<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>libnl: include/netlink/list.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libnl <span id="projectnumber">1.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>include/netlink/list.h</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * netlink/list.h Netlink List Utilities</span> <a name="l00003"></a>00003 <span class="comment"> *</span> <a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span> <a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span> <a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation version 2.1</span> <a name="l00007"></a>00007 <span class="comment"> * of the License.</span> <a name="l00008"></a>00008 <span class="comment"> *</span> <a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch></span> <a name="l00010"></a>00010 <span class="comment"> */</span> <a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="preprocessor">#ifndef NETLINK_LIST_H_</span> <a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define NETLINK_LIST_H_</span> <a name="l00014"></a>00014 <span class="preprocessor"></span> <a name="l00015"></a><a class="code" href="structnl__list__head.html">00015</a> <span class="keyword">struct </span><a class="code" href="structnl__list__head.html">nl_list_head</a> <a name="l00016"></a>00016 { <a name="l00017"></a>00017 <span class="keyword">struct </span><a class="code" href="structnl__list__head.html">nl_list_head</a> * next; <a name="l00018"></a>00018 <span class="keyword">struct </span><a class="code" href="structnl__list__head.html">nl_list_head</a> * prev; <a name="l00019"></a>00019 }; <a name="l00020"></a>00020 <a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> __nl_list_add(<span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *obj, <a name="l00023"></a>00023 <span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *prev, <a name="l00024"></a>00024 <span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *next) <a name="l00025"></a>00025 { <a name="l00026"></a>00026 prev->next = obj; <a name="l00027"></a>00027 obj->prev = prev; <a name="l00028"></a>00028 next->prev = obj; <a name="l00029"></a>00029 obj->next = next; <a name="l00030"></a>00030 } <a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> nl_list_add_tail(<span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *obj, <a name="l00033"></a>00033 <span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *head) <a name="l00034"></a>00034 { <a name="l00035"></a>00035 __nl_list_add(obj, head->prev, head); <a name="l00036"></a>00036 } <a name="l00037"></a>00037 <a name="l00038"></a>00038 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> nl_list_add_head(<span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *obj, <a name="l00039"></a>00039 <span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *head) <a name="l00040"></a>00040 { <a name="l00041"></a>00041 __nl_list_add(obj, head, head->next); <a name="l00042"></a>00042 } <a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> nl_list_del(<span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *obj) <a name="l00045"></a>00045 { <a name="l00046"></a>00046 obj->next->prev = obj->prev; <a name="l00047"></a>00047 obj->prev->next = obj->next; <a name="l00048"></a>00048 } <a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">int</span> nl_list_empty(<span class="keyword">struct</span> <a class="code" href="structnl__list__head.html">nl_list_head</a> *head) <a name="l00051"></a>00051 { <a name="l00052"></a>00052 <span class="keywordflow">return</span> head->next == head; <a name="l00053"></a>00053 } <a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="preprocessor">#define nl_container_of(ptr, type, member) ({ \</span> <a name="l00056"></a>00056 <span class="preprocessor"> const typeof( ((type *)0)->member ) *__mptr = (ptr); \</span> <a name="l00057"></a>00057 <span class="preprocessor"> (type *)( (char *)__mptr - ((size_t) &((type *)0)->member));})</span> <a name="l00058"></a>00058 <span class="preprocessor"></span> <a name="l00059"></a>00059 <span class="preprocessor">#define nl_list_entry(ptr, type, member) \</span> <a name="l00060"></a>00060 <span class="preprocessor"> nl_container_of(ptr, type, member)</span> <a name="l00061"></a>00061 <span class="preprocessor"></span> <a name="l00062"></a>00062 <span class="preprocessor">#define nl_list_at_tail(pos, head, member) \</span> <a name="l00063"></a>00063 <span class="preprocessor"> ((pos)->member.next == (head))</span> <a name="l00064"></a>00064 <span class="preprocessor"></span> <a name="l00065"></a>00065 <span class="preprocessor">#define nl_list_at_head(pos, head, member) \</span> <a name="l00066"></a>00066 <span class="preprocessor"> ((pos)->member.prev == (head))</span> <a name="l00067"></a>00067 <span class="preprocessor"></span> <a name="l00068"></a>00068 <span class="preprocessor">#define NL_LIST_HEAD(name) \</span> <a name="l00069"></a>00069 <span class="preprocessor"> struct nl_list_head name = { &(name), &(name) }</span> <a name="l00070"></a>00070 <span class="preprocessor"></span> <a name="l00071"></a>00071 <span class="preprocessor">#define nl_list_for_each_entry(pos, head, member) \</span> <a name="l00072"></a>00072 <span class="preprocessor"> for (pos = nl_list_entry((head)->next, typeof(*pos), member); \</span> <a name="l00073"></a>00073 <span class="preprocessor"> &(pos)->member != (head); \</span> <a name="l00074"></a>00074 <span class="preprocessor"> (pos) = nl_list_entry((pos)->member.next, typeof(*(pos)), member))</span> <a name="l00075"></a>00075 <span class="preprocessor"></span> <a name="l00076"></a>00076 <span class="preprocessor">#define nl_list_for_each_entry_safe(pos, n, head, member) \</span> <a name="l00077"></a>00077 <span class="preprocessor"> for (pos = nl_list_entry((head)->next, typeof(*pos), member), \</span> <a name="l00078"></a>00078 <span class="preprocessor"> n = nl_list_entry(pos->member.next, typeof(*pos), member); \</span> <a name="l00079"></a>00079 <span class="preprocessor"> &(pos)->member != (head); \</span> <a name="l00080"></a>00080 <span class="preprocessor"> pos = n, n = nl_list_entry(n->member.next, typeof(*n), member))</span> <a name="l00081"></a>00081 <span class="preprocessor"></span> <a name="l00082"></a>00082 <span class="preprocessor">#define nl_init_list_head(head) \</span> <a name="l00083"></a>00083 <span class="preprocessor"> do { (head)->next = (head); (head)->prev = (head); } while (0)</span> <a name="l00084"></a>00084 <span class="preprocessor"></span> <a name="l00085"></a>00085 <span class="preprocessor">#endif</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Mon Mar 21 2011 for libnl by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>