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<div class="navpath"><a class="el" href="namespacekyotocabinet.html">kyotocabinet</a>::<a class="el" href="classkyotocabinet_1_1LZO.html">LZO</a>
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<h1>kyotocabinet::LZO Class Reference</h1><!-- doxytag: class="kyotocabinet::LZO" -->
<p><a class="el" href="classkyotocabinet_1_1LZO.html" title="LZO compressor.">LZO</a> compressor.
<a href="#_details">More...</a></p>
<p><code>#include <kccompress.h></code></p>
<p><a href="classkyotocabinet_1_1LZO-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">Mode</a> { <a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30ac34dadab072289a3d840127953e50b2a">RAW</a>,
<a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30acec1fa2fd69048d1db9e706ebd0a1195">CRC</a>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>Compression modes. </p>
<a href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">More...</a><br/></td></tr>
<tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classkyotocabinet_1_1LZO.html#a4cae07a2022b55b0426bcb9629a19e7e">compress</a> (const void *buf, size_t size, size_t *sp, <a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">Mode</a> mode=RAW)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compress a serial data. <a href="#a4cae07a2022b55b0426bcb9629a19e7e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static char * </td><td class="memItemRight" valign="bottom"><a class="el" href="classkyotocabinet_1_1LZO.html#a2164fb0f0f36d5029eb9d53ccf8c8652">decompress</a> (const void *buf, size_t size, size_t *sp, <a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">Mode</a> mode=RAW)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Decompress a serial data. <a href="#a2164fb0f0f36d5029eb9d53ccf8c8652"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classkyotocabinet_1_1LZO.html#aa18945773d9ed6722ade4f336ed6b8b5">calculate_crc</a> (const void *buf, size_t size, uint32_t seed=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Calculate the CRC32 checksum of a serial data. <a href="#aa18945773d9ed6722ade4f336ed6b8b5"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p><a class="el" href="classkyotocabinet_1_1LZO.html" title="LZO compressor.">LZO</a> compressor. </p>
<hr/><h2>Member Enumeration Documentation</h2>
<a class="anchor" id="aa071fed0e142357ee0ccbf11d8c10e30"></a><!-- doxytag: member="kyotocabinet::LZO::Mode" ref="aa071fed0e142357ee0ccbf11d8c10e30" args="" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">enum <a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">kyotocabinet::LZO::Mode</a></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Compression modes. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="aa071fed0e142357ee0ccbf11d8c10e30ac34dadab072289a3d840127953e50b2a"></a><!-- doxytag: member="RAW" ref="aa071fed0e142357ee0ccbf11d8c10e30ac34dadab072289a3d840127953e50b2a" args="" -->RAW</em> </td><td>
<p>without any checksum </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aa071fed0e142357ee0ccbf11d8c10e30acec1fa2fd69048d1db9e706ebd0a1195"></a><!-- doxytag: member="CRC" ref="aa071fed0e142357ee0ccbf11d8c10e30acec1fa2fd69048d1db9e706ebd0a1195" args="" -->CRC</em> </td><td>
<p>with CRC32 checksum </p>
</td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a4cae07a2022b55b0426bcb9629a19e7e"></a><!-- doxytag: member="kyotocabinet::LZO::compress" ref="a4cae07a2022b55b0426bcb9629a19e7e" args="(const void *buf, size_t size, size_t *sp, Mode mode=RAW)" -->
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<td class="memname">static char* kyotocabinet::LZO::compress </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t * </td>
<td class="paramname"> <em>sp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">Mode</a> </td>
<td class="paramname"> <em>mode</em> = <code>RAW</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Compress a serial data. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>the input buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>size</em> </td><td>the size of the input buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sp</em> </td><td>the pointer to the variable into which the size of the region of the return value is assigned. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mode</em> </td><td>the compression mode. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>the pointer to the result data, or NULL on failure. </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>Because the region of the return value is allocated with the the new[] operator, it should be released with the delete[] operator when it is no longer in use. </dd></dl>
</div>
</div>
<a class="anchor" id="a2164fb0f0f36d5029eb9d53ccf8c8652"></a><!-- doxytag: member="kyotocabinet::LZO::decompress" ref="a2164fb0f0f36d5029eb9d53ccf8c8652" args="(const void *buf, size_t size, size_t *sp, Mode mode=RAW)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">static char* kyotocabinet::LZO::decompress </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t * </td>
<td class="paramname"> <em>sp</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classkyotocabinet_1_1LZO.html#aa071fed0e142357ee0ccbf11d8c10e30">Mode</a> </td>
<td class="paramname"> <em>mode</em> = <code>RAW</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Decompress a serial data. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>the input buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>size</em> </td><td>the size of the input buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>sp</em> </td><td>the pointer to the variable into which the size of the region of the return value is assigned. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>mode</em> </td><td>the compression mode. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>the pointer to the result data, or NULL on failure. </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>Because an additional zero code is appended at the end of the region of the return value, the return value can be treated as a C-style string. Because the region of the return value is allocated with the the new[] operator, it should be released with the delete[] operator when it is no longer in use. </dd></dl>
</div>
</div>
<a class="anchor" id="aa18945773d9ed6722ade4f336ed6b8b5"></a><!-- doxytag: member="kyotocabinet::LZO::calculate_crc" ref="aa18945773d9ed6722ade4f336ed6b8b5" args="(const void *buf, size_t size, uint32_t seed=0)" -->
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<div class="memproto">
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<td class="memname">static uint32_t kyotocabinet::LZO::calculate_crc </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"> <em>buf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"> <em>seed</em> = <code>0</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [static]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Calculate the CRC32 checksum of a serial data. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>the input buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>size</em> </td><td>the size of the input buffer. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>seed</em> </td><td>the cyclic seed value. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>the CRC32 checksum. </dd></dl>
</div>
</div>
</div>
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