>
<div class="ttc" id="apbuf_8h_html"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html">pbuf.h</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_gadb68acad14b34550b9891bc11bbf4e63"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#gadb68acad14b34550b9891bc11bbf4e63">sys_sem_new</a></div><div class="ttdeci">err_t sys_sem_new(sys_sem_t **sem, u8_t count)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00052">sys_arch.c:52</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_ga4d02e29e5dfa092559efc04dee985822"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#ga4d02e29e5dfa092559efc04dee985822">sys_sem_free</a></div><div class="ttdeci">void sys_sem_free(sys_sem_t **sem)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00075">sys_arch.c:75</a></div></div>
<div class="ttc" id="astructtimeval_html_a810bf8fcd58e255a5c1896d19538b86a"><div class="ttname"><a href="../../d1/d1b/structtimeval.html#a810bf8fcd58e255a5c1896d19538b86a">timeval::tv_usec</a></div><div class="ttdeci">suseconds_t tv_usec</div><div class="ttdef"><b>Definition:</b> <a href="../../df/dc5/__timeval_8h_source.html#l00019">_timeval.h:19</a></div></div>
<div class="ttc" id="astructfd__set_html"><div class="ttname"><a href="../../d5/d99/structfd__set.html">fd_set</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dab/select_8h_source.html#l00064">select.h:64</a></div></div>
<div class="ttc" id="astructmem_html"><div class="ttname"><a href="../../d0/d0f/structmem.html">mem</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d8f/mem_8c_source.html#l00264">mem.c:264</a></div></div>
<div class="ttc" id="asys_8h_html_a2f48e97047945642ddeb27e65bf4ffe2"><div class="ttname"><a href="../../d9/d87/sys_8h.html#a2f48e97047945642ddeb27e65bf4ffe2">SYS_ARCH_UNPROTECT</a></div><div class="ttdeci">#define SYS_ARCH_UNPROTECT(lev)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00363">sys.h:363</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga77570ac4fcab86864fa1916e55676da2"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a></div><div class="ttdeci">uint16_t u16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00124">arch.h:124</a></div></div>
<div class="ttc" id="astring_8h_html"><div class="ttname"><a href="../../da/d66/string_8h.html">string.h</a></div></div>
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<div class="ttc" id="aigmp_8h_html"><div class="ttname"><a href="../../d9/d9c/igmp_8h.html">igmp.h</a></div></div>
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<div class="ttc" id="agroup__sys__sem_html_ga28aa725e8a36dd0cfde89875af4f3ec9"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#ga28aa725e8a36dd0cfde89875af4f3ec9">sys_arch_sem_wait</a></div><div class="ttdeci">uint32_t sys_arch_sem_wait(struct sys_sem **s, uint32_t timeout)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00104">sys_arch.c:104</a></div></div>
<div class="ttc" id="astructpbuf_html_a5259e7ec29bab9c0999b64f2e86b411f"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">pbuf::tot_len</a></div><div class="ttdeci">u16_t tot_len</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00156">pbuf.h:156</a></div></div>
<div class="ttc" id="atcpip_8h_html_a915effea029b9c4891e1ec635eb1826d"><div class="ttname"><a href="../../d9/db5/tcpip_8h.html#a915effea029b9c4891e1ec635eb1826d">UNLOCK_TCPIP_CORE</a></div><div class="ttdeci">#define UNLOCK_TCPIP_CORE()</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db5/tcpip_8h_source.html#l00061">tcpip.h:61</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4c14294869aceba3ef9d4c0c302d0f33"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a></div><div class="ttdeci">uint32_t u32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00126">arch.h:126</a></div></div>
