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<div class="title">SDL_test_crc32.h File Reference</div> </div>
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<div class="textblock"><code>#include "<a class="el" href="begin__code_8h_source.html">begin_code.h</a>"</code><br />
<code>#include "<a class="el" href="close__code_8h_source.html">close_code.h</a>"</code><br />
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<p><a href="SDL__test__crc32_8h_source.html">Go to the source code of this file.</a></p>
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<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a></td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>CrcUint32</b>   unsigned int</td></tr>
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<tr class="memitem:a8f6936196be4a985dadbb0c0549aacf2"><td class="memItemLeft" align="right" valign="top"><a id="a8f6936196be4a985dadbb0c0549aacf2"></a>
#define </td><td class="memItemRight" valign="bottom"><b>CrcUint8</b>   unsigned char</td></tr>
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<tr class="memitem:a39e1b7cfc3c0d80ea907e6486d288796"><td class="memItemLeft" align="right" valign="top"><a id="a39e1b7cfc3c0d80ea907e6486d288796"></a>
#define </td><td class="memItemRight" valign="bottom"><b>CRC32_POLY</b>   0xEDB88320 /* Perl String::CRC32 compatible */</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:a06655d4056d1992fa85a1849b4f3eeeb"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__test__crc32_8h.html#a06655d4056d1992fa85a1849b4f3eeeb">SDLTest_Crc32Init</a> (<a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> *crcContext)</td></tr>
<tr class="memdesc:a06655d4056d1992fa85a1849b4f3eeeb"><td class="mdescLeft"> </td><td class="mdescRight">Initialize the CRC context. <a href="#a06655d4056d1992fa85a1849b4f3eeeb">More...</a><br /></td></tr>
<tr class="separator:a06655d4056d1992fa85a1849b4f3eeeb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0397333489338ed3fca5dc0f892070cd"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__test__crc32_8h.html#a0397333489338ed3fca5dc0f892070cd">SDLTest_Crc32Calc</a> (<a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> *crcContext, CrcUint8 *inBuf, CrcUint32 inLen, CrcUint32 *crc32)</td></tr>
<tr class="memdesc:a0397333489338ed3fca5dc0f892070cd"><td class="mdescLeft"> </td><td class="mdescRight">calculate a crc32 from a data block <a href="#a0397333489338ed3fca5dc0f892070cd">More...</a><br /></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>SDLTest_Crc32CalcStart</b> (<a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> *crcContext, CrcUint32 *crc32)</td></tr>
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<tr class="memitem:a8e41b3f8fe2e0d8ff591f6a492c6d5b8"><td class="memItemLeft" align="right" valign="top"><a id="a8e41b3f8fe2e0d8ff591f6a492c6d5b8"></a>
int </td><td class="memItemRight" valign="bottom"><b>SDLTest_Crc32CalcEnd</b> (<a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> *crcContext, CrcUint32 *crc32)</td></tr>
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<tr class="memitem:a19e6816b8d3c2d11214308a301c7164f"><td class="memItemLeft" align="right" valign="top"><a id="a19e6816b8d3c2d11214308a301c7164f"></a>
int </td><td class="memItemRight" valign="bottom"><b>SDLTest_Crc32CalcBuffer</b> (<a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> *crcContext, CrcUint8 *inBuf, CrcUint32 inLen, CrcUint32 *crc32)</td></tr>
<tr class="separator:a19e6816b8d3c2d11214308a301c7164f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a020b58aa3d188466b41b7c9e526c18ec"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="SDL__test__crc32_8h.html#a020b58aa3d188466b41b7c9e526c18ec">SDLTest_Crc32Done</a> (<a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> *crcContext)</td></tr>
<tr class="memdesc:a020b58aa3d188466b41b7c9e526c18ec"><td class="mdescLeft"> </td><td class="mdescRight">clean up CRC context <a href="#a020b58aa3d188466b41b7c9e526c18ec">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Include file for SDL test framework.</p>
<p>This code is a part of the SDL2_test library, not the main SDL library. </p>
</div><h2 class="groupheader">Function Documentation</h2>
<a id="a0397333489338ed3fca5dc0f892070cd"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a0397333489338ed3fca5dc0f892070cd">◆ </a></span>SDLTest_Crc32Calc()</h2>
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<td class="memname">int SDLTest_Crc32Calc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> * </td>
<td class="paramname"><em>crcContext</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">CrcUint8 * </td>
<td class="paramname"><em>inBuf</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">CrcUint32 </td>
<td class="paramname"><em>inLen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">CrcUint32 * </td>
<td class="paramname"><em>crc32</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>calculate a crc32 from a data block </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">crcContext</td><td>pointer to context variable </td></tr>
<tr><td class="paramname">inBuf</td><td>input buffer to checksum </td></tr>
<tr><td class="paramname">inLen</td><td>length of input buffer </td></tr>
<tr><td class="paramname">crc32</td><td>pointer to Uint32 to store the final CRC into</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for OK, -1 on error </dd></dl>
</div>
</div>
<a id="a020b58aa3d188466b41b7c9e526c18ec"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a020b58aa3d188466b41b7c9e526c18ec">◆ </a></span>SDLTest_Crc32Done()</h2>
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<td class="memname">int SDLTest_Crc32Done </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> * </td>
<td class="paramname"><em>crcContext</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>clean up CRC context </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">crcContext</td><td>pointer to context variable</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for OK, -1 on error </dd></dl>
</div>
</div>
<a id="a06655d4056d1992fa85a1849b4f3eeeb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a06655d4056d1992fa85a1849b4f3eeeb">◆ </a></span>SDLTest_Crc32Init()</h2>
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<td class="memname">int SDLTest_Crc32Init </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structSDLTest__Crc32Context.html">SDLTest_Crc32Context</a> * </td>
<td class="paramname"><em>crcContext</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Initialize the CRC context. </p>
<p>Note: The function initializes the crc table required for all crc calculations.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">crcContext</td><td>pointer to context variable</td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 for OK, -1 on error </dd></dl>
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