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<div id="projectname">createrepo_c library
 <span id="projectnumber">0.7.4</span>
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<div id="projectbrief">C library for metadata manipulation</div>
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<div class="title">Wrapper for compressed file.</div> </div>
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Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structcr___content_stat.html">cr_ContentStat</a></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:ga20d0c8721c20529e021c8101f15bc80d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga20d0c8721c20529e021c8101f15bc80d">CR_CW_ERR</a>   -1</td></tr>
<tr class="separator:ga20d0c8721c20529e021c8101f15bc80d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2d6af358cb6b13487494d793bb390672"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga2d6af358cb6b13487494d793bb390672">cr_open</a>(FILENAME, MODE, COMTYPE, ERR)   <a class="el" href="group__compression__wrapper.html#ga76fffe1f5962b158dfcb3a87490ac64a">cr_sopen</a>(FILENAME, MODE, COMTYPE, NULL, ERR)</td></tr>
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Enumerations</h2></td></tr>
<tr class="memitem:gac218acbb5e4b319304fc74e5448a2214"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> { <br/>
  <a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214a96cdde2a3f715720babffeff45d0a94d">CR_CW_AUTO_DETECT_COMPRESSION</a>,
<a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214a7d27bb3c7415e965eaec52d593cd8e3e">CR_CW_UNKNOWN_COMPRESSION</a>,
<a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214a388e1582b646c84be56cd5b49facf146">CR_CW_NO_COMPRESSION</a>,
<a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214af3691bf6cf44970764d8d4cb2f339a9a">CR_CW_GZ_COMPRESSION</a>,
<br/>
  <a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214aa549faff4435ee839947d240752e92ab">CR_CW_BZ2_COMPRESSION</a>,
<a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214a35863b6ce67b1aa3deeefe8d327102f0">CR_CW_XZ_COMPRESSION</a>,
<a class="el" href="group__compression__wrapper.html#ggac218acbb5e4b319304fc74e5448a2214a3ff4b2e4e84b1a0bc915e859128161e8">CR_CW_COMPRESSION_SENTINEL</a>
<br/>
}</td></tr>
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<tr class="memitem:ga6bb279e5f6b0bba7747e6762d970caed"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga6bb279e5f6b0bba7747e6762d970caed">cr_OpenMode</a> { <a class="el" href="group__compression__wrapper.html#gga6bb279e5f6b0bba7747e6762d970caedad3c049a9f91a9de903833b46ae2e14a4">CR_CW_MODE_READ</a>,
<a class="el" href="group__compression__wrapper.html#gga6bb279e5f6b0bba7747e6762d970caedaf376e969097f922f57f4c7a0cf23caf6">CR_CW_MODE_WRITE</a>,
<a class="el" href="group__compression__wrapper.html#gga6bb279e5f6b0bba7747e6762d970caeda1fd62504fa35d067219a5208d67f10bf">CR_CW_MODE_SENTINEL</a>
}</td></tr>
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Functions</h2></td></tr>
<tr class="memitem:ga14c2c16a9b7545ef946519f28e90fa50"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structcr___content_stat.html">cr_ContentStat</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga14c2c16a9b7545ef946519f28e90fa50">cr_contentstat_new</a> (<a class="el" href="group__checksum.html#ga36a5d391d81917afca751eb71514f2cf">cr_ChecksumType</a> type, GError **err)</td></tr>
<tr class="separator:ga14c2c16a9b7545ef946519f28e90fa50"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gabe0a7a6a94fe74db008ee02b42d97acf"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#gabe0a7a6a94fe74db008ee02b42d97acf">cr_contentstat_free</a> (<a class="el" href="structcr___content_stat.html">cr_ContentStat</a> *cstat, GError **err)</td></tr>
<tr class="separator:gabe0a7a6a94fe74db008ee02b42d97acf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac16cd35c4c04a1a1ddbb508d7e9bc136"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#gac16cd35c4c04a1a1ddbb508d7e9bc136">cr_compression_suffix</a> (<a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> comtype)</td></tr>
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<tr class="memitem:ga8adb0995caa10771ec71973f262304a2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga8adb0995caa10771ec71973f262304a2">cr_detect_compression</a> (const char *filename, GError **err)</td></tr>
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<tr class="memitem:ga199a6770cb37afafc2c46190984b85de"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga199a6770cb37afafc2c46190984b85de">cr_compression_type</a> (const char *name)</td></tr>
<tr class="separator:ga199a6770cb37afafc2c46190984b85de"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga76fffe1f5962b158dfcb3a87490ac64a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga76fffe1f5962b158dfcb3a87490ac64a">cr_sopen</a> (const char *filename, <a class="el" href="group__compression__wrapper.html#ga6bb279e5f6b0bba7747e6762d970caed">cr_OpenMode</a> mode, <a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> comtype, <a class="el" href="structcr___content_stat.html">cr_ContentStat</a> *stat, GError **err)</td></tr>
