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184 <div class=
"section" id=
"set-hash-function">
185 <h1>Set Hash Function
<a class=
"headerlink" href=
"#set-hash-function" 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=
"_CPPv415hashkit_hash_fn">
194 <span id=
"_CPPv315hashkit_hash_fn"></span><span id=
"_CPPv215hashkit_hash_fn"></span><span id=
"hashkit_hash_fn"></span><em class=
"property">typedef
</em>uint32_t (*
<code class=
"sig-name descname">hashkit_hash_fn
</code>)
<span class=
"sig-paren">(
</span><em class=
"property">const
</em> char *key, size_t key_length, void *context
<span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv415hashkit_hash_fn" title=
"Permalink to this definition">¶
</a><br /></dt>
195 <dd><dl class=
"field-list simple">
196 <dt class=
"field-odd">Parameters
</dt>
197 <dd class=
"field-odd"><ul class=
"simple">
198 <li><p><strong>key
</strong> -- the key to generate a hash of
</p></li>
199 <li><p><strong>key_length
</strong> -- the length of the
<code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">key
</span></code> without any terminating zero byte
</p></li>
200 <li><p><strong>context
</strong> -- the custom hash function context set through
<a class=
"reference internal" href=
"#_CPPv427hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv" title=
"hashkit_set_custom_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_set_custom_function()
</span></code></a> or
<a class=
"reference internal" href=
"#_CPPv440hashkit_set_custom_distribution_functionP10hashkit_st15hashkit_hash_fnPv" title=
"hashkit_set_custom_distribution_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_set_custom_distribution_function()
</span></code></a></p></li>
203 <dt class=
"field-even">Returns
</dt>
204 <dd class=
"field-even"><p>the custom hash function should return a hash value for
<code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">key
</span></code> as an unsigned
32bit integer
</p>
210 <dt id=
"c.hashkit_return_t">
211 <em class=
"property">typedef
</em><em class=
"property">enum
</em> <a class=
"reference internal" href=
"#c.hashkit_return_t" title=
"hashkit_return_t">hashkit_return_t
</a> <code class=
"sig-name descname">hashkit_return_t
</code><a class=
"headerlink" href=
"#c.hashkit_return_t" title=
"Permalink to this definition">¶
</a><br /></dt>
214 <dl class=
"cpp enum">
215 <dt id=
"_CPPv416hashkit_return_t">
216 <span id=
"_CPPv316hashkit_return_t"></span><span id=
"_CPPv216hashkit_return_t"></span><em class=
"property">enum
</em><code class=
"sig-name descname">hashkit_return_t
</code><a class=
"headerlink" href=
"#_CPPv416hashkit_return_t" title=
"Permalink to this definition">¶
</a><br /></dt>
217 <dd><dl class=
"cpp enumerator">
218 <dt id=
"_CPPv4N16hashkit_return_t15HASHKIT_SUCCESSE">
219 <span id=
"_CPPv3N16hashkit_return_t15HASHKIT_SUCCESSE"></span><span id=
"_CPPv2N16hashkit_return_t15HASHKIT_SUCCESSE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_SUCCESS
</code><a class=
"headerlink" href=
"#_CPPv4N16hashkit_return_t15HASHKIT_SUCCESSE" title=
"Permalink to this definition">¶
</a><br /></dt>
220 <dd><p>Operation succeeded.
</p>
223 <dl class=
"cpp enumerator">
224 <dt id=
"_CPPv4N16hashkit_return_t15HASHKIT_FAILUREE">
225 <span id=
"_CPPv3N16hashkit_return_t15HASHKIT_FAILUREE"></span><span id=
"_CPPv2N16hashkit_return_t15HASHKIT_FAILUREE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_FAILURE
</code><a class=
"headerlink" href=
"#_CPPv4N16hashkit_return_t15HASHKIT_FAILUREE" title=
"Permalink to this definition">¶
</a><br /></dt>
226 <dd><p>Operation failed.
