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memhash_8h.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>libusual: usual/hashing/memhash.h File Reference</title>
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<div id="projectname">libusual
 <span id="projectnumber">0.1</span>
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<!-- Generated by Doxygen 1.7.6.1 -->
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<li><a href="pages.html"><span>Related Pages</span></a></li>
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<div class="header">
<div class="summary">
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">usual/hashing/memhash.h File Reference</div> </div>
</div><!--header-->
<div class="contents">
<p>Randomized in-memory hashing.
<a href="#details">More...</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="memhash_8h.html#aeccbcf8f406eb16a2917da04806f252e">memhash</a> (const void *data, size_t len)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Hash data. <a href="#aeccbcf8f406eb16a2917da04806f252e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="memhash_8h.html#a5788f3d1ce8d5c50290891f08903035e">memhash_string</a> (const char *s)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Hash zero-terminated string. <a href="#a5788f3d1ce8d5c50290891f08903035e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="memhash_8h.html#a07648cb65204a213b458c532c27b7bdc">memhash_seed</a> (const void *data, size_t len, uint32_t seed)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Hash with given seed. <a href="#a07648cb65204a213b458c532c27b7bdc"></a><br/></td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Randomized in-memory hashing. </p>
<p>Functions here use randomized seed and pick fastest hash for current CPU. </p>
</div><hr/><h2>Function Documentation</h2>
<a class="anchor" id="aeccbcf8f406eb16a2917da04806f252e"></a><!-- doxytag: member="memhash.h::memhash" ref="aeccbcf8f406eb16a2917da04806f252e" args="(const void *data, size_t len)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint32_t <a class="el" href="memhash_8h.html#aeccbcf8f406eb16a2917da04806f252e">memhash</a> </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>len</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<div class="memdoc">
<p>Hash data. </p>
</div>
</div>
<a class="anchor" id="a5788f3d1ce8d5c50290891f08903035e"></a><!-- doxytag: member="memhash.h::memhash_string" ref="a5788f3d1ce8d5c50290891f08903035e" args="(const char *s)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint32_t <a class="el" href="memhash_8h.html#a5788f3d1ce8d5c50290891f08903035e">memhash_string</a> </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>s</em></td><td>)</td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Hash zero-terminated string. </p>
</div>
</div>
<a class="anchor" id="a07648cb65204a213b458c532c27b7bdc"></a><!-- doxytag: member="memhash.h::memhash_seed" ref="a07648cb65204a213b458c532c27b7bdc" args="(const void *data, size_t len, uint32_t seed)" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">uint32_t <a class="el" href="memhash_8h.html#a07648cb65204a213b458c532c27b7bdc">memhash_seed</a> </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>len</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>seed</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Hash with given seed. </p>
<p>Result is not randomized, but still may vary on different CPU-s. </p>
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