<!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_memnode_t Struct 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 1.7.3 --> <script type="text/javascript"><!-- var searchBox = new SearchBox("searchBox", "search",false,'Search'); --></script> <div id="top"> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Apache Portable Runtime</div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> <li id="searchli"> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" id="MSearchField" value="Search" accesskey="S" onfocus="searchBox.OnSearchFieldFocus(true)" onblur="searchBox.OnSearchFieldFocus(false)" onkeyup="searchBox.OnSearchFieldChange(event)"/> </span><span class="right"> <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a> </span> </div> </li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="classes.html"><span>Data Structure Index</span></a></li> <li><a href="functions.html"><span>Data Fields</span></a></li> </ul> </div> </div> <div class="header"> <div class="summary"> <a href="#pub-attribs">Data Fields</a> </div> <div class="headertitle"> <h1>apr_memnode_t Struct Reference<div class="ingroups"><a class="el" href="group__apr__allocator.html">Internal Memory Allocation</a></div></h1> </div> </div> <div class="contents"> <!-- doxytag: class="apr_memnode_t" --> <p><code>#include <<a class="el" href="apr__allocator_8h_source.html">apr_allocator.h</a>></code></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-attribs"></a> Data Fields</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structapr__memnode__t.html">apr_memnode_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__memnode__t.html#a07dd84ca152164d6bc283dbce99f8f78">next</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structapr__memnode__t.html">apr_memnode_t</a> ** </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__memnode__t.html#ac68a939c0c3d48498ec0c0fde409c502">ref</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">apr_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__memnode__t.html#a6188325f9e1cbcafcb0a65b7e41881a1">index</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">apr_uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__memnode__t.html#af63769f30f6eb9d72e4b24050bd7a9d9">free_index</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__memnode__t.html#a863e7980225e46678881271c4c803e4c">first_avail</a></td></tr> <tr><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="structapr__memnode__t.html#a35c9bf71f1cc680929f857176b547a05">endp</a></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <div class="textblock"><p>basic memory node structure </p> <dl class="note"><dt><b>Note:</b></dt><dd>The next, ref and first_avail fields are available for use by the caller of <a class="el" href="group__apr__allocator.html#ga7452b0837c2148bd63109f89bbc0c3db">apr_allocator_alloc()</a>, the remaining fields are read-only. The next field has to be used with caution and sensibly set when the memnode is passed back to <a class="el" href="group__apr__allocator.html#ga124e48339838213fd5e160a4125cb7e8">apr_allocator_free()</a>. See <a class="el" href="group__apr__allocator.html#ga124e48339838213fd5e160a4125cb7e8">apr_allocator_free()</a> for details. The ref and first_avail fields will be properly restored by <a class="el" href="group__apr__allocator.html#ga124e48339838213fd5e160a4125cb7e8">apr_allocator_free()</a>. </dd></dl> </div><hr/><h2>Field Documentation</h2> <a class="anchor" id="a35c9bf71f1cc680929f857176b547a05"></a><!-- doxytag: member="apr_memnode_t::endp" ref="a35c9bf71f1cc680929f857176b547a05" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">char* <a class="el" href="structapr__memnode__t.html#a35c9bf71f1cc680929f857176b547a05">apr_memnode_t::endp</a></td> </tr> </table> </div> <div class="memdoc"> <p>pointer to end of free memory </p> </div> </div> <a class="anchor" id="a863e7980225e46678881271c4c803e4c"></a><!-- doxytag: member="apr_memnode_t::first_avail" ref="a863e7980225e46678881271c4c803e4c" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">char* <a class="el" href="structapr__memnode__t.html#a863e7980225e46678881271c4c803e4c">apr_memnode_t::first_avail</a></td> </tr> </table> </div> <div class="memdoc"> <p>pointer to first free memory </p> </div> </div> <a class="anchor" id="af63769f30f6eb9d72e4b24050bd7a9d9"></a><!-- doxytag: member="apr_memnode_t::free_index" ref="af63769f30f6eb9d72e4b24050bd7a9d9" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">apr_uint32_t <a class="el" href="structapr__memnode__t.html#af63769f30f6eb9d72e4b24050bd7a9d9">apr_memnode_t::free_index</a></td> </tr> </table> </div> <div class="memdoc"> <p>how much free </p> </div> </div> <a class="anchor" id="a6188325f9e1cbcafcb0a65b7e41881a1"></a><!-- doxytag: member="apr_memnode_t::index" ref="a6188325f9e1cbcafcb0a65b7e41881a1" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">apr_uint32_t <a class="el" href="structapr__memnode__t.html#a6188325f9e1cbcafcb0a65b7e41881a1">apr_memnode_t::index</a></td> </tr> </table> </div> <div class="memdoc"> <p>size </p> </div> </div> <a class="anchor" id="a07dd84ca152164d6bc283dbce99f8f78"></a><!-- doxytag: member="apr_memnode_t::next" ref="a07dd84ca152164d6bc283dbce99f8f78" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structapr__memnode__t.html">apr_memnode_t</a>* <a class="el" href="structapr__memnode__t.html#a07dd84ca152164d6bc283dbce99f8f78">apr_memnode_t::next</a></td> </tr> </table> </div> <div class="memdoc"> <p>next memnode </p> </div> </div> <a class="anchor" id="ac68a939c0c3d48498ec0c0fde409c502"></a><!-- doxytag: member="apr_memnode_t::ref" ref="ac68a939c0c3d48498ec0c0fde409c502" args="" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structapr__memnode__t.html">apr_memnode_t</a>** <a class="el" href="structapr__memnode__t.html#ac68a939c0c3d48498ec0c0fde409c502">apr_memnode_t::ref</a></td> </tr> </table> </div> <div class="memdoc"> <p>reference to self </p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="apr__allocator_8h_source.html">apr_allocator.h</a></li> </ul> </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>Namespaces</a><a 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