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UbixOS / doc / xml / ip4__addr_8c.xml
Christopher W. Olsen on 29 Jan 2020 52 KB Doxygen Documentation - I cannot speak for how true this documentation
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<?xml version='1.0' encoding='UTF-8' standalone='no'?>
<doxygen xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="compound.xsd" version="1.8.16">
  <compounddef id="ip4__addr_8c" kind="file" language="C++">
    <compoundname>ip4_addr.c</compoundname>
    <includes refid="opt_8h" local="yes">net/opt.h</includes>
    <incdepgraph>
      <node id="17">
        <label>stdarg.h</label>
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        <label>net/lwipopts.h</label>
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        <label>sys/types.h</label>
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        <label>net/arch.h</label>
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        <label>net/debug.h</label>
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        <label>sys/cdefs.h</label>
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        <label>ubixos/time.h</label>
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      </node>
      <node id="7">
        <label>sys/_types.h</label>
        <link refid="__types_8h"/>
      </node>
      <node id="1">
        <label>C:/Dev/git/UbixOS/sys/net/core/ipv4/ip4_addr.c</label>
        <link refid="ip4__addr_8c"/>
        <childnode refid="2" relation="include">
        </childnode>
      </node>
      <node id="10">
        <label>sys/_timespec.h</label>
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        </childnode>
      </node>
    </incdepgraph>
    <briefdescription>
    </briefdescription>
    <detaileddescription>
<para>This is the IPv4 address tools implementation. </para>
    </detaileddescription>
    <programlisting>
<codeline lineno="1"></codeline>
<codeline lineno="7"><highlight class="comment">/*</highlight></codeline>
<codeline lineno="8"><highlight class="comment"><sp/>*<sp/>Copyright<sp/>(c)<sp/>2001-2004<sp/>Swedish<sp/>Institute<sp/>of<sp/>Computer<sp/>Science.</highlight></codeline>
<codeline lineno="9"><highlight class="comment"><sp/>*<sp/>All<sp/>rights<sp/>reserved.</highlight></codeline>
<codeline lineno="10"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="11"><highlight class="comment"><sp/>*<sp/>Redistribution<sp/>and<sp/>use<sp/>in<sp/>source<sp/>and<sp/>binary<sp/>forms,<sp/>with<sp/>or<sp/>without<sp/>modification,</highlight></codeline>
<codeline lineno="12"><highlight class="comment"><sp/>*<sp/>are<sp/>permitted<sp/>provided<sp/>that<sp/>the<sp/>following<sp/>conditions<sp/>are<sp/>met:</highlight></codeline>
<codeline lineno="13"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="14"><highlight class="comment"><sp/>*<sp/>1.<sp/>Redistributions<sp/>of<sp/>source<sp/>code<sp/>must<sp/>retain<sp/>the<sp/>above<sp/>copyright<sp/>notice,</highlight></codeline>
<codeline lineno="15"><highlight class="comment"><sp/>*<sp/><sp/><sp/><sp/>this<sp/>list<sp/>of<sp/>conditions<sp/>and<sp/>the<sp/>following<sp/>disclaimer.</highlight></codeline>
<codeline lineno="16"><highlight class="comment"><sp/>*<sp/>2.<sp/>Redistributions<sp/>in<sp/>binary<sp/>form<sp/>must<sp/>reproduce<sp/>the<sp/>above<sp/>copyright<sp/>notice,</highlight></codeline>
<codeline lineno="17"><highlight class="comment"><sp/>*<sp/><sp/><sp/><sp/>this<sp/>list<sp/>of<sp/>conditions<sp/>and<sp/>the<sp/>following<sp/>disclaimer<sp/>in<sp/>the<sp/>documentation</highlight></codeline>
<codeline lineno="18"><highlight class="comment"><sp/>*<sp/><sp/><sp/><sp/>and/or<sp/>other<sp/>materials<sp/>provided<sp/>with<sp/>the<sp/>distribution.</highlight></codeline>
<codeline lineno="19"><highlight class="comment"><sp/>*<sp/>3.<sp/>The<sp/>name<sp/>of<sp/>the<sp/>author<sp/>may<sp/>not<sp/>be<sp/>used<sp/>to<sp/>endorse<sp/>or<sp/>promote<sp/>products</highlight></codeline>
<codeline lineno="20"><highlight class="comment"><sp/>*<sp/><sp/><sp/><sp/>derived<sp/>from<sp/>this<sp/>software<sp/>without<sp/>specific<sp/>prior<sp/>written<sp/>permission.</highlight></codeline>
<codeline lineno="21"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="22"><highlight class="comment"><sp/>*<sp/>THIS<sp/>SOFTWARE<sp/>IS<sp/>PROVIDED<sp/>BY<sp/>THE<sp/>AUTHOR<sp/>``AS<sp/>IS&apos;&apos;<sp/>AND<sp/>ANY<sp/>EXPRESS<sp/>OR<sp/>IMPLIED</highlight></codeline>
<codeline lineno="23"><highlight class="comment"><sp/>*<sp/>WARRANTIES,<sp/>INCLUDING,<sp/>BUT<sp/>NOT<sp/>LIMITED<sp/>TO,<sp/>THE<sp/>IMPLIED<sp/>WARRANTIES<sp/>OF</highlight></codeline>
<codeline lineno="24"><highlight class="comment"><sp/>*<sp/>MERCHANTABILITY<sp/>AND<sp/>FITNESS<sp/>FOR<sp/>A<sp/>PARTICULAR<sp/>PURPOSE<sp/>ARE<sp/>DISCLAIMED.<sp/>IN<sp/>NO<sp/>EVENT</highlight></codeline>
