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<div id="projectname">libaaruformat<span id="projectnumber">&#160;1.0</span>
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<div id="projectbrief">Aaru Data Preservation Suite - Format Library</div>
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<a href="hash__map_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> * This file is part of the Aaru Data Preservation Suite.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> * Copyright (c) 2019-2026 Natalia Portillo.</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> *</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> * This library is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> * it under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> * published by the Free Software Foundation; either version 2.1 of the</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> * License, or (at your option) any later version.</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment"> *</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment"> * This library is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment"> *</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment"> * License along with this library; if not, see &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment"> */</span></div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#include &lt;stdint.h&gt;</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include &quot;<a class="code" href="hash__map_8h.html">hash_map.h</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"><a class="line" href="hash__map_8c.html#a40958a1382463445e451148e3a93e049"> 25</a></span><span class="preprocessor">#define INITIAL_SIZE 1024</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"><a class="line" href="hash__map_8c.html#a846f78d98a30c431ef3a4d570e657913"> 26</a></span><span class="preprocessor">#define LOAD_FACTOR 0.75</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"><a class="line" href="hash__map_8c.html#a614af37e22c4614e66ca11ccaa1beda6"> 27</a></span><span class="preprocessor">#define LARGE_MAP_THRESHOLD (2ULL * 1024 * 1024 * 1024 / sizeof(kv_pair_t)) </span><span class="comment">// ~2GB worth of entries</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"><a class="line" href="hash__map_8c.html#a38c4d7f794a3272aea11f3653fcf04c4"> 28</a></span><span class="preprocessor">#define LARGE_GROWTH_FACTOR 1.25 </span><span class="comment">// 25% growth for large maps</span></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span></div>
<div class="foldopen" id="foldopen00051" data-start="{" data-end="}">
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"><a class="line" href="hash__map_8h.html#a4698f62d88ee9530fb93bf672455676f"> 51</a></span><a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a> *<a class="code hl_function" href="hash__map_8c.html#a4698f62d88ee9530fb93bf672455676f">create_map</a>(<span class="keywordtype">size_t</span> size)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>{</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// Enforce minimum size to prevent division by zero in modulo operations</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> <span class="keywordflow">if</span>(size &lt; <a class="code hl_define" href="hash__map_8c.html#a40958a1382463445e451148e3a93e049">INITIAL_SIZE</a>) size = <a class="code hl_define" href="hash__map_8c.html#a40958a1382463445e451148e3a93e049">INITIAL_SIZE</a>;</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a> *map = malloc(<span class="keyword">sizeof</span>(<a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a>));</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a> = calloc(size, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structkv__pair__t.html">kv_pair_t</a>));</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a> = size;</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#a32b1f62bf18d74209db0afe797d69bae">count</a> = 0;</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> map;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>}</div>
</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span></div>
<div class="foldopen" id="foldopen00078" data-start="{" data-end="}">
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"><a class="line" href="hash__map_8h.html#ab885e8c5bedaf6f3cca1877e378fd04f"> 78</a></span><span class="keywordtype">void</span> <a class="code hl_function" href="hash__map_8c.html#ab885e8c5bedaf6f3cca1877e378fd04f">free_map</a>(<a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a> *map)</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span>{</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> free(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>);</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> free(map);</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span>}</div>