<tr class="separator:ga76fffe1f5962b158dfcb3a87490ac64a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga89a34bebdf72554232427233f550f62b"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga89a34bebdf72554232427233f550f62b">cr_read</a> (<a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> *cr_file, void *buffer, unsigned int len, GError **err)</td></tr>
<tr class="separator:ga89a34bebdf72554232427233f550f62b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9c8ab3c34089e90ca3df723ff2d06fce"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#ga9c8ab3c34089e90ca3df723ff2d06fce">cr_write</a> (<a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> *cr_file, const void *buffer, unsigned int len, GError **err)</td></tr>
<tr class="separator:ga9c8ab3c34089e90ca3df723ff2d06fce"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae17c7036205e31cf800275bde99cf80e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#gae17c7036205e31cf800275bde99cf80e">cr_puts</a> (<a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> *cr_file, const char *str, GError **err)</td></tr>
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<tr class="memitem:gaef53ab8bd3a355700de425ce73c6895a"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#gaef53ab8bd3a355700de425ce73c6895a">cr_printf</a> (GError **err, <a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> *cr_file, const char *format,...)</td></tr>
<tr class="separator:gaef53ab8bd3a355700de425ce73c6895a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac4ed022f35e83c04d7cac062bebf07b5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__compression__wrapper.html#gac4ed022f35e83c04d7cac062bebf07b5">cr_close</a> (<a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> *cr_file, GError **err)</td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define CR_CW_ERR   -1</td>
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<p>Return value - Error </p>
<p>Definition at line <a class="el" href="compression__wrapper_8h_source.html#l00087">87</a> of file <a class="el" href="compression__wrapper_8h_source.html">compression_wrapper.h</a>.</p>
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<td class="memname">#define cr_open</td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname">FILENAME, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">MODE, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">COMTYPE, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname">ERR </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td>   <a class="el" href="group__compression__wrapper.html#ga76fffe1f5962b158dfcb3a87490ac64a">cr_sopen</a>(FILENAME, MODE, COMTYPE, NULL, ERR)</td>
</tr>
</table>
</div><div class="memdoc">
<p>Open/Create the specified file. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">FILENAME</td><td>filename </td></tr>
<tr><td class="paramname">MODE</td><td>open mode </td></tr>
<tr><td class="paramname">COMTYPE</td><td>type of compression </td></tr>
<tr><td class="paramname">ERR</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to a <a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> or NULL </dd></dl>
<p>Definition at line <a class="el" href="compression__wrapper_8h_source.html#l00115">115</a> of file <a class="el" href="compression__wrapper_8h_source.html">compression_wrapper.h</a>.</p>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<td class="memname">enum <a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a></td>
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<p>Compression type. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214a96cdde2a3f715720babffeff45d0a94d"></a>CR_CW_AUTO_DETECT_COMPRESSION</em> </td><td class="fielddoc">
<p>Autodetection </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214a7d27bb3c7415e965eaec52d593cd8e3e"></a>CR_CW_UNKNOWN_COMPRESSION</em> </td><td class="fielddoc">
<p>Unknown compression </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214a388e1582b646c84be56cd5b49facf146"></a>CR_CW_NO_COMPRESSION</em> </td><td class="fielddoc">
<p>No compression </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214af3691bf6cf44970764d8d4cb2f339a9a"></a>CR_CW_GZ_COMPRESSION</em> </td><td class="fielddoc">
<p>Gzip compression </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214aa549faff4435ee839947d240752e92ab"></a>CR_CW_BZ2_COMPRESSION</em> </td><td class="fielddoc">
<p>BZip2 compression </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214a35863b6ce67b1aa3deeefe8d327102f0"></a>CR_CW_XZ_COMPRESSION</em> </td><td class="fielddoc">
<p>XZ compression </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="ggac218acbb5e4b319304fc74e5448a2214a3ff4b2e4e84b1a0bc915e859128161e8"></a>CR_CW_COMPRESSION_SENTINEL</em> </td><td class="fielddoc">
<p>Sentinel of the list </p>
</td></tr>
</table>
<p>Definition at line <a class="el" href="compression__wrapper_8h_source.html#l00037">37</a> of file <a class="el" href="compression__wrapper_8h_source.html">compression_wrapper.h</a>.</p>