<codeline lineno="25"><highlight class="comment"><sp/>*<sp/>SHALL<sp/>THE<sp/>AUTHOR<sp/>BE<sp/>LIABLE<sp/>FOR<sp/>ANY<sp/>DIRECT,<sp/>INDIRECT,<sp/>INCIDENTAL,<sp/>SPECIAL,</highlight></codeline>
<codeline lineno="26"><highlight class="comment"><sp/>*<sp/>EXEMPLARY,<sp/>OR<sp/>CONSEQUENTIAL<sp/>DAMAGES<sp/>(INCLUDING,<sp/>BUT<sp/>NOT<sp/>LIMITED<sp/>TO,<sp/>PROCUREMENT</highlight></codeline>
<codeline lineno="27"><highlight class="comment"><sp/>*<sp/>OF<sp/>SUBSTITUTE<sp/>GOODS<sp/>OR<sp/>SERVICES;<sp/>LOSS<sp/>OF<sp/>USE,<sp/>DATA,<sp/>OR<sp/>PROFITS;<sp/>OR<sp/>BUSINESS</highlight></codeline>
<codeline lineno="28"><highlight class="comment"><sp/>*<sp/>INTERRUPTION)<sp/>HOWEVER<sp/>CAUSED<sp/>AND<sp/>ON<sp/>ANY<sp/>THEORY<sp/>OF<sp/>LIABILITY,<sp/>WHETHER<sp/>IN</highlight></codeline>
<codeline lineno="29"><highlight class="comment"><sp/>*<sp/>CONTRACT,<sp/>STRICT<sp/>LIABILITY,<sp/>OR<sp/>TORT<sp/>(INCLUDING<sp/>NEGLIGENCE<sp/>OR<sp/>OTHERWISE)<sp/>ARISING</highlight></codeline>
<codeline lineno="30"><highlight class="comment"><sp/>*<sp/>IN<sp/>ANY<sp/>WAY<sp/>OUT<sp/>OF<sp/>THE<sp/>USE<sp/>OF<sp/>THIS<sp/>SOFTWARE,<sp/>EVEN<sp/>IF<sp/>ADVISED<sp/>OF<sp/>THE<sp/>POSSIBILITY</highlight></codeline>
<codeline lineno="31"><highlight class="comment"><sp/>*<sp/>OF<sp/>SUCH<sp/>DAMAGE.</highlight></codeline>
<codeline lineno="32"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="33"><highlight class="comment"><sp/>*<sp/>This<sp/>file<sp/>is<sp/>part<sp/>of<sp/>the<sp/>lwIP<sp/>TCP/IP<sp/>stack.</highlight></codeline>
<codeline lineno="34"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="35"><highlight class="comment"><sp/>*<sp/>Author:<sp/>Adam<sp/>Dunkels<sp/>&lt;adam@sics.se&gt;</highlight></codeline>
<codeline lineno="36"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="37"><highlight class="comment"><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="38"><highlight class="normal"></highlight></codeline>
<codeline lineno="39"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="opt_8h" kindref="compound">net/opt.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="40"><highlight class="normal"></highlight></codeline>
<codeline lineno="41"><highlight class="normal"></highlight><highlight class="preprocessor">#if<sp/>LWIP_IPV4</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="42"><highlight class="normal"></highlight></codeline>
<codeline lineno="43"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="ip__addr_8h" kindref="compound">net/ip_addr.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="44"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="netif_8h" kindref="compound">net/netif.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="45"><highlight class="normal"></highlight></codeline>
<codeline lineno="46"><highlight class="normal"></highlight><highlight class="comment">/*<sp/>used<sp/>by<sp/>IP4_ADDR_ANY<sp/>and<sp/>IP_ADDR_BROADCAST<sp/>in<sp/>ip_addr.h<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="47"><highlight class="normal"></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="ip__addr_8h_1a88b43639738c4de2d3cd22e3a1fd7696" kindref="member">ip_addr_t</ref><sp/>ip_addr_any<sp/>=<sp/>IPADDR4_INIT(IPADDR_ANY);</highlight></codeline>
<codeline lineno="48"><highlight class="normal"></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="ip__addr_8h_1a88b43639738c4de2d3cd22e3a1fd7696" kindref="member">ip_addr_t</ref><sp/>ip_addr_broadcast<sp/>=<sp/>IPADDR4_INIT(IPADDR_BROADCAST);</highlight></codeline>
<codeline lineno="49"><highlight class="normal"></highlight></codeline>
<codeline lineno="57"><highlight class="normal"><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref></highlight></codeline>
<codeline lineno="58"><highlight class="normal">ip4_addr_isbroadcast_u32(<ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>addr,<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">struct</highlight><highlight class="normal"><sp/><ref refid="structnetif" kindref="compound">netif</ref><sp/>*<ref refid="structnetif" kindref="compound">netif</ref>)</highlight></codeline>
<codeline lineno="59"><highlight class="normal">{</highlight></codeline>
<codeline lineno="60"><highlight class="normal"><sp/><sp/>ip4_addr_t<sp/>ipaddr;</highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/>ip4_addr_set_u32(&amp;ipaddr,<sp/>addr);</highlight></codeline>
