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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* Dlist - dynamic list</span></div><div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (C) 2016 Frediano Ziglio</span></div><div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div><div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * it under the terms of the GNU General Public License as published by</span></div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * (at your option) any later version.</span></div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * This program is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span></div><div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * GNU General Public License for more details.</span></div><div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * You should have received a copy of the GNU General Public License</span></div><div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * along with this program; if not, write to the Free Software</span></div><div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span></div><div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> *</span></div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#if !defined(DLIST_NAME) || !defined(DLIST_TYPE) || !defined(DLIST_LIST_TYPE)</span></div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#error Required defines missing!</span></div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="a00929.html">   24</a></span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;{</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <a class="code" href="a00925.html">dlist_ring</a> ring;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;} <a class="code" href="a00929.html">DLIST_LIST_TYPE</a>;</div><div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="preprocessor">#undef DLIST_ITEM</span></div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="preprocessor">#define DLIST_ITEM(ring) ((DLIST_TYPE *) (((char *) (ring)) - TDS_OFFSET(DLIST_TYPE, DLIST_NAME(item))))</span></div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> DLIST_NAME(check)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list)</div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;{</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#if ENABLE_EXTRA_CHECKS</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    assert(list != NULL);</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    dlist_ring_check(&amp;list-&gt;ring);</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;}</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> DLIST_NAME(init)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list)</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;{</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    list-&gt;ring.next = list-&gt;ring.prev = &amp;list-&gt;ring;</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;}</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> DLIST_TYPE *DLIST_NAME(first)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list)</div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;{</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="keywordflow">return</span> list-&gt;ring.next == &amp;list-&gt;ring ? NULL : DLIST_ITEM(list-&gt;ring.next);</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;}</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> DLIST_TYPE *DLIST_NAME(last)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list)</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;{</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="keywordflow">return</span> list-&gt;ring.prev == &amp;list-&gt;ring ? NULL : DLIST_ITEM(list-&gt;ring.prev);</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;}</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> DLIST_TYPE *DLIST_NAME(next)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list, DLIST_TYPE *item)</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;{</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordflow">return</span> item-&gt;DLIST_NAME(item).next == &amp;list-&gt;ring ? NULL : DLIST_ITEM(item-&gt;DLIST_NAME(item).next);</div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;}</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> DLIST_TYPE *DLIST_NAME(prev)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list, DLIST_TYPE *item)</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;{</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keywordflow">return</span> item-&gt;DLIST_NAME(item).prev == &amp;list-&gt;ring ? NULL : DLIST_ITEM(item-&gt;DLIST_NAME(item).prev);</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;}</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> DLIST_NAME(prepend)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list, DLIST_TYPE *item)</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;{</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    assert(item-&gt;DLIST_NAME(item).next == NULL &amp;&amp; item-&gt;DLIST_NAME(item).prev == NULL);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    list-&gt;ring.next-&gt;prev = &amp;item-&gt;DLIST_NAME(item);</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    item-&gt;DLIST_NAME(item).next = list-&gt;ring.next;</div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;    item-&gt;DLIST_NAME(item).prev = &amp;list-&gt;ring;</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    list-&gt;ring.next = &amp;item-&gt;DLIST_NAME(item);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;    assert(item-&gt;DLIST_NAME(item).next != NULL &amp;&amp; item-&gt;DLIST_NAME(item).prev != NULL);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;}</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> DLIST_NAME(append)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list, DLIST_TYPE *item)</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;{</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    assert(item-&gt;DLIST_NAME(item).next == NULL &amp;&amp; item-&gt;DLIST_NAME(item).prev == NULL);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;    list-&gt;ring.prev-&gt;next = &amp;item-&gt;DLIST_NAME(item);</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    item-&gt;DLIST_NAME(item).prev = list-&gt;ring.prev;</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    item-&gt;DLIST_NAME(item).next = &amp;list-&gt;ring;</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;    list-&gt;ring.prev = &amp;item-&gt;DLIST_NAME(item);</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    assert(item-&gt;DLIST_NAME(item).next != NULL &amp;&amp; item-&gt;DLIST_NAME(item).prev != NULL);</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;}</div><div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div><div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> DLIST_NAME(<span class="keyword">remove</span>)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list, DLIST_TYPE *item)</div><div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;{</div><div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;    <a class="code" href="a00925.html">dlist_ring</a> *prev = item-&gt;DLIST_NAME(item).prev, *next = item-&gt;DLIST_NAME(item).next;</div><div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keywordflow">if</span> (prev)</div><div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;        prev-&gt;next = next;</div><div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keywordflow">if</span> (next)</div><div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;        next-&gt;prev = prev;</div><div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    item-&gt;DLIST_NAME(item).prev = NULL;</div><div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    item-&gt;DLIST_NAME(item).next = NULL;</div><div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;}</div><div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;</div><div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="keyword">static</span> <span class="keyword">inline</span> <span class="keywordtype">bool</span> DLIST_NAME(in_list)(<a class="code" href="a00929.html">DLIST_LIST_TYPE</a> *list, DLIST_TYPE *item)</div><div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;{</div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    DLIST_NAME(check)(list);</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    <span class="keywordflow">return</span> item-&gt;DLIST_NAME(item).prev != NULL || item-&gt;DLIST_NAME(item).next != NULL;</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;}</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="preprocessor">#undef DLIST_ITEM</span></div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="preprocessor">#undef DLIST_NAME</span></div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="preprocessor">#undef DLIST_TYPE</span></div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="preprocessor">#undef DLIST_LIST_TYPE</span></div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div><div class="ttc" id="a00929_html"><div class="ttname"><a href="a00929.html">DLIST_LIST_TYPE</a></div><div class="ttdef"><b>Definition:</b> dlist.tmpl.h:24</div></div>
<div class="ttc" id="a00925_html"><div class="ttname"><a href="a00925.html">dlist_ring</a></div><div class="ttdef"><b>Definition:</b> dlist.h:23</div></div>
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