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185 <h1>Creating a hashkit structure
<a class=
"headerlink" href=
"#creating-a-hashkit-structure" title=
"Permalink to this headline">¶
</a></h1>
186 <div class=
"section" id=
"synopsis">
187 <h2>SYNOPSIS
<a class=
"headerlink" href=
"#synopsis" title=
"Permalink to this headline">¶
</a></h2>
189 <dt>#include
<libhashkit-
1.0/hashkit.h
></dt><dd><p>Compile and link with -lhashkit
</p>
192 <dl class=
"cpp type">
193 <dt id=
"_CPPv410hashkit_st">
194 <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=
"sig-name descname">hashkit_st
</code><a class=
"headerlink" href=
"#_CPPv410hashkit_st" title=
"Permalink to this definition">¶
</a><br /></dt>
197 <dl class=
"cpp function">
198 <dt id=
"_CPPv414hashkit_createP10hashkit_st">
199 <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=
"sig-name 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>
200 <dd><dl class=
"field-list simple">
201 <dt class=
"field-odd">Parameters
</dt>
202 <dd class=
"field-odd"><p><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;
203 if a nullptr is passed, the struct will be dynamically allocated by libhashkit
</p>
205 <dt class=
"field-even">Returns
</dt>
206 <dd class=
"field-even"><p>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
</p>
211 <dl class=
"cpp function">
212 <dt id=
"_CPPv413hashkit_cloneP10hashkit_stPK10hashkit_st">
213 <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=
"sig-name 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>
214 <dd><dl class=
"field-list simple">
215 <dt class=
"field-odd">Parameters
</dt>
216 <dd class=
"field-odd"><ul class=
"simple">
217 <li><p><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;
218 if a nullptr is passed, the struct will be dynamically allocated by libhashkit
</p></li>
219 <li><p><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
</p></li>
222 <dt class=
"field-even">Returns
</dt>
223 <dd class=
"field-even"><p>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>
228 <dl class=
"cpp function">
229 <dt id=
"_CPPv412hashkit_freeP10hashkit_st">
230 <span id=
"_CPPv312hashkit_freeP10hashkit_st"></span><span id=
"_CPPv212hashkit_freeP10hashkit_st"></span><span id=
"hashkit_free__hashkit_stP"></span>void
<code class=
"sig-name 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>
231 <dd><dl class=
"field-list simple">
232 <dt class=
"field-odd">Parameters
</dt>
233 <dd class=
"field-odd"><p><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
</p>
238 <dl class=
"cpp function">
239 <dt id=
"_CPPv420hashkit_is_allocatedPK10hashkit_st">
240 <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=
"sig-name 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>
241 <dd><dl class=
"field-list simple">
242 <dt class=
"field-odd">Parameters
</dt>
243 <dd class=
"field-odd"><p><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
</p>
245 <dt class=
"field-even">Returns
</dt>
246 <dd class=
"field-even"><p>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
</p>
252 <div class=
"section" id=
"description">
253 <h2>DESCRIPTION
<a class=
"headerlink" href=
"#description" title=
"Permalink to this headline">¶
</a></h2>
254 <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
255 a nullptr argument for hash, then the memory for the object is allocated. If you
256 specify a pre-allocated piece of memory, that is initialized for use.
</p>
257 <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
258 <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
259 of the ptr hashkit object.
</p>
260 <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
261 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>
262 <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
265 <div class=
"section" id=
"return-value">
266 <h2>RETURN VALUE
<a class=
"headerlink" href=
"#return-value" title=
"Permalink to this headline">¶
</a></h2>
267 <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
268 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>
269 <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
270 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
271 and was user-supplied memory.
</p>
273 <div class=
"section" id=
"see-also">
274 <h2>SEE ALSO
<a class=
"headerlink" href=
"#see-also" title=
"Permalink to this headline">¶
</a></h2>
276 <li><p><a class=
"reference internal" href=
"../libhashkit.html"><span class=
"doc">libhashkit - C/C++ hashing library
</span></a></p></li>
277 <li><p><a class=
"reference internal" href=
"hashkit_value.html"><span class=
"doc">Generate hash value
</span></a></p></li>
278 <li><p><a class=
"reference internal" href=
"hashkit_function.html"><span class=
"doc">Set Hash Function
</span></a></p></li>
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"rst-footer-buttons" role=
"navigation" aria-label=
"footer navigation">
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