</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span></div>
<div class="foldopen" id="foldopen00103" data-start="{" data-end="}">
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"><a class="line" href="hash__map_8c.html#a149bd33c2f2fe226e330d4e0177d36fa"> 103</a></span><span class="keyword">static</span> <span class="keywordtype">size_t</span> <a class="code hl_function" href="hash__map_8c.html#a149bd33c2f2fe226e330d4e0177d36fa">calculate_new_size</a>(<span class="keywordtype">size_t</span> current_size)</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span>{</div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">if</span>(current_size &lt; <a class="code hl_define" href="hash__map_8c.html#a614af37e22c4614e66ca11ccaa1beda6">LARGE_MAP_THRESHOLD</a>) <span class="keywordflow">return</span> current_size * 2;</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> </div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)((double)current_size * <a class="code hl_define" href="hash__map_8c.html#a38c4d7f794a3272aea11f3653fcf04c4">LARGE_GROWTH_FACTOR</a>);</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span>}</div>
</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span></div>
<div class="foldopen" id="foldopen00133" data-start="{" data-end="}">
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"><a class="line" href="hash__map_8c.html#ad662d4309e791d854bc7a788b1cddf34"> 133</a></span><span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code hl_function" href="hash__map_8c.html#ad662d4309e791d854bc7a788b1cddf34">resize_map</a>(<a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a> *map, <span class="keywordtype">size_t</span> new_size)</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span>{</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> <a class="code hl_struct" href="structkv__pair__t.html">kv_pair_t</a> *old_table = map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>;</div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="keywordtype">size_t</span> old_size = map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a>;</div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> </div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a> = calloc(new_size, <span class="keyword">sizeof</span>(<a class="code hl_struct" href="structkv__pair__t.html">kv_pair_t</a>));</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a> = new_size;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#a32b1f62bf18d74209db0afe797d69bae">count</a> = 0;</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">for</span>(<span class="keywordtype">size_t</span> i = 0; i &lt; old_size; i++)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="keywordflow">if</span>(old_table[i].key != 0)</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> {</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> <span class="comment">// Re-insert</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> <span class="keywordtype">size_t</span> idx = old_table[i].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> % new_size;</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> != 0) idx = (idx + 1) % new_size;</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx] = old_table[i];</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#a32b1f62bf18d74209db0afe797d69bae">count</a>++;</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> }</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> free(old_table);</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span>}</div>
</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span></div>
<div class="foldopen" id="foldopen00185" data-start="{" data-end="}">
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"><a class="line" href="hash__map_8h.html#a56a11edd19b5362f1dd719a11c06f892"> 185</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="hash__map_8c.html#a56a11edd19b5362f1dd719a11c06f892">insert_map</a>(<a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a> *map, uint64_t key, uint64_t value)</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span>{</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">if</span>((<span class="keywordtype">double</span>)map-&gt;<a class="code hl_variable" href="structhash__map__t.html#a32b1f62bf18d74209db0afe797d69bae">count</a> / map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a> &gt; <a class="code hl_define" href="hash__map_8c.html#a846f78d98a30c431ef3a4d570e657913">LOAD_FACTOR</a>) <a class="code hl_function" href="hash__map_8c.html#ad662d4309e791d854bc7a788b1cddf34">resize_map</a>(map, <a class="code