<!-- This comment will put IE 6, 7 and 8 in quirks mode --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Apache Portable Runtime: apr_version.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javaScript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body onload='searchBox.OnSelectItem(0);'> <!-- Generated by Doxygen 1.6.3 --> <script type="text/javascript"><!-- var searchBox = new SearchBox("searchBox", "search",false,'Search'); --></script> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> 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<p>APR Versioning Interface. <a href="#_details">More...</a></p> <code>#include "<a class="el" href="apr_8h_source.html">apr.h</a>"</code><br/> <p><a href="apr__version_8h_source.html">Go to the source code of this file.</a></p> <table border="0" cellpadding="0" cellspacing="0"> <tr><td colspan="2"><h2>Data Structures</h2></td></tr> <tr><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><td colspan="2"><h2>Defines</h2></td></tr> <tr><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><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> 4</td></tr> <tr><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> 6</td></tr> <tr><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><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><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) APR_STRINGIFY_HELPER(n)</td></tr> <tr><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><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><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><td colspan="2"><h2>Functions</h2></td></tr> <tr><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><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> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <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> <p><a href="http://apr.apache.org/versioning.html">http://apr.apache.org/versioning.html</a> </p> <hr/><h2>Define Documentation</h2> <a class="anchor" id="aa07a7cfd506f536ca2e097d924ffcec8"></a><!-- doxytag: member="apr_version.h::APR_IS_DEV_STRING" ref="aa07a7cfd506f536ca2e097d924ffcec8" args="" --> <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><!-- doxytag: member="apr_version.h::APR_MAJOR_VERSION" ref="a09ffaed0dcb07c22aa5a0efbc41043c2" args="" --> <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><!-- doxytag: member="apr_version.h::APR_MINOR_VERSION" ref="a9470ed7888fcc5637eaf0291a324fcde" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_MINOR_VERSION 4</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><!-- doxytag: member="apr_version.h::APR_PATCH_VERSION" ref="a8c8c1cbf8000059090ba4ac4365eda7d" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_PATCH_VERSION 6</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><!-- doxytag: member="apr_version.h::APR_STRINGIFY" ref="ae90215615972dfa4108018304361ef0b" args="(n)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_STRINGIFY</td> <td>(</td> <td class="paramtype">n </td> <td class="paramname"></td> <td> ) </td> <td> APR_STRINGIFY_HELPER(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><!-- doxytag: member="apr_version.h::APR_STRINGIFY_HELPER" ref="a71918dd8c53e093283b43b0ff0965439" args="(n)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_STRINGIFY_HELPER</td> <td>(</td> <td class="paramtype">n </td> <td class="paramname"></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><!-- doxytag: member="apr_version.h::APR_VERSION_AT_LEAST" ref="ac0646746397b0cb17a6d88ce55558fed" args="(major, minor, patch)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define APR_VERSION_AT_LEAST</td> <td>(</td> <td class="paramtype">major, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">minor, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">patch </td> <td class="paramname"></td> <td> ) </td> <td></td> </tr> </table> </div> <div class="memdoc"> <b>Value:</b><div class="fragment"><pre class="fragment">(((major) < <a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a>) \ || ((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>) \ || ((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>)) </pre></div><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><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>major</em> </td><td>The major version component of the version checked for (e.g., the "1" of "1.3.0"). </td></tr> <tr><td valign="top"></td><td valign="top"><em>minor</em> </td><td>The minor version component of the version checked for (e.g., the "3" of "1.3.0"). </td></tr> <tr><td valign="top"></td><td valign="top"><em>patch</em> </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="remark"><dt><b>Remarks:</b></dt><dd>This macro is available with APR versions starting with 1.3.0. </dd></dl> </div> </div> <a class="anchor" id="ac420a8c4636151e4086a18673a3335e7"></a><!-- doxytag: member="apr_version.h::APR_VERSION_STRING" ref="ac420a8c4636151e4086a18673a3335e7" args="" --> <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"><pre class="fragment"><a class="code" href="group__apr__general.html#gae90215615972dfa4108018304361ef0b">APR_STRINGIFY</a>(<a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a>) <span class="stringliteral">"."</span> \ <a class="code" href="group__apr__general.html#gae90215615972dfa4108018304361ef0b">APR_STRINGIFY</a>(<a class="code" href="apr__version_8h.html#a9470ed7888fcc5637eaf0291a324fcde">APR_MINOR_VERSION</a>) <span class="stringliteral">"."</span> \ <a class="code" href="group__apr__general.html#gae90215615972dfa4108018304361ef0b">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">APR_IS_DEV_STRING</a> </pre></div><p>The formatted string of APR's version </p> </div> </div> <a class="anchor" id="ac49895cc329e2b507f72a7afc62a25c6"></a><!-- doxytag: member="apr_version.h::APR_VERSION_STRING_CSV" ref="ac49895cc329e2b507f72a7afc62a25c6" args="" --> <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"><pre class="fragment"><a class="code" href="apr__version_8h.html#a09ffaed0dcb07c22aa5a0efbc41043c2">APR_MAJOR_VERSION</a> ##, \ <span class="preprocessor"> ##APR_MINOR_VERSION ##, \</span> <span class="preprocessor"> ##APR_PATCH_VERSION</span> </pre></div><p>An alternative formatted string of APR's version </p> </div> </div> <hr/><h2>Function Documentation</h2> <a class="anchor" id="a15d53cfd826fcab2749e3df90bdd5fcc"></a><!-- doxytag: member="apr_version.h::apr_version" ref="a15d53cfd826fcab2749e3df90bdd5fcc" args="(apr_version_t *pvsn)" --> <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><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>pvsn</em> </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><!-- doxytag: member="apr_version.h::apr_version_string" ref="af5ca08ef6ad70319d0e63f915e650768" args="(void)" --> <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> <!--- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" 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