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121 lines
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<th width="100%" align="center">libvirt Reference Manual</th>
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<span class="refentrytitle">conf</span>
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</h2>
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<p>conf - </p>
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<p></p>
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<p>Author(s): </p>
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<div class="refsynopsisdiv">
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<h2>Synopsis</h2>
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<pre class="synopsis">typedef <a href="libvirt-conf.html#virConfValue">virConfValue</a> * <a href="#virConfValuePtr">virConfValuePtr</a>;
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typedef enum <a href="#virConfType">virConfType</a>;
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typedef struct _virConfValue <a href="#virConfValue">virConfValue</a>;
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typedef struct _virConf <a href="#virConf">virConf</a>;
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typedef <a href="libvirt-conf.html#virConf">virConf</a> * <a href="#virConfPtr">virConfPtr</a>;
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int <a href="#virConfWriteFile">virConfWriteFile</a> (const char * filename, <br/> <a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf);
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<a href="libvirt-conf.html#virConfValuePtr">virConfValuePtr</a> <a href="#virConfGetValue">virConfGetValue</a> (<a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf, <br/> const char * setting);
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<a href="libvirt-conf.html#virConfPtr">virConfPtr</a> <a href="#virConfReadMem">virConfReadMem</a> (const char * memory, <br/> int len);
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int <a href="#virConfFree">virConfFree</a> (<a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf);
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<a href="libvirt-conf.html#virConfPtr">virConfPtr</a> <a href="#virConfReadFile">virConfReadFile</a> (const char * filename);
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int <a href="#virConfWriteMem">virConfWriteMem</a> (char * memory, <br/> int * len, <br/> <a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf);
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</pre>
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</div>
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<div class="refsect1" lang="en">
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<h2>Description</h2>
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</div>
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<div class="refsect1" lang="en">
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<h2>Details</h2>
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<div class="refsect2" lang="en">
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<div class="refsect2" lang="en"><h3><a name="virConf">Structure </a>virConf</h3><pre class="programlisting">struct _virConf {
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The content of this structure is not made public by the API.
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} virConf;
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</pre><p/>
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</div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfPtr">Typedef </a>virConfPtr</h3><pre class="programlisting"><a href="libvirt-conf.html#virConf">virConf</a> * virConfPtr;
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</pre><p>a pointer to a parsed configuration file</p>
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</div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfType">Enum </a>virConfType</h3><pre class="programlisting">enum <a href="#virConfType">virConfType</a> {
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<a name="VIR_CONF_NONE">VIR_CONF_NONE</a> = 0 /* undefined */
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<a name="VIR_CONF_LONG">VIR_CONF_LONG</a> = 1 /* a long int */
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<a name="VIR_CONF_STRING">VIR_CONF_STRING</a> = 2 /* a string */
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<a name="VIR_CONF_LIST">VIR_CONF_LIST</a> = 3 /* a list */
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};
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</pre><p/>
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</div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfValue">Structure </a>virConfValue</h3><pre class="programlisting">struct _virConfValue {
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<a href="libvirt-conf.html#virConfType">virConfType</a> type : the <a href="libvirt-conf.html#virConfType">virConfType</a>
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<a href="libvirt-conf.html#virConfValuePtr">virConfValuePtr</a> next : next element if in a list
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long l : long integer
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char * str : pointer to 0 terminated string
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<a href="libvirt-conf.html#virConfValuePtr">virConfValuePtr</a> list : list of a list
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} virConfValue;
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</pre><p/>
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</div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfValuePtr">Typedef </a>virConfValuePtr</h3><pre class="programlisting"><a href="libvirt-conf.html#virConfValue">virConfValue</a> * virConfValuePtr;
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</pre><p/>
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</div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfFree"/>virConfFree ()</h3><pre class="programlisting">int virConfFree (<a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf)<br/>
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</pre><p>Frees all data associated to the handle</p>
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<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>conf</tt></i>:</span></td><td>a configuration file 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 error.</td></tr></tbody></table></div></div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfGetValue"/>virConfGetValue ()</h3><pre class="programlisting"><a href="libvirt-conf.html#virConfValuePtr">virConfValuePtr</a> virConfGetValue (<a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf, <br/> const char * setting)<br/>
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</pre><p>Lookup the value associated to this entry in the configuration file</p>
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<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>conf</tt></i>:</span></td><td>a configuration file handle</td></tr><tr><td><span class="term"><i><tt>setting</tt></i>:</span></td><td/></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>a pointer to the value or NULL if the lookup failed, the data associated will be freed when virConfFree() is called</td></tr></tbody></table></div></div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfReadFile"/>virConfReadFile ()</h3><pre class="programlisting"><a href="libvirt-conf.html#virConfPtr">virConfPtr</a> virConfReadFile (const char * filename)<br/>
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</pre><p>Reads a configuration file.</p>
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<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>filename</tt></i>:</span></td><td>the path to the configuration file.</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>an handle to lookup settings or NULL if it failed to read or parse the file, use virConfFree() to free the data.</td></tr></tbody></table></div></div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfReadMem"/>virConfReadMem ()</h3><pre class="programlisting"><a href="libvirt-conf.html#virConfPtr">virConfPtr</a> virConfReadMem (const char * memory, <br/> int len)<br/>
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</pre><p>Reads a configuration file loaded in memory. The string can be zero terminated in which case @len can be 0</p>
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<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>memory</tt></i>:</span></td><td>pointer to the content of the configuration file</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>lenght in byte</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>an handle to lookup settings or NULL if it failed to parse the content, use virConfFree() to free the data.</td></tr></tbody></table></div></div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfWriteFile"/>virConfWriteFile ()</h3><pre class="programlisting">int virConfWriteFile (const char * filename, <br/> <a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf)<br/>
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</pre><p>Writes a configuration file back to a file.</p>
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<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>filename</tt></i>:</span></td><td>the path to the configuration file.</td></tr><tr><td><span class="term"><i><tt>conf</tt></i>:</span></td><td>the conf</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of bytes written or -1 in case of error.</td></tr></tbody></table></div></div>
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<hr/>
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<div class="refsect2" lang="en"><h3><a name="virConfWriteMem"/>virConfWriteMem ()</h3><pre class="programlisting">int virConfWriteMem (char * memory, <br/> int * len, <br/> <a href="libvirt-conf.html#virConfPtr">virConfPtr</a> conf)<br/>
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</pre><p>Writes a configuration file back to a memory area. @len is an IN/OUT parameter, it indicates the size available in bytes, and on output the size required for the configuration file (even if the call fails due to insufficient space).</p>
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<div class="variablelist"><table border="0"><col align="left"/><tbody><tr><td><span class="term"><i><tt>memory</tt></i>:</span></td><td>pointer to the memory to store the config file</td></tr><tr><td><span class="term"><i><tt>len</tt></i>:</span></td><td>pointer to the lenght in byte of the store, on output the size</td></tr><tr><td><span class="term"><i><tt>conf</tt></i>:</span></td><td>the conf</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the number of bytes written or -1 in case of error.</td></tr></tbody></table></div></div>
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