hl_function" href="hash__map_8c.html#a149bd33c2f2fe226e330d4e0177d36fa">calculate_new_size</a>(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a>));</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> </div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> <span class="keywordtype">size_t</span> idx = key % map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a>;</div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> </div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> != 0 &amp;&amp; map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> != key) idx = (idx + 1) % map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a>;</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> == key) <span class="keywordflow">return</span> <span class="keyword">false</span>; <span class="comment">// Already present</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> = key;</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#adf26f353bbdec145acb6e64403f94179">value</a> = value;</div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> map-&gt;<a class="code hl_variable" href="structhash__map__t.html#a32b1f62bf18d74209db0afe797d69bae">count</a>++;</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span></div>
<div class="foldopen" id="foldopen00228" data-start="{" data-end="}">
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"><a class="line" href="hash__map_8h.html#a0719b4ee8aaa73765678b6b1db733fcd"> 228</a></span><span class="keywordtype">bool</span> <a class="code hl_function" href="hash__map_8c.html#a0719b4ee8aaa73765678b6b1db733fcd">lookup_map</a>(<span class="keyword">const</span> <a class="code hl_struct" href="structhash__map__t.html">hash_map_t</a> *map, uint64_t key, uint64_t *out_value)</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span>{</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> <span class="keywordtype">size_t</span> idx = key % map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a>;</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> <span class="keywordflow">while</span>(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> != 0)</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> {</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> <span class="keywordflow">if</span>(map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">key</a> == key)</div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> {</div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> *out_value = map-&gt;<a class="code hl_variable" href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">table</a>[idx].<a class="code hl_variable" href="structkv__pair__t.html#adf26f353bbdec145acb6e64403f94179">value</a>;</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> }</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> idx = (idx + 1) % map-&gt;<a class="code hl_variable" href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">size</a>;</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> }</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> </div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span>}</div>
</div>
<div class="ttc" id="ahash__map_8c_html_a0719b4ee8aaa73765678b6b1db733fcd"><div class="ttname"><a href="hash__map_8c.html#a0719b4ee8aaa73765678b6b1db733fcd">lookup_map</a></div><div class="ttdeci">bool lookup_map(const hash_map_t *map, uint64_t key, uint64_t *out_value)</div><div class="ttdoc">Looks up a value by key in the hash map.</div><div class="ttdef"><b>Definition</b> <a href="#l00228">hash_map.c:228</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a149bd33c2f2fe226e330d4e0177d36fa"><div class="ttname"><a href="hash__map_8c.html#a149bd33c2f2fe226e330d4e0177d36fa">calculate_new_size</a></div><div class="ttdeci">static size_t calculate_new_size(size_t current_size)</div><div class="ttdoc">Calculates the new size for hash map resizing.</div><div class="ttdef"><b>Definition</b> <a href="#l00103">hash_map.c:103</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a38c4d7f794a3272aea11f3653fcf04c4"><div class="ttname"><a href="hash__map_8c.html#a38c4d7f794a3272aea11f3653fcf04c4">LARGE_GROWTH_FACTOR</a></div><div class="ttdeci">#define LARGE_GROWTH_FACTOR</div><div class="ttdef"><b>Definition</b> <a href="#l00028">hash_map.c:28</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a40958a1382463445e451148e3a93e049"><div class="ttname"><a href="hash__map_8c.html#a40958a1382463445e451148e3a93e049">INITIAL_SIZE</a></div><div class="ttdeci">#define INITIAL_SIZE</div><div class="ttdef"><b>Definition</b> <a href="#l00025">hash_map.c:25</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a4698f62d88ee9530fb93bf672455676f"><div class="ttname"><a href="hash__map_8c.html#a4698f62d88ee9530fb93bf672455676f">create_map</a></div><div class="ttdeci">hash_map_t * create_map(size_t size)</div><div class="ttdoc">Creates a new hash map with the specified initial size.