<div class="ttc" id="anetbuf_8c_html"><div class="ttname"><a href="../../d9/de1/netbuf_8c.html">netbuf.c</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ggaee1baa59bb2f85ba575b5a8619ac1ebfa2ded3594a3977f8bf9cf09552be327b5"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#ggaee1baa59bb2f85ba575b5a8619ac1ebfa2ded3594a3977f8bf9cf09552be327b5">PBUF_TRANSPORT</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00076">pbuf.h:76</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gab0dd696fb4b6bc65e548944584f1738b"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a></div><div class="ttdeci">u8_t pbuf_free(struct pbuf *p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00715">pbuf.c:715</a></div></div>
<div class="ttc" id="araw_8h_html"><div class="ttname"><a href="../../d6/df4/raw_8h.html">raw.h</a></div></div>
<div class="ttc" id="aapi__msg_8c_html"><div class="ttname"><a href="../../d7/dc1/api__msg_8c.html">api_msg.c</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4b1eca99bc81e248c7074ea87fc9ca63"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4b1eca99bc81e248c7074ea87fc9ca63">S32_F</a></div><div class="ttdeci">#define S32_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00160">arch.h:160</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a4b807895c74cea4d0302bf27725d4b9d"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a4b807895c74cea4d0302bf27725d4b9d">EOPNOTSUPP</a></div><div class="ttdeci">#define EOPNOTSUPP</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00087">errno.h:87</a></div></div>
<div class="ttc" id="astructsys__sem_html"><div class="ttname"><a href="../../d4/da3/structsys__sem.html">sys_sem</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d28/sem_8h_source.html#l00036">sem.h:36</a></div></div>
<div class="ttc" id="adef_8h_html_a748f5df614a3fc989e8900fd229d6e4e"><div class="ttname"><a href="../../d4/da4/def_8h.html#a748f5df614a3fc989e8900fd229d6e4e">LWIP_MIN</a></div><div class="ttdeci">#define LWIP_MIN(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/da4/def_8h_source.html#l00055">def.h:55</a></div></div>
<div class="ttc" id="astructpbuf_html_aa4d1af2cab3d9280d29212095b5b872a"><div class="ttname"><a href="../../d9/db8/structpbuf.html#aa4d1af2cab3d9280d29212095b5b872a">pbuf::flags</a></div><div class="ttdeci">u8_t flags</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00165">pbuf.h:165</a></div></div>
<div class="ttc" id="aip__addr_8h_html_af7d84bce2fb861a97f3047ecd69ab018"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#af7d84bce2fb861a97f3047ecd69ab018">ip_addr_debug_print</a></div><div class="ttdeci">#define ip_addr_debug_print(debug, ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00323">ip_addr.h:323</a></div></div>
<div class="ttc" id="astructin__addr_html"><div class="ttname"><a href="../../da/d7e/structin__addr.html">in_addr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d4a/inet_8h_source.html#l00058">inet.h:58</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00065">err.h:65</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gac2f1f58fd36042e82af46f5015720899"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gac2f1f58fd36042e82af46f5015720899">pbuf_copy_partial</a></div><div class="ttdeci">u16_t pbuf_copy_partial(const struct pbuf *p, void *dataptr, u16_t len, u16_t offset)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l01016">pbuf.c:1016</a></div></div>
<div class="ttc" id="adebug_8h_html_a827bc03cd7889e7c007df39d33b33d18"><div class="ttname"><a href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a></div><div class="ttdeci">#define LWIP_ERROR(message, expression, handler)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00135">debug.h:135</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a4c3a793b4d51cb7dd020af92e536fe21"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a4c3a793b4d51cb7dd020af92e536fe21">EAFNOSUPPORT</a></div><div class="ttdeci">#define EAFNOSUPPORT</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00090">errno.h:90</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa5176d9fecf8ec43d3bc49f4e6c3f7f5">ERR_CLSD</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00094">err.h:94</a></div></div>