</p>
229 <dl class=
"cpp enumerator">
230 <dt id=
"_CPPv4N16hashkit_return_t33HASHKIT_MEMORY_ALLOCATION_FAILUREE">
231 <span id=
"_CPPv3N16hashkit_return_t33HASHKIT_MEMORY_ALLOCATION_FAILUREE"></span><span id=
"_CPPv2N16hashkit_return_t33HASHKIT_MEMORY_ALLOCATION_FAILUREE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_MEMORY_ALLOCATION_FAILURE
</code><a class=
"headerlink" href=
"#_CPPv4N16hashkit_return_t33HASHKIT_MEMORY_ALLOCATION_FAILUREE" title=
"Permalink to this definition">¶
</a><br /></dt>
232 <dd><p>Memory allocation failed.
</p>
235 <dl class=
"cpp enumerator">
236 <dt id=
"_CPPv4N16hashkit_return_t20HASHKIT_INVALID_HASHE">
237 <span id=
"_CPPv3N16hashkit_return_t20HASHKIT_INVALID_HASHE"></span><span id=
"_CPPv2N16hashkit_return_t20HASHKIT_INVALID_HASHE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_INVALID_HASH
</code><a class=
"headerlink" href=
"#_CPPv4N16hashkit_return_t20HASHKIT_INVALID_HASHE" title=
"Permalink to this definition">¶
</a><br /></dt>
238 <dd><p>Invalid
<a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_algorithm_t
</span></code></a> passed.
</p>
241 <dl class=
"cpp enumerator">
242 <dt id=
"_CPPv4N16hashkit_return_t24HASHKIT_INVALID_ARGUMENTE">
243 <span id=
"_CPPv3N16hashkit_return_t24HASHKIT_INVALID_ARGUMENTE"></span><span id=
"_CPPv2N16hashkit_return_t24HASHKIT_INVALID_ARGUMENTE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_INVALID_ARGUMENT
</code><a class=
"headerlink" href=
"#_CPPv4N16hashkit_return_t24HASHKIT_INVALID_ARGUMENTE" title=
"Permalink to this definition">¶
</a><br /></dt>
244 <dd><p>Invalid argument passed.
</p>
250 <dt id=
"c.hashkit_hash_algorithm_t">
251 <em class=
"property">typedef
</em><em class=
"property">enum
</em> <a class=
"reference internal" href=
"#c.hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t">hashkit_hash_algorithm_t
</a> <code class=
"sig-name descname">hashkit_hash_algorithm_t
</code><a class=
"headerlink" href=
"#c.hashkit_hash_algorithm_t" title=
"Permalink to this definition">¶
</a><br /></dt>
254 <dl class=
"cpp enum">
255 <dt id=
"_CPPv424hashkit_hash_algorithm_t">
256 <span id=
"_CPPv324hashkit_hash_algorithm_t"></span><span id=
"_CPPv224hashkit_hash_algorithm_t"></span><em class=
"property">enum
</em><code class=
"sig-name descname">hashkit_hash_algorithm_t
</code><a class=
"headerlink" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"Permalink to this definition">¶
</a><br /></dt>
257 <dd><dl class=
"cpp enumerator">
258 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_DEFAULTE">
259 <span id=
"_CPPv3N24hashkit_hash_algorithm_t20HASHKIT_HASH_DEFAULTE"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t20HASHKIT_HASH_DEFAULTE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_DEFAULT
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_DEFAULTE" title=
"Permalink to this definition">¶
</a><br /></dt>
260 <dd><p>Default hash algorithm (one_at_a_time).