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<td class="memname">enum <a class="el" href="group__compression__wrapper.html#ga6bb279e5f6b0bba7747e6762d970caed">cr_OpenMode</a></td>
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<p>Open modes. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><em><a class="anchor" id="gga6bb279e5f6b0bba7747e6762d970caedad3c049a9f91a9de903833b46ae2e14a4"></a>CR_CW_MODE_READ</em> </td><td class="fielddoc">
<p>Read mode </p>
</td></tr>
<tr><td class="fieldname"><em><a class="anchor" id="gga6bb279e5f6b0bba7747e6762d970caedaf376e969097f922f57f4c7a0cf23caf6"></a>CR_CW_MODE_WRITE</em> </td><td class="fielddoc">
<p>Write mode </p>
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<tr><td class="fieldname"><em><a class="anchor" id="gga6bb279e5f6b0bba7747e6762d970caeda1fd62504fa35d067219a5208d67f10bf"></a>CR_CW_MODE_SENTINEL</em> </td><td class="fielddoc">
<p>Sentinel of the list </p>
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<p>Definition at line <a class="el" href="compression__wrapper_8h_source.html#l00049">49</a> of file <a class="el" href="compression__wrapper_8h_source.html">compression_wrapper.h</a>.</p>
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<h2 class="groupheader">Function Documentation</h2>
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<td class="memname">int cr_close </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> * </td>
<td class="paramname"><em>cr_file</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<p>Closes the <a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cr_file</td><td><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> pointer </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>cr_Error code </dd></dl>
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<td class="memname">const char* cr_compression_suffix </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> </td>
<td class="paramname"><em>comtype</em></td><td>)</td>
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<p>Returns a common suffix for the specified cr_CompressionType. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">comtype</td><td>compression type </td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>common file suffix </dd></dl>
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<td class="memname"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> cr_compression_type </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em></td><td>)</td>
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<p>Return compression type. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>compression name </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>compression type </dd></dl>
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<td class="memname">void cr_contentstat_free </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structcr___content_stat.html">cr_ContentStat</a> * </td>
<td class="paramname"><em>cstat</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<p>Frees <a class="el" href="structcr___content_stat.html">cr_ContentStat</a> object. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">cstat</td><td><a class="el" href="structcr___content_stat.html">cr_ContentStat</a> object </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
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</dd>
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<td class="memname"><a class="el" href="structcr___content_stat.html">cr_ContentStat</a>* cr_contentstat_new </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__checksum.html#ga36a5d391d81917afca751eb71514f2cf">cr_ChecksumType</a> </td>
<td class="paramname"><em>type</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<td>)</td>
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<p>Creates new <a class="el" href="structcr___content_stat.html">cr_ContentStat</a> object </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">type</td><td>Type of checksum. (if CR_CHECKSUM_UNKNOWN is used, no checksum calculation will be done) </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="structcr___content_stat.html">cr_ContentStat</a> object </dd></dl>
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<td class="memname"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> cr_detect_compression </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>filename</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<td></td>
<td>)</td>
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<p>Detect a compression type of the specified file. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">filename</td><td>filename </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>detected type of compression </dd></dl>
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<td class="memname">int cr_printf </td>
<td>(</td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> * </td>
<td class="paramname"><em>cr_file</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>format</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"> </td>
<td class="paramname"><em>...</em> </td>