<div class="ttc" id="agroup__sys__sem_html_gaff1dd2af219b75ae812e0b1660bd7455"><div class="ttname"><a href="../../da/d3a/group__sys__sem.html#gaff1dd2af219b75ae812e0b1660bd7455">sys_sem_signal</a></div><div class="ttdeci">void sys_sem_signal(struct sys_sem **s)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d56/sys__arch_8c_source.html#l00088">sys_arch.c:88</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a5554094b3fb4bb6ebeb0157cb3f82a55"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a5554094b3fb4bb6ebeb0157cb3f82a55">ENFILE</a></div><div class="ttdeci">#define ENFILE</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00056">errno.h:56</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gacfcb0a2af918658ba0afe36499c65f47"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gacfcb0a2af918658ba0afe36499c65f47">pbuf_alloc</a></div><div class="ttdeci">struct pbuf * pbuf_alloc(pbuf_layer l, u16_t length, pbuf_type type)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00248">pbuf.c:248</a></div></div>
<div class="ttc" id="akprintf_8h_html"><div class="ttname"><a href="../../da/d28/kprintf_8h.html">kprintf.h</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga10f9a3d7baef58ccc23228c3bd29c1fb"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga10f9a3d7baef58ccc23228c3bd29c1fb">s32_t</a></div><div class="ttdeci">int32_t s32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00127">arch.h:127</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div><div class="ttdeci">uint8_t u8_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00122">arch.h:122</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a88b43639738c4de2d3cd22e3a1fd7696"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a></div><div class="ttdeci">ip6_addr_t ip_addr_t</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00290">ip_addr.h:290</a></div></div>
<div class="ttc" id="astructbuf_html"><div class="ttname"><a href="../../d9/dd0/structbuf.html">buf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d6d/buf_8h_source.html#l00035">buf.h:35</a></div></div>
<div class="ttc" id="apbuf_8h_html_a018a6499e357f8a1373321f802a82930"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html#a018a6499e357f8a1373321f802a82930">PBUF_FLAG_PUSH</a></div><div class="ttdeci">#define PBUF_FLAG_PUSH</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00128">pbuf.h:128</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a8853fce54b1816dca3af90b48677e673"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a8853fce54b1816dca3af90b48677e673">ip_addr_set_any</a></div><div class="ttdeci">#define ip_addr_set_any(is_ipv6, ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00311">ip_addr.h:311</a></div></div>
<div class="ttc" id="adef_8h_html_a21ea174d374106caeafb4aa3a24fbd2b"><div class="ttname"><a href="../../d4/da4/def_8h.html#a21ea174d374106caeafb4aa3a24fbd2b">LWIP_MAX</a></div><div class="ttdeci">#define LWIP_MAX(x, y)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/da4/def_8h_source.html#l00054">def.h:54</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00301">ip_addr.h:301</a></div></div>
<div class="ttc" id="aselect_8h_html_a23c97009457b26f0e96afc9d0e10876b"><div class="ttname"><a href="../../d9/dab/select_8h.html#a23c97009457b26f0e96afc9d0e10876b">FD_ZERO</a></div><div class="ttdeci">#define FD_ZERO(p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dab/select_8h_source.html#l00075">select.h:75</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00096">err.h:96</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga70624a5deb8b9199406372a7f3603ecf"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga70624a5deb8b9199406372a7f3603ecf">LWIP_UNUSED_ARG</a></div><div class="ttdeci">#define LWIP_UNUSED_ARG(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00315">arch.h:315</a></div></div>
<div class="ttc" id="aselect_8h_html_ad97013c4b9982b36a8308917d5c22c52"><div class="ttname"><a href="../../d9/dab/select_8h.html#ad97013c4b9982b36a8308917d5c22c52">FD_SET</a></div><div class="ttdeci">#define FD_SET(n, p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dab/select_8h_source.html#l00074">select.h:74</a></div></div>
