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180
181 <div class="section" id="creating-a-hashkit-structure">
182 <h1>Creating a hashkit structure<a class="headerlink" href="#creating-a-hashkit-structure" title="Permalink to this headline"></a></h1>
183 <div class="section" id="synopsis">
184 <h2>SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline"></a></h2>
185 <dl class="docutils">
186 <dt>#include &lt;libhashkit-1.0/hashkit.h&gt;</dt>
187 <dd>Compile and link with -lhashkit</dd>
188 </dl>
189 <dl class="type">
190 <dt id="_CPPv410hashkit_st">
191 <span id="_CPPv310hashkit_st"></span><span id="_CPPv210hashkit_st"></span><span id="hashkit_st"></span><em class="property">typedef </em><em class="property">struct</em> <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> <code class="descname">hashkit_st</code><a class="headerlink" href="#_CPPv410hashkit_st" title="Permalink to this definition"></a><br /></dt>
192 <dd></dd></dl>
193
194 <dl class="function">
195 <dt id="_CPPv414hashkit_createP10hashkit_st">
196 <span id="_CPPv314hashkit_createP10hashkit_st"></span><span id="_CPPv214hashkit_createP10hashkit_st"></span><span id="hashkit_create__hashkit_stP"></span><a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<code class="descname">hashkit_create</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<em>hash</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv414hashkit_createP10hashkit_st" title="Permalink to this definition"></a><br /></dt>
197 <dd><table class="docutils field-list" frame="void" rules="none">
198 <col class="field-name" />
199 <col class="field-body" />
200 <tbody valign="top">
201 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>hash</strong> -- memory address of a <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> struct;
202 if a nullptr is passed, the struct will be dynamically allocated by libhashkit</td>
203 </tr>
204 <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">pointer to initialized <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> structure</td>
205 </tr>
206 </tbody>
207 </table>
208 </dd></dl>
209
210 <dl class="function">
211 <dt id="_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st">
212 <span id="_CPPv313hashkit_cloneP10hashkit_stPK10hashkit_st"></span><span id="_CPPv213hashkit_cloneP10hashkit_stPK10hashkit_st"></span><span id="hashkit_clone__hashkit_stP.hashkit_stCP"></span><a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<code class="descname">hashkit_clone</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<em>destination</em>, <em class="property">const</em> <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<em>ptr</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="Permalink to this definition"></a><br /></dt>
213 <dd><table class="docutils field-list" frame="void" rules="none">
214 <col class="field-name" />
215 <col class="field-body" />
216 <tbody valign="top">
217 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
218 <li><strong>destination</strong> -- memory address of a <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> struct;
219 if a nullptr is passed, the struct will be dynamically allocated by libhashkit</li>
220 <li><strong>ptr</strong> -- pointer of the <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> struct to copy</li>
221 </ul>
222 </td>
223 </tr>
224 <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body"><p class="first last">pointer to a <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> structure (<a class="reference internal" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="hashkit_clone::destination"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">destination</span></code></a>, if not nullptr), initialized from <a class="reference internal" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="hashkit_clone::ptr"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">ptr</span></code></a></p>
225 </td>
226 </tr>
227 </tbody>
228 </table>
229 </dd></dl>
230
231 <dl class="function">
232 <dt id="_CPPv412hashkit_freeP10hashkit_st">
233 <span id="_CPPv312hashkit_freeP10hashkit_st"></span><span id="_CPPv212hashkit_freeP10hashkit_st"></span><span id="hashkit_free__hashkit_stP"></span>void <code class="descname">hashkit_free</code><span class="sig-paren">(</span><a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<em>hash</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv412hashkit_freeP10hashkit_st" title="Permalink to this definition"></a><br /></dt>
234 <dd><table class="docutils field-list" frame="void" rules="none">
235 <col class="field-name" />
236 <col class="field-body" />
237 <tbody valign="top">
238 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>hash</strong> -- pointer to an initialized <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> struct</td>
239 </tr>
240 </tbody>
241 </table>
242 </dd></dl>
243
244 <dl class="function">
245 <dt id="_CPPv420hashkit_is_allocatedPK10hashkit_st">
