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<li class="navelem"><a class="el" href="dir_000000.html">include</a></li><li class="navelem"><a class="el" href="dir_000001.html">freetds</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* Dlist - dynamic list</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2016 Frediano Ziglio</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <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> <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> <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> <span class="comment"> * (at your option) any later version.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <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> <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> <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> <span class="comment"> * GNU General Public License for more details.</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <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> <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> <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> <span class="comment"> *</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> */</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <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> <span class="preprocessor">#error Required defines missing!</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="a00929.html"> 24</a></span> <span class="keyword">typedef</span> <span class="keyword">struct</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="a00925.html">dlist_ring</a> ring;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> } <a class="code" href="a00929.html">DLIST_LIST_TYPE</a>;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#undef DLIST_ITEM</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <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> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <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> {</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#if ENABLE_EXTRA_CHECKS</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  assert(list != NULL);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  dlist_ring_check(&list->ring);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> }</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <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> {</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  list->ring.next = list->ring.prev = &list->ring;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <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> {</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">return</span> list->ring.next == &list->ring ? NULL : DLIST_ITEM(list->ring.next);</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> }</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <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> {</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">return</span> list->ring.prev == &list->ring ? NULL : DLIST_ITEM(list->ring.prev);</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> }</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <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> {</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> item->DLIST_NAME(item).next == &list->ring ? NULL : DLIST_ITEM(item->DLIST_NAME(item).next);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <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> {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">return</span> item->DLIST_NAME(item).prev == &list->ring ? NULL : DLIST_ITEM(item->DLIST_NAME(item).prev);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> }</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <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> {</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  assert(item->DLIST_NAME(item).next == NULL && item->DLIST_NAME(item).prev == NULL);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  list->ring.next->prev = &item->DLIST_NAME(item);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  item->DLIST_NAME(item).next = list->ring.next;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  item->DLIST_NAME(item).prev = &list->ring;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  list->ring.next = &item->DLIST_NAME(item);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  assert(item->DLIST_NAME(item).next != NULL && item->DLIST_NAME(item).prev != NULL);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <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> {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  assert(item->DLIST_NAME(item).next == NULL && item->DLIST_NAME(item).prev == NULL);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  list->ring.prev->next = &item->DLIST_NAME(item);</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  item->DLIST_NAME(item).prev = list->ring.prev;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  item->DLIST_NAME(item).next = &list->ring;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  list->ring.prev = &item->DLIST_NAME(item);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  assert(item->DLIST_NAME(item).next != NULL && item->DLIST_NAME(item).prev != NULL);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <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> {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <a class="code" href="a00925.html">dlist_ring</a> *prev = item->DLIST_NAME(item).prev, *next = item->DLIST_NAME(item).next;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">if</span> (prev)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  prev->next = next;</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">if</span> (next)</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  next->prev = prev;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  item->DLIST_NAME(item).prev = NULL;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  item->DLIST_NAME(item).next = NULL;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <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> {</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  DLIST_NAME(check)(list);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">return</span> item->DLIST_NAME(item).prev != NULL || item->DLIST_NAME(item).next != NULL;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> }</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#undef DLIST_ITEM</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#undef DLIST_NAME</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#undef DLIST_TYPE</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="preprocessor">#undef DLIST_LIST_TYPE</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </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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