<codeline lineno="62"><highlight class="normal"></highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/>all<sp/>ones<sp/>(broadcast)<sp/>or<sp/>all<sp/>zeroes<sp/>(old<sp/>skool<sp/>broadcast)<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((~addr<sp/>==<sp/>IPADDR_ANY)<sp/>||</highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>(addr<sp/>==<sp/>IPADDR_ANY))<sp/>{</highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>1;</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/>no<sp/>broadcast<sp/>support<sp/>on<sp/>this<sp/>network<sp/>interface?<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="68"><highlight class="normal"><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((<ref refid="structnetif" kindref="compound">netif</ref>-&gt;<ref refid="structnetif_1a1c171db6097bbb6f09f63549a66e00ea" kindref="member">flags</ref><sp/>&amp;<sp/><ref refid="group__netif__flags_1gaef64fe15c82bc7b235366923e517104e" kindref="member">NETIF_FLAG_BROADCAST</ref>)<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="69"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>the<sp/>given<sp/>address<sp/>cannot<sp/>be<sp/>a<sp/>broadcast<sp/>address</highlight></codeline>
<codeline lineno="70"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/>*<sp/>nor<sp/>can<sp/>we<sp/>check<sp/>against<sp/>any<sp/>broadcast<sp/>addresses<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="72"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/>address<sp/>matches<sp/>network<sp/>interface<sp/>address<sp/>exactly?<sp/>=&gt;<sp/>no<sp/>broadcast<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="73"><highlight class="normal"><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(addr<sp/>==<sp/>ip4_addr_get_u32(netif_ip4_addr(<ref refid="structnetif" kindref="compound">netif</ref>)))<sp/>{</highlight></codeline>
<codeline lineno="74"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="75"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/><sp/>on<sp/>the<sp/>same<sp/>(sub)<sp/>network...<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="76"><highlight class="normal"><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(ip4_addr_netcmp(&amp;ipaddr,<sp/>netif_ip4_addr(<ref refid="structnetif" kindref="compound">netif</ref>),<sp/>netif_ip4_netmask(<ref refid="structnetif" kindref="compound">netif</ref>))</highlight></codeline>
<codeline lineno="77"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>...and<sp/>host<sp/>identifier<sp/>bits<sp/>are<sp/>all<sp/>ones?<sp/>=&gt;...<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="78"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>&amp;&amp;<sp/>((addr<sp/>&amp;<sp/>~ip4_addr_get_u32(netif_ip4_netmask(<ref refid="structnetif" kindref="compound">netif</ref>)))<sp/>==</highlight></codeline>
<codeline lineno="79"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>(IPADDR_BROADCAST<sp/>&amp;<sp/>~ip4_addr_get_u32(netif_ip4_netmask(<ref refid="structnetif" kindref="compound">netif</ref>)))))<sp/>{</highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>=&gt;<sp/>network<sp/>broadcast<sp/>address<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="81"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>1;</highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="84"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="85"><highlight class="normal">}</highlight></codeline>
<codeline lineno="86"><highlight class="normal"></highlight></codeline>
<codeline lineno="92"><highlight class="normal"><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref></highlight></codeline>
<codeline lineno="93"><highlight class="normal">ip4_addr_netmask_valid(<ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>netmask)</highlight></codeline>
<codeline lineno="94"><highlight class="normal">{</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>mask;</highlight></codeline>
<codeline lineno="96"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>nm_hostorder<sp/>=<sp/><ref refid="def_8c_1a14f94347a5b9b9e3602705b75b7ae524" kindref="member">lwip_htonl</ref>(netmask);</highlight></codeline>
<codeline lineno="97"><highlight class="normal"></highlight></codeline>
<codeline lineno="98"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/>first,<sp/>check<sp/>for<sp/>the<sp/>first<sp/>zero<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="99"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(mask<sp/>=<sp/>1UL<sp/>&lt;&lt;<sp/>31<sp/>;<sp/>mask<sp/>!=<sp/>0;<sp/>mask<sp/>&gt;&gt;=<sp/>1)<sp/>{</highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((nm_hostorder<sp/>&amp;<sp/>mask)<sp/>==<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="101"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="102"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/>then<sp/>check<sp/>that<sp/>there<sp/>is<sp/>no<sp/>one<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="105"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(;<sp/>mask<sp/>!=<sp/>0;<sp/>mask<sp/>&gt;&gt;=<sp/>1)<sp/>{</highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((nm_hostorder<sp/>&amp;<sp/>mask)<sp/>!=<sp/>0)<sp/>{</highlight></codeline>