246 <span id="_CPPv320hashkit_is_allocatedPK10hashkit_st"></span><span id="_CPPv220hashkit_is_allocatedPK10hashkit_st"></span><span id="hashkit_is_allocated__hashkit_stCP"></span>bool <code class="descname">hashkit_is_allocated</code><span class="sig-paren">(</span><em class="property">const</em> <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st">hashkit_st</a> *<em>hash</em><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv420hashkit_is_allocatedPK10hashkit_st" title="Permalink to this definition"></a><br /></dt>
247 <dd><table class="docutils field-list" frame="void" rules="none">
248 <col class="field-name" />
249 <col class="field-body" />
250 <tbody valign="top">
251 <tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><strong>hash</strong> -- pointer to an initialized <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> struct</td>
252 </tr>
253 <tr class="field-even field"><th class="field-name">Returns:</th><td class="field-body">bool, whether the <a class="reference internal" href="#_CPPv420hashkit_is_allocatedPK10hashkit_st" title="hashkit_is_allocated::hash"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hash</span></code></a> struct was dynamically allocated</td>
254 </tr>
255 </tbody>
256 </table>
257 </dd></dl>
258
259 </div>
260 <div class="section" id="description">
261 <h2>DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
262 <p>The <a class="reference internal" href="#_CPPv414hashkit_createP10hashkit_st" title="hashkit_create"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_create()</span></code></a> function initializes a hashkit object for use. If you pass
263 a nullptr argument for hash, then the memory for the object is allocated. If you
264 specify a pre-allocated piece of memory, that is initialized for use.</p>
265 <p>The <a class="reference internal" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="hashkit_clone"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_clone()</span></code></a> function initializes a hashkit object much like
266 <a class="reference internal" href="#_CPPv414hashkit_createP10hashkit_st" title="hashkit_create"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_create()</span></code></a>, but instead of using default settings it will use the settings
267 of the ptr hashkit object.</p>
268 <p>The <a class="reference internal" href="#_CPPv412hashkit_freeP10hashkit_st" title="hashkit_free"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_free()</span></code></a> frees any resources being consumed by the hashkit objects
269 that were initialized with <a class="reference internal" href="#_CPPv414hashkit_createP10hashkit_st" title="hashkit_create"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_create()</span></code></a> or <a class="reference internal" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="hashkit_clone"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_clone()</span></code></a>.</p>
270 <p>The <a class="reference internal" href="#_CPPv420hashkit_is_allocatedPK10hashkit_st" title="hashkit_is_allocated"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_is_allocated()</span></code></a> reports whether the memory was allocated for a hashkit
271 object.</p>
272 </div>
273 <div class="section" id="return-value">
274 <h2>RETURN VALUE<a class="headerlink" href="#return-value" title="Permalink to this headline"></a></h2>
275 <p><a class="reference internal" href="#_CPPv414hashkit_createP10hashkit_st" title="hashkit_create"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_create()</span></code></a> and <a class="reference internal" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="hashkit_clone"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_clone()</span></code></a> will return nullptr on failure or pointer
276 to <a class="reference internal" href="#_CPPv410hashkit_st" title="hashkit_st"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_st</span></code></a> on success.</p>
277 <p><a class="reference internal" href="#_CPPv420hashkit_is_allocatedPK10hashkit_st" title="hashkit_is_allocated"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_is_allocated()</span></code></a> returns true if the memory for the hashkit object was
278 allocated inside of <a class="reference internal" href="#_CPPv414hashkit_createP10hashkit_st" title="hashkit_create"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_create()</span></code></a> or <a class="reference internal" href="#_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st" title="hashkit_clone"><code class="xref cpp cpp-any docutils literal notranslate"><span class="pre">hashkit_clone()</span></code></a>, otherwise it is false
279 and was user-supplied memory.</p>
280 </div>
281 <div class="section" id="see-also">
282 <h2>SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline"></a></h2>
283 <ul class="simple">
284 <li><a class="reference internal" href="../libhashkit.html"><span class="doc">libhashkit - C/C++ hashing library</span></a></li>
285 <li><a class="reference internal" href="hashkit_value.html"><span class="doc">Generate hash value</span></a></li>
286 <li><a class="reference internal" href="hashkit_function.html"><span class="doc">Set Hash Function</span></a></li>
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