</div><div class="ttdef"><b>Definition</b> <a href="#l00051">hash_map.c:51</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a56a11edd19b5362f1dd719a11c06f892"><div class="ttname"><a href="hash__map_8c.html#a56a11edd19b5362f1dd719a11c06f892">insert_map</a></div><div class="ttdeci">bool insert_map(hash_map_t *map, uint64_t key, uint64_t value)</div><div class="ttdoc">Inserts a key-value pair into the hash map.</div><div class="ttdef"><b>Definition</b> <a href="#l00185">hash_map.c:185</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a614af37e22c4614e66ca11ccaa1beda6"><div class="ttname"><a href="hash__map_8c.html#a614af37e22c4614e66ca11ccaa1beda6">LARGE_MAP_THRESHOLD</a></div><div class="ttdeci">#define LARGE_MAP_THRESHOLD</div><div class="ttdef"><b>Definition</b> <a href="#l00027">hash_map.c:27</a></div></div>
<div class="ttc" id="ahash__map_8c_html_a846f78d98a30c431ef3a4d570e657913"><div class="ttname"><a href="hash__map_8c.html#a846f78d98a30c431ef3a4d570e657913">LOAD_FACTOR</a></div><div class="ttdeci">#define LOAD_FACTOR</div><div class="ttdef"><b>Definition</b> <a href="#l00026">hash_map.c:26</a></div></div>
<div class="ttc" id="ahash__map_8c_html_ab885e8c5bedaf6f3cca1877e378fd04f"><div class="ttname"><a href="hash__map_8c.html#ab885e8c5bedaf6f3cca1877e378fd04f">free_map</a></div><div class="ttdeci">void free_map(hash_map_t *map)</div><div class="ttdoc">Frees all memory associated with a hash map.</div><div class="ttdef"><b>Definition</b> <a href="#l00078">hash_map.c:78</a></div></div>
<div class="ttc" id="ahash__map_8c_html_ad662d4309e791d854bc7a788b1cddf34"><div class="ttname"><a href="hash__map_8c.html#ad662d4309e791d854bc7a788b1cddf34">resize_map</a></div><div class="ttdeci">static void resize_map(hash_map_t *map, size_t new_size)</div><div class="ttdoc">Resizes the hash map to a new size and rehashes all entries.</div><div class="ttdef"><b>Definition</b> <a href="#l00133">hash_map.c:133</a></div></div>
<div class="ttc" id="ahash__map_8h_html"><div class="ttname"><a href="hash__map_8h.html">hash_map.h</a></div></div>
<div class="ttc" id="astructhash__map__t_html"><div class="ttname"><a href="structhash__map__t.html">hash_map_t</a></div><div class="ttdoc">Minimal open-addressing hash map for 64-bit key/value pairs used in deduplication lookup.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00049">hash_map.h:50</a></div></div>
<div class="ttc" id="astructhash__map__t_html_a32b1f62bf18d74209db0afe797d69bae"><div class="ttname"><a href="structhash__map__t.html#a32b1f62bf18d74209db0afe797d69bae">hash_map_t::count</a></div><div class="ttdeci">size_t count</div><div class="ttdoc">Number of active (filled) entries.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00053">hash_map.h:53</a></div></div>
<div class="ttc" id="astructhash__map__t_html_acfa07d46992978b9a9d07522fcf920b8"><div class="ttname"><a href="structhash__map__t.html#acfa07d46992978b9a9d07522fcf920b8">hash_map_t::size</a></div><div class="ttdeci">size_t size</div><div class="ttdoc">Allocated slot capacity of table.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00052">hash_map.h:52</a></div></div>
<div class="ttc" id="astructhash__map__t_html_aeaa8747727df544b4757e6c46aa8779f"><div class="ttname"><a href="structhash__map__t.html#aeaa8747727df544b4757e6c46aa8779f">hash_map_t::table</a></div><div class="ttdeci">kv_pair_t * table</div><div class="ttdoc">Array of key/value slots of length == size.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00051">hash_map.h:51</a></div></div>
<div class="ttc" id="astructkv__pair__t_html"><div class="ttname"><a href="structkv__pair__t.html">kv_pair_t</a></div><div class="ttdoc">Single key/value slot used internally by the open-addressing hash map.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00032">hash_map.h:33</a></div></div>
<div class="ttc" id="astructkv__pair__t_html_adf26f353bbdec145acb6e64403f94179"><div class="ttname"><a href="structkv__pair__t.html#adf26f353bbdec145acb6e64403f94179">kv_pair_t::value</a></div><div class="ttdeci">uint64_t value</div><div class="ttdoc">Associated value payload (64-bit) stored alongside the key.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00035">hash_map.h:35</a></div></div>
<div class="ttc" id="astructkv__pair__t_html_af199f6a611354ad86e985d885f72ea02"><div class="ttname"><a href="structkv__pair__t.html#af199f6a611354ad86e985d885f72ea02">kv_pair_t::key</a></div><div class="ttdeci">uint64_t key</div><div class="ttdoc">Stored key (64-bit). May use a reserved sentinel to denote an empty slot.</div><div class="ttdef"><b>Definition</b> <a href="hash__map_8h_source.html#l00034">hash_map.h:34</a></div></div>
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