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38: <h2>
39: <span class="refentrytitle">xmlmodule</span>
40: </h2>
41: <p>xmlmodule - dynamic module loading</p>
42: <p>basic API for dynamic module loading, used by libexslt added in 2.6.17 </p>
43: <p>Author(s): Joel W. Reed </p>
44: <div class="refsynopsisdiv">
45: <h2>Synopsis</h2>
46: <pre class="synopsis">typedef struct _xmlModule <a href="#xmlModule">xmlModule</a>;
47: typedef <a href="libxml2-xmlmodule.html#xmlModule">xmlModule</a> * <a href="#xmlModulePtr">xmlModulePtr</a>;
48: typedef enum <a href="#xmlModuleOption">xmlModuleOption</a>;
49: int <a href="#xmlModuleFree">xmlModuleFree</a> (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module);
50: int <a href="#xmlModuleSymbol">xmlModuleSymbol</a> (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module, <br/> const char * name, <br/> void ** symbol);
51: <a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> <a href="#xmlModuleOpen">xmlModuleOpen</a> (const char * name, <br/> int options);
52: int <a href="#xmlModuleClose">xmlModuleClose</a> (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module);
53: </pre>
54: </div>
55: <div class="refsect1" lang="en">
56: <h2>Description</h2>
57: </div>
58: <div class="refsect1" lang="en">
59: <h2>Details</h2>
60: <div class="refsect2" lang="en">
61: <div class="refsect2" lang="en"><h3><a name="xmlModule">Structure </a>xmlModule</h3><pre class="programlisting">struct _xmlModule {
62: The content of this structure is not made public by the API.
63: } xmlModule;
64: </pre><p/>
65: </div>
66: <hr/>
67: <div class="refsect2" lang="en"><h3><a name="xmlModuleOption">Enum </a>xmlModuleOption</h3><pre class="programlisting">enum <a href="#xmlModuleOption">xmlModuleOption</a> {
68: <a name="XML_MODULE_LAZY">XML_MODULE_LAZY</a> = 1 /* lazy binding */
69: <a name="XML_MODULE_LOCAL">XML_MODULE_LOCAL</a> = 2 /* local binding */
70: };
71: </pre><p/>
72: </div>
73: <hr/>
74: <div class="refsect2" lang="en"><h3><a name="xmlModulePtr">Typedef </a>xmlModulePtr</h3><pre class="programlisting"><a href="libxml2-xmlmodule.html#xmlModule">xmlModule</a> * xmlModulePtr;
75: </pre><p>A handle to a dynamically loaded module</p>
76: </div>
77: <hr/>
78: <div class="refsect2" lang="en"><h3><a name="xmlModuleClose"/>xmlModuleClose ()</h3><pre class="programlisting">int xmlModuleClose (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)<br/>
79: </pre><p>The close operations unload the associated module and free the data associated to the module.</p>
80: <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></div>
81: <hr/>
82: <div class="refsect2" lang="en"><h3><a name="xmlModuleFree"/>xmlModuleFree ()</h3><pre class="programlisting">int xmlModuleFree (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module)<br/>
83: </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>
84: <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></div>
85: <hr/>
86: <div class="refsect2" lang="en"><h3><a name="xmlModuleOpen"/>xmlModuleOpen ()</h3><pre class="programlisting"><a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> xmlModuleOpen (const char * name, <br/> int options)<br/>
87: </pre><p>Opens a module/shared library given its name or path TODO: options are not yet implemented.</p>
88: <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="libxml2-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></div>
89: <hr/>
90: <div class="refsect2" lang="en"><h3><a name="xmlModuleSymbol"/>xmlModuleSymbol ()</h3><pre class="programlisting">int xmlModuleSymbol (<a href="libxml2-xmlmodule.html#xmlModulePtr">xmlModulePtr</a> module, <br/> const char * name, <br/> void ** symbol)<br/>
91: </pre><p>Lookup for a symbol address in the given module</p>
92: <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></div>
93: <hr/>
94: </div>
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