<div class="ttc" id="aip__addr_8h_html_ac3d7eec8027db2203117e6f30df8fba5"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#ac3d7eec8027db2203117e6f30df8fba5">ip_addr_debug_print_val</a></div><div class="ttdeci">#define ip_addr_debug_print_val(debug, ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00324">ip_addr.h:324</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab9dcf89d46668b072192278fb907b7ad">ERR_WOULDBLOCK</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00077">err.h:77</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_ac54507d66b43ad12f9356257323c0018"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#ac54507d66b43ad12f9356257323c0018">EBADF</a></div><div class="ttdeci">#define EBADF</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00040">errno.h:40</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a43785b9969e0bd1af532dbde06c5540b"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a43785b9969e0bd1af532dbde06c5540b">ENOSYS</a></div><div class="ttdeci">#define ENOSYS</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00132">errno.h:132</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a6a05c923dad0c1208043e9c20a58c8e5"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a6a05c923dad0c1208043e9c20a58c8e5">ENOMEM</a></div><div class="ttdeci">#define ENOMEM</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00044">errno.h:44</a></div></div>
<div class="ttc" id="asys_8h_html_a945395fa326214fc9736487242710a90"><div class="ttname"><a href="../../d9/d87/sys_8h.html#a945395fa326214fc9736487242710a90">SYS_ARCH_DECL_PROTECT</a></div><div class="ttdeci">#define SYS_ARCH_DECL_PROTECT(lev)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00361">sys.h:361</a></div></div>
<div class="ttc" id="asys_8h_html_a3d0e48feafd378e9c26c64567ecd8bab"><div class="ttname"><a href="../../d9/d87/sys_8h.html#a3d0e48feafd378e9c26c64567ecd8bab">SYS_ARCH_PROTECT</a></div><div class="ttdeci">#define SYS_ARCH_PROTECT(lev)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00362">sys.h:362</a></div></div>
<div class="ttc" id="aip__addr_8h_html_ab1a059f07bd9c50aa58447d963b823a1"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#ab1a059f07bd9c50aa58447d963b823a1">IP_IS_V4_VAL</a></div><div class="ttdeci">#define IP_IS_V4_VAL(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00293">ip_addr.h:293</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ga82429084fe29015509c9b4a072707cd4"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#ga82429084fe29015509c9b4a072707cd4">pbuf_cat</a></div><div class="ttdeci">void pbuf_cat(struct pbuf *head, struct pbuf *tail)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00841">pbuf.c:841</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a4d435d88b2eaebaea1ef75ee586204fd"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a4d435d88b2eaebaea1ef75ee586204fd">IP_SET_TYPE</a></div><div class="ttdeci">#define IP_SET_TYPE(ipaddr, iptype)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00299">ip_addr.h:299</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gaa9d7f6eb2ee9fcc5eda3545dbb1886e0"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a></div><div class="ttdeci">#define U16_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00148">arch.h:148</a></div></div>
<div class="ttc" id="astructtimeval_html_aef6ddab1064c430758f9f913b7e4a21e"><div class="ttname"><a href="../../d1/d1b/structtimeval.html#aef6ddab1064c430758f9f913b7e4a21e">timeval::tv_sec</a></div><div class="ttdeci">time_t tv_sec</div><div class="ttdef"><b>Definition:</b> <a href="../../df/dc5/__timeval_8h_source.html#l00018">_timeval.h:18</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00063">err.h:63</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_gaf02d9da80fd66b4f986d2c53d7231ddb"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div><div class="ttdeci">s8_t err_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="atcpip_8h_html_a7eb868a1215472ec38f3f2a04d442b9f"><div class="ttname"><a href="../../d9/db5/tcpip_8h.html#a7eb868a1215472ec38f3f2a04d442b9f">tcpip_callback</a></div><div class="ttdeci">#define tcpip_callback(f, ctx)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db5/tcpip_8h_source.html#l00085">tcpip.h:85</a></div></div>
