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Versioning Interface. <a href="#details">More...</a></p> <div class="textblock"><code>#include "<a class="el" href="apr_8h_source.html">apr.h</a>"</code><br/> </div> <p><a href="apr__version_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> 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="structapr__version__t.html">apr_version_t</a></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr class="memitem:a5b87f36750f36424c8c3ce139c6ebc46"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><b>APR_COPYRIGHT</b></td></tr> <tr class="separator:a5b87f36750f36424c8c3ce139c6ebc46"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a09ffaed0dcb07c22aa5a0efbc41043c2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a>   1</td></tr> <tr class="separator:a09ffaed0dcb07c22aa5a0efbc41043c2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9470ed7888fcc5637eaf0291a324fcde"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a>   6</td></tr> <tr class="separator:a9470ed7888fcc5637eaf0291a324fcde"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8c8c1cbf8000059090ba4ac4365eda7d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#a8c8c1cbf8000059090ba4ac4365eda7d">APR_PATCH_VERSION</a>   2</td></tr> <tr class="separator:a8c8c1cbf8000059090ba4ac4365eda7d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac0646746397b0cb17a6d88ce55558fed"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#ac0646746397b0cb17a6d88ce55558fed">APR_VERSION_AT_LEAST</a>(major, minor, patch)</td></tr> <tr class="separator:ac0646746397b0cb17a6d88ce55558fed"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa07a7cfd506f536ca2e097d924ffcec8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#aa07a7cfd506f536ca2e097d924ffcec8">APR_IS_DEV_STRING</a>   "-dev"</td></tr> <tr class="separator:aa07a7cfd506f536ca2e097d924ffcec8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae90215615972dfa4108018304361ef0b"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b">APR_STRINGIFY</a>(n)   <a class="el" href="apr__version_8h.html#a71918dd8c53e093283b43b0ff0965439">APR_STRINGIFY_HELPER</a>(n)</td></tr> <tr class="separator:ae90215615972dfa4108018304361ef0b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a71918dd8c53e093283b43b0ff0965439"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#a71918dd8c53e093283b43b0ff0965439">APR_STRINGIFY_HELPER</a>(n)   #n</td></tr> <tr class="separator:a71918dd8c53e093283b43b0ff0965439"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac420a8c4636151e4086a18673a3335e7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#ac420a8c4636151e4086a18673a3335e7">APR_VERSION_STRING</a></td></tr> <tr class="separator:ac420a8c4636151e4086a18673a3335e7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac49895cc329e2b507f72a7afc62a25c6"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#ac49895cc329e2b507f72a7afc62a25c6">APR_VERSION_STRING_CSV</a></td></tr> <tr class="separator:ac49895cc329e2b507f72a7afc62a25c6"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:a15d53cfd826fcab2749e3df90bdd5fcc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#a15d53cfd826fcab2749e3df90bdd5fcc">apr_version</a> (<a class="el" href="structapr__version__t.html">apr_version_t</a> *pvsn)</td></tr> <tr class="separator:a15d53cfd826fcab2749e3df90bdd5fcc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af5ca08ef6ad70319d0e63f915e650768"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="apr__version_8h.html#af5ca08ef6ad70319d0e63f915e650768">apr_version_string</a> (void)</td></tr> <tr class="separator:af5ca08ef6ad70319d0e63f915e650768"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>APR Versioning Interface. </p> <p>APR's Version</p> <p>There are several different mechanisms for accessing the version. There is a string form, and a set of numbers; in addition, there are constants which can be compiled into your application, and you can query the library being used for its actual version.</p> <p>Note that it is possible for an application to detect that it has been compiled against a different version of APR by use of the compile-time constants and the use of the run-time query function.</p> <p>APR version numbering follows the guidelines specified in: </p> <pre class="fragment">http://apr.apache.org/versioning.html</pre></div><h2 class="groupheader">Macro Definition Documentation</h2> <a class="anchor" id="a5b87f36750f36424c8c3ce139c6ebc46"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_COPYRIGHT</td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line"><span class="stringliteral">"Copyright (c) 2000-2017 The Apache Software "</span> \</div> <div class="line"> <span class="stringliteral">"Foundation or its licensors, as applicable."