</p>
263 <dl class=
"cpp enumerator">
264 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t16HASHKIT_HASH_MD5E">
265 <span id=
"_CPPv3N24hashkit_hash_algorithm_t16HASHKIT_HASH_MD5E"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t16HASHKIT_HASH_MD5E"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_MD5
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t16HASHKIT_HASH_MD5E" title=
"Permalink to this definition">¶
</a><br /></dt>
268 <dl class=
"cpp enumerator">
269 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t16HASHKIT_HASH_CRCE">
270 <span id=
"_CPPv3N24hashkit_hash_algorithm_t16HASHKIT_HASH_CRCE"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t16HASHKIT_HASH_CRCE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_CRC
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t16HASHKIT_HASH_CRCE" title=
"Permalink to this definition">¶
</a><br /></dt>
273 <dl class=
"cpp enumerator">
274 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_64E">
275 <span id=
"_CPPv3N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_64E"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_64E"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_FNV1_64
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_64E" title=
"Permalink to this definition">¶
</a><br /></dt>
278 <dl class=
"cpp enumerator">
279 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_64E">
280 <span id=
"_CPPv3N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_64E"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_64E"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_FNV1A_64
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_64E" title=
"Permalink to this definition">¶
</a><br /></dt>
283 <dl class=
"cpp enumerator">
284 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_32E">
285 <span id=
"_CPPv3N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_32E"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_32E"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_FNV1_32
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_FNV1_32E" title=
"Permalink to this definition">¶
</a><br /></dt>
288 <dl class=
"cpp enumerator">
289 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_32E">
290 <span id=
"_CPPv3N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_32E"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_32E"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_FNV1A_32
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t21HASHKIT_HASH_FNV1A_32E" title=
"Permalink to this definition">¶
</a><br /></dt>
293 <dl class=
"cpp enumerator">
294 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t18HASHKIT_HASH_HSIEHE">
295 <span id=
"_CPPv3N24hashkit_hash_algorithm_t18HASHKIT_HASH_HSIEHE"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t18HASHKIT_HASH_HSIEHE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_HSIEH
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t18HASHKIT_HASH_HSIEHE" title=
"Permalink to this definition">¶
</a><br /></dt>
296 <dd><p>Only available if
<code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">libhashkit
</span></code> hash been built with HSIEH support.
</p>
299 <dl class=
"cpp enumerator">
300 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t19HASHKIT_HASH_MURMURE">
301 <span id=
"_CPPv3N24hashkit_hash_algorithm_t19HASHKIT_HASH_MURMURE"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t19HASHKIT_HASH_MURMURE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_MURMUR
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t19HASHKIT_HASH_MURMURE" title=
"Permalink to this definition">¶
</a><br /></dt>
302 <dd><p>Only available if
<code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">libhashkit
</span></code> has been built with MURMUR support.
</p>
305 <dl class=
"cpp enumerator">
306 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_MURMUR3E">
307 <span id=
"_CPPv3N24hashkit_hash_algorithm_t20HASHKIT_HASH_MURMUR3E"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t20HASHKIT_HASH_MURMUR3E"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_MURMUR3
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_MURMUR3E" title=
"Permalink to this definition">¶
</a><br /></dt>
308 <dd><p>Only available if
<code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">libhashkit
</span></code> has been built with MURMUR support.
</p>
311 <dl class=
"cpp enumerator">
312 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_JENKINSE">
313 <span id=
"_CPPv3N24hashkit_hash_algorithm_t20HASHKIT_HASH_JENKINSE"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t20HASHKIT_HASH_JENKINSE"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_JENKINS
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t20HASHKIT_HASH_JENKINSE" title=
"Permalink to this definition">¶
</a><br /></dt>
316 <dl class=
"cpp enumerator">
317 <dt id=
"_CPPv4N24hashkit_hash_algorithm_t19HASHKIT_HASH_CUSTOME">
318 <span id=
"_CPPv3N24hashkit_hash_algorithm_t19HASHKIT_HASH_CUSTOME"></span><span id=
"_CPPv2N24hashkit_hash_algorithm_t19HASHKIT_HASH_CUSTOME"></span><em class=
"property">enumerator
</em><code class=
"sig-name descname">HASHKIT_HASH_CUSTOM
</code><a class=
"headerlink" href=
"#_CPPv4N24hashkit_hash_algorithm_t19HASHKIT_HASH_CUSTOME" title=
"Permalink to this definition">¶
</a><br /></dt>
319 <dd><p>Use custom
<a class=
"reference internal" href=
"#_CPPv415hashkit_hash_fn" title=
"hashkit_hash_fn"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_fn
</span></code></a> function set through
<a class=
"reference internal" href=
"#_CPPv427hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv" title=
"hashkit_set_custom_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_set_custom_function()
</span></code></a> or
<a class=
"reference internal" href=
"#_CPPv440hashkit_set_custom_distribution_functionP10hashkit_st15hashkit_hash_fnPv" title=
"hashkit_set_custom_distribution_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_set_custom_distribution_function()
</span></code></a>.