<codeline lineno="107"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>there<sp/>is<sp/>a<sp/>one<sp/>after<sp/>the<sp/>first<sp/>zero<sp/>-&gt;<sp/>invalid<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="109"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="110"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*<sp/>no<sp/>one<sp/>after<sp/>the<sp/>first<sp/>zero<sp/>-&gt;<sp/>valid<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="112"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>1;</highlight></codeline>
<codeline lineno="113"><highlight class="normal">}</highlight></codeline>
<codeline lineno="114"><highlight class="normal"></highlight></codeline>
<codeline lineno="115"><highlight class="normal"></highlight><highlight class="comment">/*<sp/>Here<sp/>for<sp/>now<sp/>until<sp/>needed<sp/>in<sp/>other<sp/>places<sp/>in<sp/>lwIP<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="116"><highlight class="normal"></highlight><highlight class="preprocessor">#ifndef<sp/>isprint</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="117"><highlight class="normal"></highlight><highlight class="preprocessor">#define<sp/>in_range(c,<sp/>lo,<sp/>up)<sp/><sp/>((u8_t)c<sp/>&gt;=<sp/>lo<sp/>&amp;&amp;<sp/>(u8_t)c<sp/>&lt;=<sp/>up)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="118"><highlight class="normal"></highlight><highlight class="preprocessor">#define<sp/>isprint(c)<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>in_range(c,<sp/>0x20,<sp/>0x7f)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="119"><highlight class="normal"></highlight><highlight class="preprocessor">#define<sp/>isdigit(c)<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>in_range(c,<sp/>&apos;0&apos;,<sp/>&apos;9&apos;)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="120"><highlight class="normal"></highlight><highlight class="preprocessor">#define<sp/>isxdigit(c)<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>(isdigit(c)<sp/>||<sp/>in_range(c,<sp/>&apos;a&apos;,<sp/>&apos;f&apos;)<sp/>||<sp/>in_range(c,<sp/>&apos;A&apos;,<sp/>&apos;F&apos;))</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="121"><highlight class="normal"></highlight><highlight class="preprocessor">#define<sp/>islower(c)<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>in_range(c,<sp/>&apos;a&apos;,<sp/>&apos;z&apos;)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="122"><highlight class="normal"></highlight><highlight class="preprocessor">#define<sp/>isspace(c)<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>(c<sp/>==<sp/>&apos;<sp/>&apos;<sp/>||<sp/>c<sp/>==<sp/>&apos;\f&apos;<sp/>||<sp/>c<sp/>==<sp/>&apos;\n&apos;<sp/>||<sp/>c<sp/>==<sp/>&apos;\r&apos;<sp/>||<sp/>c<sp/>==<sp/>&apos;\t&apos;<sp/>||<sp/>c<sp/>==<sp/>&apos;\v&apos;)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="123"><highlight class="normal"></highlight><highlight class="preprocessor">#endif</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="124"><highlight class="normal"></highlight></codeline>
<codeline lineno="132"><highlight class="normal"><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref></highlight></codeline>
<codeline lineno="133"><highlight class="normal">ipaddr_addr(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>*cp)</highlight></codeline>
<codeline lineno="134"><highlight class="normal">{</highlight></codeline>
<codeline lineno="135"><highlight class="normal"><sp/><sp/>ip4_addr_t<sp/>val;</highlight></codeline>
<codeline lineno="136"><highlight class="normal"></highlight></codeline>
<codeline lineno="137"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(ip4addr_aton(cp,<sp/>&amp;val))<sp/>{</highlight></codeline>
<codeline lineno="138"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>ip4_addr_get_u32(&amp;val);</highlight></codeline>
<codeline lineno="139"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="140"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>(IPADDR_NONE);</highlight></codeline>
<codeline lineno="141"><highlight class="normal">}</highlight></codeline>
<codeline lineno="142"><highlight class="normal"></highlight></codeline>
<codeline lineno="154"><highlight class="keywordtype">int</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="155"><highlight class="normal">ip4addr_aton(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>*cp,<sp/>ip4_addr_t<sp/>*addr)</highlight></codeline>
<codeline lineno="156"><highlight class="normal">{</highlight></codeline>
<codeline lineno="157"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>val;</highlight></codeline>