<div class="ttc" id="apci_8c_html_a8f8f80d37794cde9472343e4487ba3eb"><div class="ttname"><a href="../../d1/de8/pci_8c.html#a8f8f80d37794cde9472343e4487ba3eb">name</a></div><div class="ttdeci">const char * name</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/de8/pci_8c_source.html#l00037">pci.c:37</a></div></div>
<div class="ttc" id="atcp_8h_html"><div class="ttname"><a href="../../d8/da5/tcp_8h.html">tcp.h</a></div></div>
<div class="ttc" id="aip_8h_html_a13f48cf825c7f074dc05bea54e9d6a93"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a13f48cf825c7f074dc05bea54e9d6a93">ip_set_option</a></div><div class="ttdeci">#define ip_set_option(pcb, opt)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00217">ip.h:217</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a556612e55358838192165684c971a44f"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a556612e55358838192165684c971a44f">EADDRNOTAVAIL</a></div><div class="ttdeci">#define EADDRNOTAVAIL</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00092">errno.h:92</a></div></div>
<div class="ttc" id="agroup__ipaddr_html_ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02"><div class="ttname"><a href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585caae510fd8ec7fe405b594b57af61f9a02">IPADDR_TYPE_V6</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00058">ip_addr.h:58</a></div></div>
<div class="ttc" id="alwipopts_8h_html_ae9afcefa5d233372abb9413188dd98c9"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#ae9afcefa5d233372abb9413188dd98c9">LWIP_MPU_COMPATIBLE</a></div><div class="ttdeci">#define LWIP_MPU_COMPATIBLE</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00047">lwipopts.h:47</a></div></div>
<div class="ttc" id="astructtimeval_html"><div class="ttname"><a href="../../d1/d1b/structtimeval.html">timeval</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/dc5/__timeval_8h_source.html#l00017">_timeval.h:17</a></div></div>
<div class="ttc" id="audp_8h_html"><div class="ttname"><a href="../../d2/da7/udp_8h.html">udp.h</a></div></div>
<div class="ttc" id="aapi__lib_8c_html"><div class="ttname"><a href="../../da/d62/api__lib_8c.html">api_lib.c</a></div></div>
<div class="ttc" id="afcntl_8h_html_a025fad21a889c79f02ec53abe3526c32"><div class="ttname"><a href="../../d7/d9f/fcntl_8h.html#a025fad21a889c79f02ec53abe3526c32">F_GETFL</a></div><div class="ttdeci">#define F_GETFL</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d9f/fcntl_8h_source.html#l00038">fcntl.h:38</a></div></div>
<div class="ttc" id="afcntl_8h_html_af2939853c650561d3495ed40f68f6249"><div class="ttname"><a href="../../d7/d9f/fcntl_8h.html#af2939853c650561d3495ed40f68f6249">F_SETFL</a></div><div class="ttdeci">#define F_SETFL</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d9f/fcntl_8h_source.html#l00039">fcntl.h:39</a></div></div>
<div class="ttc" id="alwipopts_8h_html_aa1dd57a66b6de8c0593e9e3e8d1411f6"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#aa1dd57a66b6de8c0593e9e3e8d1411f6">MEMCPY</a></div><div class="ttdeci">#define MEMCPY(dst, src, len)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00043">lwipopts.h:43</a></div></div>
<div class="ttc" id="aip__addr_8h_html_aaa800ce1929a1bb0f3d64bebd44e4051"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#aaa800ce1929a1bb0f3d64bebd44e4051">IP_SET_TYPE_VAL</a></div><div class="ttdeci">#define IP_SET_TYPE_VAL(ipaddr, iptype)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00298">ip_addr.h:298</a></div></div>
<div class="ttc" id="asockets_8h_html"><div class="ttname"><a href="../../d4/dd3/sockets_8h.html">sockets.h</a></div></div>
<div class="ttc" id="asys_8h_html_ac1495030a8ab5e1f3c89e42ced527c5b"><div class="ttname"><a href="../../d9/d87/sys_8h.html#ac1495030a8ab5e1f3c89e42ced527c5b">SYS_ARCH_TIMEOUT</a></div><div class="ttdeci">#define SYS_ARCH_TIMEOUT</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00047">sys.h:47</a></div></div>