</span></div> </div><!-- fragment --> </div> </div> <a class="anchor" id="aa07a7cfd506f536ca2e097d924ffcec8"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_IS_DEV_STRING   "-dev"</td> </tr> </table> </div><div class="memdoc"> <p>Internal: string form of the "is dev" flag </p> </div> </div> <a class="anchor" id="a09ffaed0dcb07c22aa5a0efbc41043c2"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_MAJOR_VERSION   1</td> </tr> </table> </div><div class="memdoc"> <p>major version Major API changes that could cause compatibility problems for older programs such as structure size changes. No binary compatibility is possible across a change in the major version. </p> </div> </div> <a class="anchor" id="a9470ed7888fcc5637eaf0291a324fcde"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_MINOR_VERSION   6</td> </tr> </table> </div><div class="memdoc"> <p>minor version Minor API changes that do not cause binary compatibility problems. Reset to 0 when upgrading APR_MAJOR_VERSION </p> </div> </div> <a class="anchor" id="a8c8c1cbf8000059090ba4ac4365eda7d"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_PATCH_VERSION   2</td> </tr> </table> </div><div class="memdoc"> <p>patch level The Patch Level never includes API changes, simply bug fixes. Reset to 0 when upgrading APR_MINOR_VERSION </p> </div> </div> <a class="anchor" id="ae90215615972dfa4108018304361ef0b"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_STRINGIFY</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">n</td><td>)</td> <td>   <a class="el" href="apr__version_8h.html#a71918dd8c53e093283b43b0ff0965439">APR_STRINGIFY_HELPER</a>(n)</td> </tr> </table> </div><div class="memdoc"> <p>Properly quote a value as a string in the C preprocessor </p> </div> </div> <a class="anchor" id="a71918dd8c53e093283b43b0ff0965439"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_STRINGIFY_HELPER</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">n</td><td>)</td> <td>   #n</td> </tr> </table> </div><div class="memdoc"> <p>Helper macro for APR_STRINGIFY </p> </div> </div> <a class="anchor" id="ac0646746397b0cb17a6d88ce55558fed"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_VERSION_AT_LEAST</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">major, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">minor, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">patch </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line">(((major) < <a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a>) \</div> <div class="line"> || ((major) == <a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a> && (minor) < <a class="code" href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a>) \</div> <div class="line"> || ((major) == <a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a> && (minor) == <a class="code" href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a> && (patch) <= <a class="code" href="apr__version_8h.html#a8c8c1cbf8000059090ba4ac4365eda7d">APR_PATCH_VERSION</a>))</div> <div class="ttc" id="apr__version_8h_html_a09ffaed0dcb07c22aa5a0efbc41043c2"><div class="ttname"><a href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a></div><div class="ttdeci">#define APR_MAJOR_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:53</div></div> <div class="ttc" id="apr__version_8h_html_a9470ed7888fcc5637eaf0291a324fcde"><div class="ttname"><a href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a></div><div class="ttdeci">#define APR_MINOR_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:59</div></div> <div class="ttc" id="apr__version_8h_html_a8c8c1cbf8000059090ba4ac4365eda7d"><div class="ttname"><a href="apr__version_8h.html#a8c8c1cbf8000059090ba4ac4365eda7d">APR_PATCH_VERSION</a></div><div class="ttdeci">#define APR_PATCH_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:65</div></div> </div><!-- fragment --><p>The symbol APR_IS_DEV_VERSION is only defined for internal, "development" copies of APR. It is undefined for released versions of APR. Check at compile time if the APR version is at least a certain level. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">major</td><td>The major version component of the version checked for (e.g., the "1" of "1.3.0"). </td></tr> <tr><td class="paramname">minor</td><td>The minor version component of the version checked for (e.g., the "3" of "1.3.0"). </td></tr> <tr><td class="paramname">patch</td><td>The patch level component of the version checked for (e.g., the "0" of "1.3.0"). </td></tr> </table> </dd> </dl> <dl class="section remark"><dt>Remarks</dt><dd>This macro is available with APR versions starting with 1.3.0. </dd></dl> </div> </div> <a class="anchor" id="ac420a8c4636151e4086a18673a3335e7"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_VERSION_STRING</td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line"><a class="code" href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b">APR_STRINGIFY</a>(<a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a>) <span class="stringliteral">"."