<codeline lineno="158"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref><sp/>base;</highlight></codeline>
<codeline lineno="159"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>c;</highlight></codeline>
<codeline lineno="160"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>parts[4];</highlight></codeline>
<codeline lineno="161"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>*pp<sp/>=<sp/>parts;</highlight></codeline>
<codeline lineno="162"><highlight class="normal"></highlight></codeline>
<codeline lineno="163"><highlight class="normal"><sp/><sp/>c<sp/>=<sp/>*cp;</highlight></codeline>
<codeline lineno="164"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(;;)<sp/>{</highlight></codeline>
<codeline lineno="165"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*</highlight></codeline>
<codeline lineno="166"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/>*<sp/>Collect<sp/>number<sp/>up<sp/>to<sp/>``.&apos;&apos;.</highlight></codeline>
<codeline lineno="167"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/>*<sp/>Values<sp/>are<sp/>specified<sp/>as<sp/>for<sp/>C:</highlight></codeline>
<codeline lineno="168"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/>*<sp/>0x=hex,<sp/>0=octal,<sp/>1-9=decimal.</highlight></codeline>
<codeline lineno="169"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="170"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!isdigit(c))<sp/>{</highlight></codeline>
<codeline lineno="171"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="172"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="173"><highlight class="normal"><sp/><sp/><sp/><sp/>val<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="174"><highlight class="normal"><sp/><sp/><sp/><sp/>base<sp/>=<sp/>10;</highlight></codeline>
<codeline lineno="175"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(c<sp/>==<sp/></highlight><highlight class="charliteral">&apos;0&apos;</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="176"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>c<sp/>=<sp/>*++cp;</highlight></codeline>
<codeline lineno="177"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(c<sp/>==<sp/></highlight><highlight class="charliteral">&apos;x&apos;</highlight><highlight class="normal"><sp/>||<sp/>c<sp/>==<sp/></highlight><highlight class="charliteral">&apos;X&apos;</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="178"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>base<sp/>=<sp/>16;</highlight></codeline>
<codeline lineno="179"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>c<sp/>=<sp/>*++cp;</highlight></codeline>
<codeline lineno="180"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="181"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>base<sp/>=<sp/>8;</highlight></codeline>
<codeline lineno="182"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="183"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="184"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(;;)<sp/>{</highlight></codeline>
<codeline lineno="185"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(isdigit(c))<sp/>{</highlight></codeline>
<codeline lineno="186"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>val<sp/>=<sp/>(val<sp/>*<sp/>base)<sp/>+<sp/>(<ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref>)(c<sp/>-<sp/></highlight><highlight class="charliteral">&apos;0&apos;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="187"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>c<sp/>=<sp/>*++cp;</highlight></codeline>
<codeline lineno="188"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(base<sp/>==<sp/>16<sp/>&amp;&amp;<sp/>isxdigit(c))<sp/>{</highlight></codeline>
<codeline lineno="189"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>val<sp/>=<sp/>(val<sp/>&lt;&lt;<sp/>4)<sp/>|<sp/>(<ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref>)(c<sp/>+<sp/>10<sp/>-<sp/>(islower(c)<sp/>?<sp/></highlight><highlight class="charliteral">&apos;a&apos;</highlight><highlight class="normal"><sp/>:<sp/></highlight><highlight class="charliteral">&apos;A&apos;</highlight><highlight class="normal">));</highlight></codeline>
<codeline lineno="190"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>c<sp/>=<sp/>*++cp;</highlight></codeline>
<codeline lineno="191"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="192"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="193"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="194"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="195"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(c<sp/>==<sp/></highlight><highlight class="charliteral">&apos;.&apos;</highlight><highlight class="normal">)<sp/>{</highlight></codeline>
<codeline lineno="196"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*</highlight></codeline>