<div class="ttc" id="aip_8h_html_a26e077f52de4a97ff89c02415c084518"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a26e077f52de4a97ff89c02415c084518">ip_get_option</a></div><div class="ttdeci">#define ip_get_option(pcb, opt)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00215">ip.h:215</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gad8b0a364e95b07cb0c47709fdc6037d6"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a></div><div class="ttdeci">#define U32_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00157">arch.h:157</a></div></div>
<div class="ttc" id="amemp_8h_html"><div class="ttname"><a href="../../df/dff/memp_8h.html">memp.h</a></div></div>
<div class="ttc" id="asys_8h_html_a0da95147531964d619be7744c7169986"><div class="ttname"><a href="../../d9/d87/sys_8h.html#a0da95147531964d619be7744c7169986">SYS_ARCH_GET</a></div><div class="ttdeci">#define SYS_ARCH_GET(var, ret)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d87/sys_8h_source.html#l00393">sys.h:393</a></div></div>
<div class="ttc" id="ainet__chksum_8h_html_ab35967a50418358e194e8f80fdc3c865"><div class="ttname"><a href="../../d2/d45/inet__chksum_8h.html#ab35967a50418358e194e8f80fdc3c865">inet_chksum_pbuf</a></div><div class="ttdeci">u16_t inet_chksum_pbuf(struct pbuf *p)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d81/inet__chksum_8c_source.html#l00568">inet_chksum.c:568</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a509594f3ba7d8b1356628b50b55a0934"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a509594f3ba7d8b1356628b50b55a0934">SOCKETS_DEBUG</a></div><div class="ttdeci">#define SOCKETS_DEBUG</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00441">lwipopts.h:441</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gac219830a93d05c5f18f64ce87a34be14"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a></div><div class="ttdeci">#define X32_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00163">arch.h:163</a></div></div>
<div class="ttc" id="akprintf_8h_html_a20b56810edb62a6fe59917015c30848f"><div class="ttname"><a href="../../da/d28/kprintf_8h.html#a20b56810edb62a6fe59917015c30848f">kprintf</a></div><div class="ttdeci">int kprintf(const char *,...)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d87/kprintf_8c_source.html#l00259">kprintf.c:259</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a4a3a0b3605fd3b2336455062ee8e25f0"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a4a3a0b3605fd3b2336455062ee8e25f0">EWOULDBLOCK</a></div><div class="ttdeci">#define EWOULDBLOCK</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00075">errno.h:75</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4cd359b6110f318ef71814587e1df029"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4cd359b6110f318ef71814587e1df029">SZT_F</a></div><div class="ttdeci">#define SZT_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00166">arch.h:166</a></div></div>
<div class="ttc" id="aerr_8h_html_af6382b3192357c2fb582c84c48bdda40"><div class="ttname"><a href="../../d6/d40/err_8h.html#af6382b3192357c2fb582c84c48bdda40">err_to_errno</a></div><div class="ttdeci">int err_to_errno(err_t err)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d80/err_8c_source.html#l00071">err.c:71</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00075">err.h:75</a></div></div>
<div class="ttc" id="astructpbuf_html"><div class="ttname"><a href="../../d9/db8/structpbuf.html">pbuf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00142">pbuf.h:142</a></div></div>
<div class="ttc" id="adebug_8h_html_a63a04edf7ff63c951bd8706711956cdb"><div class="ttname"><a href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a></div><div class="ttdeci">#define LWIP_DEBUGF(debug, message)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00164">debug.h:164</a></div></div>
<div class="ttc" id="aip_8h_html_a441c63f00c4b0cb69fc34ca6b55307cc"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a441c63f00c4b0cb69fc34ca6b55307cc">ip_reset_option</a></div><div class="ttdeci">#define ip_reset_option(pcb, opt)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00219">ip.h:219</a></div></div>