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<p>Writes a formatted string into the cr_file. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">err</td><td>GError ** </td></tr>
<tr><td class="paramname">cr_file</td><td><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> pointer </td></tr>
<tr><td class="paramname">format</td><td>format string </td></tr>
<tr><td class="paramname">...</td><td>list of additional arguments as specified in format </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>Number of bytes written or CR_CW_ERR (-1) </dd></dl>
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<td class="memname">int cr_puts </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> * </td>
<td class="paramname"><em>cr_file</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>str</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<p>Writes the string pointed by str into the cr_file. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cr_file</td><td><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> pointer </td></tr>
<tr><td class="paramname">str</td><td>null terminated ('\0') string </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>number of uncompressed bytes writed or CR_CW_ERR </dd></dl>
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<td class="memname">int cr_read </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> * </td>
<td class="paramname"><em>cr_file</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>buffer</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>len</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<td></td>
<td>)</td>
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<p>Reads an array of len bytes from the <a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cr_file</td><td><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> pointer </td></tr>
<tr><td class="paramname">buffer</td><td>target buffer </td></tr>
<tr><td class="paramname">len</td><td>number of bytes to read </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
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<dl class="section return"><dt>Returns</dt><dd>number of readed bytes or CR_CW_ERR (-1) </dd></dl>
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<td class="memname"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a>* cr_sopen </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>filename</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__compression__wrapper.html#ga6bb279e5f6b0bba7747e6762d970caed">cr_OpenMode</a> </td>
<td class="paramname"><em>mode</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__compression__wrapper.html#gac218acbb5e4b319304fc74e5448a2214">cr_CompressionType</a> </td>
<td class="paramname"><em>comtype</em>, </td>
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<td></td>
<td class="paramtype"><a class="el" href="structcr___content_stat.html">cr_ContentStat</a> * </td>
<td class="paramname"><em>stat</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
</tr>
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<td></td>
<td>)</td>
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<p>Open/Create the specified file. If opened for writting, you can pass a <a class="el" href="structcr___content_stat.html">cr_ContentStat</a> object and after <a class="el" href="group__compression__wrapper.html#gac4ed022f35e83c04d7cac062bebf07b5">cr_close()</a> get stats of an open content (stats of uncompressed content). </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">filename</td><td>filename </td></tr>
<tr><td class="paramname">mode</td><td>open mode </td></tr>
<tr><td class="paramname">comtype</td><td>type of compression </td></tr>
<tr><td class="paramname">stat</td><td>pointer to <a class="el" href="structcr___content_stat.html">cr_ContentStat</a> or NULL </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>pointer to a <a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> or NULL </dd></dl>
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<td class="memname">int cr_write </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> * </td>
<td class="paramname"><em>cr_file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>buffer</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>len</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">GError ** </td>
<td class="paramname"><em>err</em> </td>
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<td>)</td>
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<p>Writes the array of len bytes from buffer to the cr_file. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cr_file</td><td><a class="el" href="struct_c_r___f_i_l_e.html">CR_FILE</a> pointer </td></tr>
<tr><td class="paramname">buffer</td><td>source buffer </td></tr>
<tr><td class="paramname">len</td><td>number of bytes to read </td></tr>
<tr><td class="paramname">err</td><td>GError ** </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>number of uncompressed bytes readed (0 = EOF) or CR_CW_ERR (-1) </dd></dl>
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