</p>
324 <dl class=
"cpp function">
325 <dt id=
"_CPPv420hashkit_set_functionP10hashkit_st24hashkit_hash_algorithm_t">
326 <span id=
"_CPPv320hashkit_set_functionP10hashkit_st24hashkit_hash_algorithm_t"></span><span id=
"_CPPv220hashkit_set_functionP10hashkit_st24hashkit_hash_algorithm_t"></span><span id=
"hashkit_set_function__hashkit_stP.hashkit_hash_algorithm_t"></span><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t">hashkit_return_t
</a> <code class=
"sig-name descname">hashkit_set_function
</code><span class=
"sig-paren">(
</span><a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st">hashkit_st
</a> *
<em>hash
</em>,
<a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t">hashkit_hash_algorithm_t
</a> <em>hash_algorithm
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv420hashkit_set_functionP10hashkit_st24hashkit_hash_algorithm_t" title=
"Permalink to this definition">¶
</a><br /></dt>
327 <dd><dl class=
"field-list simple">
328 <dt class=
"field-odd">Parameters
</dt>
329 <dd class=
"field-odd"><ul class=
"simple">
330 <li><p><strong>hash
</strong> -- pointer to an initialized
<a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_st
</span></code></a> struct
</p></li>
331 <li><p><strong>hash_algorithm
</strong> -- valid
<a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_algorithm_t
</span></code></a> constant
</p></li>
334 <dt class=
"field-even">Returns
</dt>
335 <dd class=
"field-even"><p><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_return_t
</span></code></a> indicating success or failure
</p>
340 <dl class=
"cpp function">
341 <dt id=
"_CPPv427hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv">
342 <span id=
"_CPPv327hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv"></span><span id=
"_CPPv227hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv"></span><span id=
"hashkit_set_custom_function__hashkit_stP.hashkit_hash_fn.voidP"></span><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t">hashkit_return_t
</a> <code class=
"sig-name descname">hashkit_set_custom_function
</code><span class=
"sig-paren">(
</span><a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st">hashkit_st
</a> *
<em>hash
</em>,
<a class=
"reference internal" href=
"#_CPPv415hashkit_hash_fn" title=
"hashkit_hash_fn">hashkit_hash_fn
</a> <em>function
</em>, void *
<em>context
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv427hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv" title=
"Permalink to this definition">¶
</a><br /></dt>
343 <dd><dl class=
"field-list simple">
344 <dt class=
"field-odd">Parameters
</dt>
345 <dd class=
"field-odd"><ul class=
"simple">
346 <li><p><strong>hash
</strong> -- pointer to initialized
<a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_st
</span></code></a> struct
</p></li>
347 <li><p><strong>function
</strong> --
<a class=
"reference internal" href=
"#_CPPv415hashkit_hash_fn" title=
"hashkit_hash_fn"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_fn
</span></code></a> function pointer to use as hash function for
<a class=
"reference internal" href=
"#_CPPv4N24hashkit_hash_algorithm_t19HASHKIT_HASH_CUSTOME" title=
"HASHKIT_HASH_CUSTOM"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">HASHKIT_HASH_CUSTOM
</span></code></a></p></li>
348 <li><p><strong>context
</strong> -- pointer to an opaque user managed context for the custom hash function
</p></li>
351 <dt class=
"field-even">Returns
</dt>
352 <dd class=
"field-even"><p><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_return_t
</span></code></a> indicating success or failure
</p>
357 <dl class=
"cpp function">
358 <dt id=
"_CPPv420hashkit_get_functionPK10hashkit_st">
359 <span id=
"_CPPv320hashkit_get_functionPK10hashkit_st"></span><span id=
"_CPPv220hashkit_get_functionPK10hashkit_st"></span><span id=
"hashkit_get_function__hashkit_stCP"></span><a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t">hashkit_hash_algorithm_t
</a> <code class=
"sig-name descname">hashkit_get_function
</code><span class=
"sig-paren">(
</span><em class=
"property">const
</em> <a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st">hashkit_st
</a> *
<em>hash
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv420hashkit_get_functionPK10hashkit_st" title=
"Permalink to this definition">¶