<codeline lineno="197"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/><sp/><sp/>*<sp/>Internet<sp/>format:</highlight></codeline>
<codeline lineno="198"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/><sp/><sp/>*<sp/><sp/>a.b.c.d</highlight></codeline>
<codeline lineno="199"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/><sp/><sp/>*<sp/><sp/>a.b.c<sp/><sp/><sp/>(with<sp/>c<sp/>treated<sp/>as<sp/>16<sp/>bits)</highlight></codeline>
<codeline lineno="200"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/><sp/><sp/>*<sp/><sp/>a.b<sp/>(with<sp/>b<sp/>treated<sp/>as<sp/>24<sp/>bits)</highlight></codeline>
<codeline lineno="201"><highlight class="comment"><sp/><sp/><sp/><sp/><sp/><sp/><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="202"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(pp<sp/>&gt;=<sp/>parts<sp/>+<sp/>3)<sp/>{</highlight></codeline>
<codeline lineno="203"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="204"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="205"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>*pp++<sp/>=<sp/>val;</highlight></codeline>
<codeline lineno="206"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>c<sp/>=<sp/>*++cp;</highlight></codeline>
<codeline lineno="207"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="208"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="209"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="210"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="211"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*</highlight></codeline>
<codeline lineno="212"><highlight class="comment"><sp/><sp/><sp/>*<sp/>Check<sp/>for<sp/>trailing<sp/>characters.</highlight></codeline>
<codeline lineno="213"><highlight class="comment"><sp/><sp/><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="214"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(c<sp/>!=<sp/></highlight><highlight class="charliteral">&apos;\0&apos;</highlight><highlight class="normal"><sp/>&amp;&amp;<sp/>!isspace(c))<sp/>{</highlight></codeline>
<codeline lineno="215"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="216"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="217"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">/*</highlight></codeline>
<codeline lineno="218"><highlight class="comment"><sp/><sp/><sp/>*<sp/>Concoct<sp/>the<sp/>address<sp/>according<sp/>to</highlight></codeline>
<codeline lineno="219"><highlight class="comment"><sp/><sp/><sp/>*<sp/>the<sp/>number<sp/>of<sp/>parts<sp/>specified.</highlight></codeline>
<codeline lineno="220"><highlight class="comment"><sp/><sp/><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="221"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">switch</highlight><highlight class="normal"><sp/>(pp<sp/>-<sp/>parts<sp/>+<sp/>1)<sp/>{</highlight></codeline>
<codeline lineno="222"><highlight class="normal"></highlight></codeline>
<codeline lineno="223"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>0:</highlight></codeline>
<codeline lineno="224"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;<sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>initial<sp/>nondigit<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="225"><highlight class="normal"></highlight></codeline>
<codeline lineno="226"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>1:<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>a<sp/>--<sp/>32<sp/>bits<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="227"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="228"><highlight class="normal"></highlight></codeline>
<codeline lineno="229"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>2:<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>a.b<sp/>--<sp/>8.24<sp/>bits<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="230"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(val<sp/>&gt;<sp/>0xffffffUL)<sp/>{</highlight></codeline>
<codeline lineno="231"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="232"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="233"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(parts[0]<sp/>&gt;<sp/>0xff)<sp/>{</highlight></codeline>
<codeline lineno="234"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="235"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="236"><highlight class="normal"><sp/><sp/><sp/><sp/>val<sp/>|=<sp/>parts[0]<sp/>&lt;&lt;<sp/>24;</highlight></codeline>
<codeline lineno="237"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="238"><highlight class="normal"></highlight></codeline>
