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<h1>include/netlink/list.h</h1> </div>
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<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>
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