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<?xml version="1.0" encoding="UTF-8"?> <!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/html; charset=UTF-8" /><link rel="SHORTCUT ICON" href="/favicon.ico" /><style type="text/css"> TD {font-family: Verdana,Arial,Helvetica} BODY {font-family: Verdana,Arial,Helvetica; margin-top: 2em; margin-left: 0em; margin-right: 0em} H1 {font-family: Verdana,Arial,Helvetica} H2 {font-family: Verdana,Arial,Helvetica} H3 {font-family: Verdana,Arial,Helvetica} A:link, A:visited, A:active { text-decoration: underline } </style><style type="text/css"> div.deprecated pre.programlisting {border-style: double;border-color:red} pre.programlisting {border-style: double;background: #EECFA1} </style><title>Module xmlmodule from libxml2</title></head><body bgcolor="#8b7765" text="#000000" link="#a06060" vlink="#000000"><table border="0" width="100%" cellpadding="5" cellspacing="0" align="center"><tr><td width="120"><a href="http://swpat.ffii.org/"><img src="../epatents.png" alt="Action against software patents" /></a></td><td width="180"><a href="http://www.gnome.org/"><img src="../gnome2.png" alt="Gnome2 Logo" /></a><a href="http://www.w3.org/Status"><img src="../w3c.png" alt="W3C Logo" /></a><a href="http://www.redhat.com/"><img src="../redhat.gif" alt="Red Hat Logo" /></a><div align="left"><a href="http://xmlsoft.org/"><img src="../Libxml2-Logo-180x168.gif" alt="Made with Libxml2 Logo" /></a></div></td><td><table border="0" width="90%" cellpadding="2" cellspacing="0" align="center" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3" bgcolor="#fffacd"><tr><td align="center"><h1></h1><h2>Module xmlmodule from libxml2</h2></td></tr></table></td></tr></table></td></tr></table><table border="0" cellpadding="4" cellspacing="0" width="100%" align="center"><tr><td bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="2" width="100%"><tr><td valign="top" width="200" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table width="100%" border="0" cellspacing="1" cellpadding="3"><tr><td colspan="1" bgcolor="#eecfa1" align="center"><center><b>API Menu</b></center></td></tr><tr><td bgcolor="#fffacd"><form action="../search.php" enctype="application/x-www-form-urlencoded" method="get"><input name="query" type="text" size="20" value="" /><input name="submit" type="submit" value="Search ..." /></form><ul><li><a style="font-weight:bold" href="../index.html">Main Menu</a></li><li><a style="font-weight:bold" href="../docs.html">Developer Menu</a></li><li><a style="font-weight:bold" href="../examples/index.html">Code Examples</a></li><li><a style="font-weight:bold" href="index.html">API Menu</a></li><li><a href="libxml-parser.html">Parser API</a></li><li><a href="libxml-tree.html">Tree 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href="http://bugzilla.gnome.org/buglist.cgi?product=libxml2">Bug Tracker</a></li></ul></td></tr></table></td></tr></table></td><td valign="top" bgcolor="#8b7765"><table border="0" cellspacing="0" cellpadding="1" width="100%"><tr><td><table border="0" cellspacing="0" cellpadding="1" width="100%" bgcolor="#000000"><tr><td><table border="0" cellpadding="3" cellspacing="1" width="100%"><tr><td bgcolor="#fffacd"><table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libxml-xmlmemory.html"><img src="left.png" width="24" height="24" border="0" alt="Prev" /></a></td><th align="left"><a href="libxml-xmlmemory.html">xmlmemory</a></th><td><a accesskey="u" href="index.html"><img src="up.png" width="24" height="24" border="0" alt="Up" /></a></td><th align="left"><a href="index.html">API documentation</a></th><td><a accesskey="h" href="../index.html"><img src="home.png" width="24" height="24" border="0" alt="Home" /></a></td><th align="center"><a href="../index.html">The XML C parser and toolkit of Gnome</a></th><th align="right"><a href="libxml-xmlreader.html">xmlreader</a></th><td><a accesskey="n" href="libxml-xmlreader.html"><img src="right.png" width="24" height="24" border="0" alt="Next" /></a></td></tr></table><p>basic API for dynamic module loading, used by libexslt added in 2.6.17 </p><h2>Table of Contents</h2><pre class="programlisting">Structure <a href="#xmlModule">xmlModule</a><br />struct _xmlModule The content of this structure is not made public by the API. </pre><pre class="programlisting">Enum <a href="#xmlModuleOption">xmlModuleOption</a> </pre><pre class="programlisting">Typedef <a href="libxml-xmlmodule.html#xmlModule">xmlModule</a> * <a name="xmlModulePtr" id="xmlModulePtr">xmlModulePtr</a> </pre><pre