<codeline lineno="239"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>3:<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>a.b.c<sp/>--<sp/>8.8.16<sp/>bits<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="240"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(val<sp/>&gt;<sp/>0xffff)<sp/>{</highlight></codeline>
<codeline lineno="241"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="242"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="243"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((parts[0]<sp/>&gt;<sp/>0xff)<sp/>||<sp/>(parts[1]<sp/>&gt;<sp/>0xff))<sp/>{</highlight></codeline>
<codeline lineno="244"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="245"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="246"><highlight class="normal"><sp/><sp/><sp/><sp/>val<sp/>|=<sp/>(parts[0]<sp/>&lt;&lt;<sp/>24)<sp/>|<sp/>(parts[1]<sp/>&lt;&lt;<sp/>16);</highlight></codeline>
<codeline lineno="247"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="248"><highlight class="normal"></highlight></codeline>
<codeline lineno="249"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>4:<sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">/*<sp/>a.b.c.d<sp/>--<sp/>8.8.8.8<sp/>bits<sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="250"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(val<sp/>&gt;<sp/>0xff)<sp/>{</highlight></codeline>
<codeline lineno="251"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="252"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="253"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>((parts[0]<sp/>&gt;<sp/>0xff)<sp/>||<sp/>(parts[1]<sp/>&gt;<sp/>0xff)<sp/>||<sp/>(parts[2]<sp/>&gt;<sp/>0xff))<sp/>{</highlight></codeline>
<codeline lineno="254"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>0;</highlight></codeline>
<codeline lineno="255"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="256"><highlight class="normal"><sp/><sp/><sp/><sp/>val<sp/>|=<sp/>(parts[0]<sp/>&lt;&lt;<sp/>24)<sp/>|<sp/>(parts[1]<sp/>&lt;&lt;<sp/>16)<sp/>|<sp/>(parts[2]<sp/>&lt;&lt;<sp/>8);</highlight></codeline>
<codeline lineno="257"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="258"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">default</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="259"><highlight class="normal"><sp/><sp/><sp/><sp/><ref refid="debug_8h_1a94ad086267808462beae2b38f91996ed" kindref="member">LWIP_ASSERT</ref>(</highlight><highlight class="stringliteral">&quot;unhandled&quot;</highlight><highlight class="normal">,<sp/>0);</highlight></codeline>
<codeline lineno="260"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="261"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="262"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(addr)<sp/>{</highlight></codeline>
<codeline lineno="263"><highlight class="normal"><sp/><sp/><sp/><sp/>ip4_addr_set_u32(addr,<sp/><ref refid="def_8c_1a14f94347a5b9b9e3602705b75b7ae524" kindref="member">lwip_htonl</ref>(val));</highlight></codeline>
<codeline lineno="264"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="265"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>1;</highlight></codeline>
<codeline lineno="266"><highlight class="normal">}</highlight></codeline>
<codeline lineno="267"><highlight class="normal"></highlight></codeline>
<codeline lineno="276"><highlight class="keywordtype">char</highlight><highlight class="normal">*</highlight></codeline>
<codeline lineno="277"><highlight class="normal">ip4addr_ntoa(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>ip4_addr_t<sp/>*addr)</highlight></codeline>
<codeline lineno="278"><highlight class="normal">{</highlight></codeline>
<codeline lineno="279"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>str[IP4ADDR_STRLEN_MAX];</highlight></codeline>
<codeline lineno="280"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>ip4addr_ntoa_r(addr,<sp/>str,<sp/>IP4ADDR_STRLEN_MAX);</highlight></codeline>
<codeline lineno="281"><highlight class="normal">}</highlight></codeline>
<codeline lineno="282"><highlight class="normal"></highlight></codeline>
<codeline lineno="292"><highlight class="keywordtype">char</highlight><highlight class="normal">*</highlight></codeline>
<codeline lineno="293"><highlight class="normal">ip4addr_ntoa_r(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>ip4_addr_t<sp/>*addr,<sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>*<ref refid="structbuf" kindref="compound">buf</ref>,<sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>buflen)</highlight></codeline>
<codeline lineno="294"><highlight class="normal">{</highlight></codeline>
<codeline lineno="295"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4c14294869aceba3ef9d4c0c302d0f33" kindref="member">u32_t</ref><sp/>s_addr;</highlight></codeline>
<codeline lineno="296"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>inv[3];</highlight></codeline>
