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<h1>ip_addr.h</h1><div class="fragment"><pre>00001 <span class="comment">/*</span>
00002 <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span>
00003 <span class="comment"> * All rights reserved. </span>
00004 <span class="comment"> *</span>
00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without </span>
00006 <span class="comment"> * modification, are permitted provided that the following conditions </span>
00007 <span class="comment"> * are met: </span>
00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span>
00009 <span class="comment"> * notice, this list of conditions and the following disclaimer. </span>
00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span>
00011 <span class="comment"> * notice, this list of conditions and the following disclaimer in the </span>
00012 <span class="comment"> * documentation and/or other materials provided with the distribution. </span>
00013 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span>
00014 <span class="comment"> * may be used to endorse or promote products derived from this software </span>
00015 <span class="comment"> * without specific prior written permission. </span>
00016 <span class="comment"> *</span>
00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span>
00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span>
00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span>
00020 <span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span>
00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span>
00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span>
00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span>
00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span>
00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span>
00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span>
00027 <span class="comment"> * SUCH DAMAGE. </span>
00028 <span class="comment"> *</span>
00029 <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span>
00030 <span class="comment"> * </span>
00031 <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span>
00032 <span class="comment"> *</span>
00033 <span class="comment"> * $Id$</span>
00034 <span class="comment"> */</span>
00035 <span class="preprocessor">#ifndef __LWIP_IP_ADDR_H__</span>
00036 <span class="preprocessor"></span><span class="preprocessor">#define __LWIP_IP_ADDR_H__</span>
00037 <span class="preprocessor"></span>
00038 <span class="preprocessor">#include "net/arch.h"</span>
00039
00040 <span class="preprocessor">#define IP_ADDR_ANY 0</span>
00041 <span class="preprocessor"></span>
00042 <span class="keyword">struct </span>ip_addr {
00043 u32_t addr[4];
00044 };
00045
00046 <span class="preprocessor">#define IP6_ADDR(ipaddr, a,b,c,d,e,f,g,h) do { (ipaddr)->addr[0] = htonl((u32_t)((a & 0xffff) << 16) | (b & 0xffff)); \</span>
00047 <span class="preprocessor"> (ipaddr)->addr[1] = htonl(((c & 0xffff) << 16) | (d & 0xffff)); \</span>
00048 <span class="preprocessor"> (ipaddr)->addr[2] = htonl(((e & 0xffff) << 16) | (f & 0xffff)); \</span>
00049 <span class="preprocessor"> (ipaddr)->addr[3] = htonl(((g & 0xffff) << 16) | (h & 0xffff)); } while(0)</span>
00050 <span class="preprocessor"></span>
00051 <span class="keywordtype">int</span> ip_addr_maskcmp(<span class="keyword">struct</span> ip_addr *addr1, <span class="keyword">struct</span> ip_addr *addr2,
00052 <span class="keyword">struct</span> ip_addr *mask);
00053 <span class="keywordtype">int</span> ip_addr_cmp(<span class="keyword">struct</span> ip_addr *addr1, <span class="keyword">struct</span> ip_addr *addr2);
00054 <span class="keywordtype">void</span> ip_addr_set(<span class="keyword">struct</span> ip_addr *dest, <span class="keyword">struct</span> ip_addr *src);
00055 <span class="keywordtype">int</span> ip_addr_isany(<span class="keyword">struct</span> ip_addr *addr);
00056
00057
00058 <span class="preprocessor">#if IP_DEBUG</span>
00059 <span class="preprocessor"></span><span class="keywordtype">void</span> ip_addr_debug_print(<span class="keyword">struct</span> ip_addr *addr);
00060 <span class="preprocessor">#endif </span><span class="comment">/* IP_DEBUG */</span>
00061
00062 <span class="preprocessor">#endif </span><span class="comment">/* __LWIP_IP_ADDR_H__ */</span>
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