<div class="ttc" id="atcpip_8h_html_a4700525e737fc025fea4887b172e0c95"><div class="ttname"><a href="../../d9/db5/tcpip_8h.html#a4700525e737fc025fea4887b172e0c95">LOCK_TCPIP_CORE</a></div><div class="ttdeci">#define LOCK_TCPIP_CORE()</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/db5/tcpip_8h_source.html#l00060">tcpip.h:60</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a9e655f47bfd914a1174f281fc31cf63d"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a9e655f47bfd914a1174f281fc31cf63d">ENOBUFS</a></div><div class="ttdeci">#define ENOBUFS</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00100">errno.h:100</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a2d1678d5a7cc8ce499643f3b8957def4"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a2d1678d5a7cc8ce499643f3b8957def4">EINVAL</a></div><div class="ttdeci">#define EINVAL</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00055">errno.h:55</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gaa0dd3f76dd9a837feaac61fedc0dbe72"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gaa0dd3f76dd9a837feaac61fedc0dbe72">LWIP_CONST_CAST</a></div><div class="ttdeci">#define LWIP_CONST_CAST(target_type, val)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00187">arch.h:187</a></div></div>
<div class="ttc" id="afcntl_8h_html_a39d33ce33804efd4d52606d59071c6d8"><div class="ttname"><a href="../../d7/d9f/fcntl_8h.html#a39d33ce33804efd4d52606d59071c6d8">O_NONBLOCK</a></div><div class="ttdeci">#define O_NONBLOCK</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/d9f/fcntl_8h_source.html#l00049">fcntl.h:49</a></div></div>
<div class="ttc" id="ainet__chksum_8h_html"><div class="ttname"><a href="../../d2/d45/inet__chksum_8h.html">inet_chksum.h</a></div></div>
<div class="ttc" id="asys_2errno_8h_html_a3f317946e043623f9d6b93dbf60e6316"><div class="ttname"><a href="../../d4/d36/sys_2errno_8h.html#a3f317946e043623f9d6b93dbf60e6316">EFAULT</a></div><div class="ttdeci">#define EFAULT</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d36/sys_2errno_8h_source.html#l00046">errno.h:46</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ggab7e0e32fcc292c0d7107721766ed92fbac9b6ba960fdea6f2e8f35c8313b77e4e"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#ggab7e0e32fcc292c0d7107721766ed92fbac9b6ba960fdea6f2e8f35c8313b77e4e">PBUF_REF</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00116">pbuf.h:116</a></div></div>
<div class="ttc" id="agroup__ipaddr_html_ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049"><div class="ttname"><a href="../../d4/d10/group__ipaddr.html#ggaf2142f0dfdcc938e2db16aa745ed585cace47fa82608deeb1c1c7c2c891eb5049">IPADDR_TYPE_V4</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00056">ip_addr.h:56</a></div></div>
<div class="ttc" id="astructpbuf_html_a8d32dc3e964369d4eec638fc37fbc460"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">pbuf::payload</a></div><div class="ttdeci">void * payload</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00147">pbuf.h:147</a></div></div>
<div class="ttc" id="aselect_8h_html_a9bc0a7e611c4d98105fdf031d60e29ad"><div class="ttname"><a href="../../d9/dab/select_8h.html#a9bc0a7e611c4d98105fdf031d60e29ad">FD_ISSET</a></div><div class="ttdeci">#define FD_ISSET(n, p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/dab/select_8h_source.html#l00073">select.h:73</a></div></div>
<div class="ttc" id="aapi_8h_html"><div class="ttname"><a href="../../dc/d65/api_8h.html">api.h</a></div></div>
<div class="ttc" id="aerr_8h_html_ab58c2561ad3b133e625183721b25ba27"><div class="ttname"><a href="../../d6/d40/err_8h.html#ab58c2561ad3b133e625183721b25ba27">lwip_strerr</a></div><div class="ttdeci">#define lwip_strerr(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00108">err.h:108</a></div></div>
<div class="ttc" id="afat__string_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d8a/fat__string_8h_source.html#l00017">fat_string.h:17</a></div></div>
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