<codeline lineno="297"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">char</highlight><highlight class="normal"><sp/>*rp;</highlight></codeline>
<codeline lineno="298"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref><sp/>*ap;</highlight></codeline>
<codeline lineno="299"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref><sp/>rem;</highlight></codeline>
<codeline lineno="300"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref><sp/>n;</highlight></codeline>
<codeline lineno="301"><highlight class="normal"><sp/><sp/><ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref><sp/>i;</highlight></codeline>
<codeline lineno="302"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordtype">int</highlight><highlight class="normal"><sp/>len<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="303"><highlight class="normal"></highlight></codeline>
<codeline lineno="304"><highlight class="normal"><sp/><sp/>s_addr<sp/>=<sp/>ip4_addr_get_u32(addr);</highlight></codeline>
<codeline lineno="305"><highlight class="normal"></highlight></codeline>
<codeline lineno="306"><highlight class="normal"><sp/><sp/>rp<sp/>=<sp/><ref refid="structbuf" kindref="compound">buf</ref>;</highlight></codeline>
<codeline lineno="307"><highlight class="normal"><sp/><sp/>ap<sp/>=<sp/>(<ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref><sp/>*)&amp;s_addr;</highlight></codeline>
<codeline lineno="308"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(n<sp/>=<sp/>0;<sp/>n<sp/>&lt;<sp/>4;<sp/>n++)<sp/>{</highlight></codeline>
<codeline lineno="309"><highlight class="normal"><sp/><sp/><sp/><sp/>i<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="310"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">do</highlight><highlight class="normal"><sp/>{</highlight></codeline>
<codeline lineno="311"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>rem<sp/>=<sp/>*ap<sp/>%<sp/>(<ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref>)10;</highlight></codeline>
<codeline lineno="312"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>*ap<sp/>/=<sp/>(<ref refid="group__compiler__abstraction_1ga4caecabca98b43919dd11be1c0d4cd8e" kindref="member">u8_t</ref>)10;</highlight></codeline>
<codeline lineno="313"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>inv[i++]<sp/>=<sp/>(char)(</highlight><highlight class="charliteral">&apos;0&apos;</highlight><highlight class="normal"><sp/>+<sp/>rem);</highlight></codeline>
<codeline lineno="314"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(*ap);</highlight></codeline>
<codeline lineno="315"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">while</highlight><highlight class="normal"><sp/>(i--)<sp/>{</highlight></codeline>
<codeline lineno="316"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(len++<sp/>&gt;=<sp/>buflen)<sp/>{</highlight></codeline>
<codeline lineno="317"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="fat__string_8h_1a070d2ce7b6bb7e5c05602aa8c308d0c4" kindref="member">NULL</ref>;</highlight></codeline>
<codeline lineno="318"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="319"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>*rp++<sp/>=<sp/>inv[i];</highlight></codeline>
<codeline lineno="320"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="321"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(len++<sp/>&gt;=<sp/>buflen)<sp/>{</highlight></codeline>
<codeline lineno="322"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="fat__string_8h_1a070d2ce7b6bb7e5c05602aa8c308d0c4" kindref="member">NULL</ref>;</highlight></codeline>
<codeline lineno="323"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="324"><highlight class="normal"><sp/><sp/><sp/><sp/>*rp++<sp/>=<sp/></highlight><highlight class="charliteral">&apos;.&apos;</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="325"><highlight class="normal"><sp/><sp/><sp/><sp/>ap++;</highlight></codeline>
<codeline lineno="326"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="327"><highlight class="normal"><sp/><sp/>*--rp<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="328"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/><ref refid="structbuf" kindref="compound">buf</ref>;</highlight></codeline>
<codeline lineno="329"><highlight class="normal">}</highlight></codeline>
<codeline lineno="330"><highlight class="normal"></highlight></codeline>
<codeline lineno="331"><highlight class="normal"></highlight><highlight class="preprocessor">#endif<sp/></highlight><highlight class="comment">/*<sp/>LWIP_IPV4<sp/>*/</highlight><highlight class="preprocessor"></highlight></codeline>
    </programlisting>
    <location file="C:/Dev/git/UbixOS/sys/net/core/ipv4/ip4_addr.c"/>
  </compounddef>
</doxygen>