</a><br /></dt>
360 <dd><dl class=
"field-list simple">
361 <dt class=
"field-odd">Parameters
</dt>
362 <dd class=
"field-odd"><p><strong>hash
</strong> -- pointer to an initialized
<a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_st
</span></code></a> struct
</p>
364 <dt class=
"field-even">Returns
</dt>
365 <dd class=
"field-even"><p><a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_algorithm_t
</span></code></a> indicating the currently set hash algorithm to use
</p>
370 <dl class=
"cpp function">
371 <dt id=
"_CPPv433hashkit_set_distribution_functionP10hashkit_st24hashkit_hash_algorithm_t">
372 <span id=
"_CPPv333hashkit_set_distribution_functionP10hashkit_st24hashkit_hash_algorithm_t"></span><span id=
"_CPPv233hashkit_set_distribution_functionP10hashkit_st24hashkit_hash_algorithm_t"></span><span id=
"hashkit_set_distribution_function__hashkit_stP.hashkit_hash_algorithm_t"></span><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t">hashkit_return_t
</a> <code class=
"sig-name descname">hashkit_set_distribution_function
</code><span class=
"sig-paren">(
</span><a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st">hashkit_st
</a> *
<em>hash
</em>,
<a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t">hashkit_hash_algorithm_t
</a> <em>hash_algorithm
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv433hashkit_set_distribution_functionP10hashkit_st24hashkit_hash_algorithm_t" title=
"Permalink to this definition">¶
</a><br /></dt>
373 <dd><dl class=
"field-list simple">
374 <dt class=
"field-odd">Parameters
</dt>
375 <dd class=
"field-odd"><ul class=
"simple">
376 <li><p><strong>hash
</strong> -- pointer to an initialized
<a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_st
</span></code></a> struct
</p></li>
377 <li><p><strong>hash_algorithm
</strong> -- valid
<code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_algrothm_t
</span></code> constant
</p></li>
380 <dt class=
"field-even">Returns
</dt>
381 <dd class=
"field-even"><p><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_return_t
</span></code></a> indicating success or failure
</p>
386 <dl class=
"cpp function">
387 <dt id=
"_CPPv440hashkit_set_custom_distribution_functionP10hashkit_st15hashkit_hash_fnPv">
388 <span id=
"_CPPv340hashkit_set_custom_distribution_functionP10hashkit_st15hashkit_hash_fnPv"></span><span id=
"_CPPv240hashkit_set_custom_distribution_functionP10hashkit_st15hashkit_hash_fnPv"></span><span id=
"hashkit_set_custom_distribution_function__hashkit_stP.hashkit_hash_fn.voidP"></span><a class=
"reference internal" href=
"#_CPPv416hashkit_return_t" title=
"hashkit_return_t">hashkit_return_t
</a> <code class=
"sig-name descname">hashkit_set_custom_distribution_function
</code><span class=
"sig-paren">(
</span><a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st">hashkit_st
</a> *
<em>hash
</em>,
<a class=
"reference internal" href=
"#_CPPv415hashkit_hash_fn" title=
"hashkit_hash_fn">hashkit_hash_fn
</a> <em>function
</em>, void *
<em>context
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv440hashkit_set_custom_distribution_functionP10hashkit_st15hashkit_hash_fnPv" title=
"Permalink to this definition">¶
</a><br /></dt>
389 <dd><dl class=
"field-list simple">
390 <dt class=
"field-odd">Parameters
</dt>
391 <dd class=
"field-odd"><ul class=
"simple">
392 <li><p><strong>hash
</strong> -- pointer to initialized
<a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_st
</span></code></a> struct
</p></li>
393 <li><p><strong>function
</strong> --
<a class=
"reference internal" href=
"#_CPPv415hashkit_hash_fn" title=
"hashkit_hash_fn"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_fn
</span></code></a> function pointer to use as distribution hash function for
<a class=
"reference internal" href=
"#_CPPv4N24hashkit_hash_algorithm_t19HASHKIT_HASH_CUSTOME" title=
"HASHKIT_HASH_CUSTOM"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">HASHKIT_HASH_CUSTOM
</span></code></a></p></li>
394 <li><p><strong>context
</strong> -- pointer to an opaque user managed context for the custom distribution hash function
</p></li>
400 <dl class=
"cpp function">
401 <dt id=
"_CPPv433hashkit_get_distribution_functionPK10hashkit_st">
402 <span id=
"_CPPv333hashkit_get_distribution_functionPK10hashkit_st"></span><span id=