class="programlisting">int <a href="#xmlModuleClose">xmlModuleClose</a> (<a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)</pre> <pre class="programlisting">int <a href="#xmlModuleFree">xmlModuleFree</a> (<a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)</pre> <pre class="programlisting"><a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> <a href="#xmlModuleOpen">xmlModuleOpen</a> (const char * name, <br /> int options)</pre> <pre class="programlisting">int <a href="#xmlModuleSymbol">xmlModuleSymbol</a> (<a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module, <br /> const char * name, <br /> void ** symbol)</pre> <h2>Description</h2> <h3><a name="xmlModule" id="xmlModule">Structure xmlModule</a></h3><pre class="programlisting">Structure xmlModule<br />struct _xmlModule { The content of this structure is not made public by the API. }</pre><h3>Enum <a name="xmlModuleOption" id="xmlModuleOption">xmlModuleOption</a></h3><pre class="programlisting">Enum xmlModuleOption { <a name="XML_MODULE_LAZY" id="XML_MODULE_LAZY">XML_MODULE_LAZY</a> = 1 : lazy binding <a name="XML_MODULE_LOCAL" id="XML_MODULE_LOCAL">XML_MODULE_LOCAL</a> = 2 : local binding } </pre> A handle to a dynamically loaded module <h3><a name="xmlModuleClose" id="xmlModuleClose"></a>Function: xmlModuleClose</h3><pre class="programlisting">int xmlModuleClose (<a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)<br /> </pre><p>The close operations unload the associated module and free the data associated to the module.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>module</tt></i>:</span></td><td>the module handle</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of argument error and -2 if the module could not be closed/unloaded.</td></tr></tbody></table></div><h3><a name="xmlModuleFree" id="xmlModuleFree"></a>Function: xmlModuleFree</h3><pre class="programlisting">int xmlModuleFree (<a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)<br /> </pre><p>The free operations free the data associated to the module but does not unload the associated shared library which may still be in use.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>module</tt></i>:</span></td><td>the module handle</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 in case of success, -1 in case of argument error</td></tr></tbody></table></div><h3><a name="xmlModuleOpen" id="xmlModuleOpen"></a>Function: xmlModuleOpen</h3><pre class="programlisting"><a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> xmlModuleOpen (const char * name, <br /> int options)<br /> </pre><p>Opens a module/shared library given its name or path NOTE: that due to portability issues, behaviour can only be guaranteed with @name using ASCII. We canot guarantee that an UTF-8 string would work, which is why name is a const char * and not a const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * . TODO: options are not yet implemented.</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the module name</td></tr><tr><td><span class="term"><i><tt>options</tt></i>:</span></td><td>a set of <a href="libxml-xmlmodule.html#xmlModuleOption">xmlModuleOption</a></td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a handle for the module or NULL in case of error</td></tr></tbody></table></div><h3><a name="xmlModuleSymbol" id="xmlModuleSymbol"></a>Function: xmlModuleSymbol</h3><pre class="programlisting">int xmlModuleSymbol (<a href="libxml-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module, <br /> const char * name, <br /> void ** symbol)<br /> </pre><p>Lookup for a symbol address in the given module NOTE: that due to portability issues, behaviour can only be guaranteed with @name using ASCII. We canot guarantee that an UTF-8 string would work, which is why name is a const char * and not a const <a href="libxml-xmlstring.html#xmlChar">xmlChar</a> * .</p> <div class="variablelist"><table border="0"><col align="left" /><tbody><tr><td><span class="term"><i><tt>module</tt></i>:</span></td><td>the module</td></tr><tr><td><span class="term"><i><tt>name</tt></i>:</span></td><td>the name of the symbol</td></tr><tr><td><span class="term"><i><tt>symbol</tt></i>:</span></td><td>the resulting symbol address</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>0 if the symbol was found, or -1 in case of error</td></tr></tbody></table></div><p><a href="../bugs.html">Daniel Veillard</a></p></td></tr></table></td></tr></table></td></tr></table></td></tr></table></td></tr></table></body></html>