</span> <a class="code" href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b">\</a></div> <div class="line"><a class="code" href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b"> APR_STRINGIFY</a>(<a class="code" href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a>) <span class="stringliteral">"."</span> <a class="code" href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b">\</a></div> <div class="line"><a class="code" href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b"> APR_STRINGIFY</a>(<a class="code" href="apr__version_8h.html#a8c8c1cbf8000059090ba4ac4365eda7d">APR_PATCH_VERSION</a>) <a class="code" href="apr__version_8h.html#aa07a7cfd506f536ca2e097d924ffcec8">\</a></div> <div class="line"><a class="code" href="apr__version_8h.html#aa07a7cfd506f536ca2e097d924ffcec8"> APR_IS_DEV_STRING</a></div> <div class="ttc" id="apr__version_8h_html_a09ffaed0dcb07c22aa5a0efbc41043c2"><div class="ttname"><a href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a></div><div class="ttdeci">#define APR_MAJOR_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:53</div></div> <div class="ttc" id="apr__version_8h_html_a9470ed7888fcc5637eaf0291a324fcde"><div class="ttname"><a href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a></div><div class="ttdeci">#define APR_MINOR_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:59</div></div> <div class="ttc" id="apr__version_8h_html_ae90215615972dfa4108018304361ef0b"><div class="ttname"><a href="apr__version_8h.html#ae90215615972dfa4108018304361ef0b">APR_STRINGIFY</a></div><div class="ttdeci">#define APR_STRINGIFY(n)</div><div class="ttdef"><b>Definition:</b> apr_version.h:103</div></div> <div class="ttc" id="apr__version_8h_html_a8c8c1cbf8000059090ba4ac4365eda7d"><div class="ttname"><a href="apr__version_8h.html#a8c8c1cbf8000059090ba4ac4365eda7d">APR_PATCH_VERSION</a></div><div class="ttdeci">#define APR_PATCH_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:65</div></div> <div class="ttc" id="apr__version_8h_html_aa07a7cfd506f536ca2e097d924ffcec8"><div class="ttname"><a href="apr__version_8h.html#aa07a7cfd506f536ca2e097d924ffcec8">APR_IS_DEV_STRING</a></div><div class="ttdeci">#define APR_IS_DEV_STRING</div><div class="ttdef"><b>Definition:</b> apr_version.h:94</div></div> </div><!-- fragment --><p>The formatted string of APR's version </p> </div> </div> <a class="anchor" id="ac49895cc329e2b507f72a7afc62a25c6"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_VERSION_STRING_CSV</td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line"><a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a> ##, \</div> <div class="line"><span class="preprocessor"> ##APR_MINOR_VERSION ##, \</span></div> <div class="line"><span class="preprocessor"> ##APR_PATCH_VERSION</span></div> <div class="ttc" id="apr__version_8h_html_a09ffaed0dcb07c22aa5a0efbc41043c2"><div class="ttname"><a href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a></div><div class="ttdeci">#define APR_MAJOR_VERSION</div><div class="ttdef"><b>Definition:</b> apr_version.h:53</div></div> </div><!-- fragment --><p>An alternative formatted string of APR's version </p> </div> </div> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="a15d53cfd826fcab2749e3df90bdd5fcc"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void apr_version </td> <td>(</td> <td class="paramtype"><a class="el" href="structapr__version__t.html">apr_version_t</a> * </td> <td class="paramname"><em>pvsn</em></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Return APR's version information information in a numeric form.</p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pvsn</td><td>Pointer to a version structure for returning the version information. </td></tr> </table> </dd> </dl> </div> </div> <a class="anchor" id="af5ca08ef6ad70319d0e63f915e650768"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">const char* apr_version_string </td> <td>(</td> <td class="paramtype">void </td> <td class="paramname"></td><td>)</td> <td></td> </tr> </table> </div><div class="memdoc"> <p>Return APR's version information as a string. </p> </div> </div> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated by  <a 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