"_CPPv233hashkit_get_distribution_functionPK10hashkit_st"></span><span id=
"hashkit_get_distribution_function__hashkit_stCP"></span><a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t">hashkit_hash_algorithm_t
</a> <code class=
"sig-name descname">hashkit_get_distribution_function
</code><span class=
"sig-paren">(
</span><em class=
"property">const
</em> <a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st">hashkit_st
</a> *
<em>hash
</em><span class=
"sig-paren">)
</span><a class=
"headerlink" href=
"#_CPPv433hashkit_get_distribution_functionPK10hashkit_st" title=
"Permalink to this definition">¶
</a><br /></dt>
403 <dd><dl class=
"field-list simple">
404 <dt class=
"field-odd">Parameters
</dt>
405 <dd class=
"field-odd"><p><strong>hash
</strong> -- pointer to an initialized
<a class=
"reference internal" href=
"hashkit_create.html#_CPPv410hashkit_st" title=
"hashkit_st"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_st
</span></code></a> struct
</p>
407 <dt class=
"field-even">Returns
</dt>
408 <dd class=
"field-even"><p><a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_algorithm_t
</span></code></a> indicating the currently set distribution hash algorithm to use
</p>
414 <div class=
"section" id=
"description">
415 <h2>DESCRIPTION
<a class=
"headerlink" href=
"#description" title=
"Permalink to this headline">¶
</a></h2>
416 <p>These functions are used to set and retrieve the key and distribution hash functions.
</p>
418 <div class=
"section" id=
"return-value">
419 <h2>RETURN VALUE
<a class=
"headerlink" href=
"#return-value" title=
"Permalink to this headline">¶
</a></h2>
420 <p><a class=
"reference internal" href=
"#_CPPv420hashkit_set_functionP10hashkit_st24hashkit_hash_algorithm_t" title=
"hashkit_set_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_set_function()
</span></code></a>,
<a class=
"reference internal" href=
"#_CPPv427hashkit_set_custom_functionP10hashkit_st15hashkit_hash_fnPv" title=
"hashkit_set_custom_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_set_custom_function()
</span></code></a> and the distribution
421 equivalents return
<a class=
"reference internal" href=
"#_CPPv4N16hashkit_return_t15HASHKIT_SUCCESSE" title=
"hashkit_return_t::HASHKIT_SUCCESS"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_return_t::HASHKIT_SUCCESS
</span></code></a> on success.
</p>
422 <p><a class=
"reference internal" href=
"#_CPPv420hashkit_get_functionPK10hashkit_st" title=
"hashkit_get_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_get_function()
</span></code></a> and
<a class=
"reference internal" href=
"#_CPPv433hashkit_get_distribution_functionPK10hashkit_st" title=
"hashkit_get_distribution_function"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_get_distribution_function()
</span></code></a> return
423 <a class=
"reference internal" href=
"#_CPPv424hashkit_hash_algorithm_t" title=
"hashkit_hash_algorithm_t"><code class=
"xref cpp cpp-any docutils literal notranslate"><span class=
"pre">hashkit_hash_algorithm_t
</span></code></a> indicating the hash function used.
</p>
425 <div class=
"section" id=
"see-also">
426 <h2>SEE ALSO
<a class=
"headerlink" href=
"#see-also" title=
"Permalink to this headline">¶
</a></h2>
428 <li><p><a class=
"reference internal" href=
"../libhashkit.html"><span class=
"doc">libhashkit - C/C++ hashing library
</span></a></p></li>
429 <li><p><a class=
"reference internal" href=
"hashkit_create.html"><span class=
"doc">Creating a hashkit structure
</span></a></p></li>
430 <li><p><a class=
"reference internal" href=
"hashkit_functions.html"><span class=
"doc">Available Hashes
</span></a></p></li>
441 <div class=
"rst-footer-buttons" role=
"navigation" aria-label=
"footer navigation">
443 <a href=
"hashkit_functions.html" class=
"btn btn-neutral float-right" title=
"Available Hashes" accesskey=
"n" rel=
"next">Next
<span class=
"fa fa-arrow-circle-right"></span></a>
446 <a href=
"hashkit_create.html" class=
"btn btn-neutral float-left" title=
"Creating a hashkit structure" accesskey=
"p" rel=
"prev"><span class=
"fa fa-arrow-circle-left"></span> Previous
</a>
453 <div role=
"contentinfo">
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"../copyright.html">Copyright
</a>
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