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<a name="libxfce4util-Miscellaneous-Utilities"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2><span class="refentrytitle"><a name="libxfce4util-Miscellaneous-Utilities.top_of_page"></a>Miscellaneous Utilities</span></h2>
<p>Miscellaneous Utilities — Miscellaneous utility functions</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1" lang="en">
<a name="libxfce4util-Miscellaneous-Utilities.functions"></a><h2>Functions</h2>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="function_type">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-homedir" title="xfce_get_homedir ()">xfce_get_homedir</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-homefile" title="xfce_get_homefile()">xfce_get_homefile</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-homefile-r" title="xfce_get_homefile_r ()">xfce_get_homefile_r</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-userdir" title="xfce_get_userdir ()">xfce_get_userdir</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="define_keyword">#define</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-userfile" title="xfce_get_userfile()">xfce_get_userfile</a><span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-userfile-r" title="xfce_get_userfile_r ()">xfce_get_userfile_r</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-gethostname" title="xfce_gethostname ()">xfce_gethostname</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
</td>
<td class="function_name">
<a href="libxfce4util-Miscellaneous-Utilities.html#xfce-expand-variables" title="xfce_expand_variables ()">xfce_expand_variables</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1" lang="en">
<a name="libxfce4util-Miscellaneous-Utilities.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libxfce4util/libxfce4util.h>
</pre>
</div>
<div class="refsect1" lang="en">
<a name="libxfce4util-Miscellaneous-Utilities.description"></a><h2>Description</h2>
<p>
</p>
</div>
<div class="refsect1" lang="en">
<a name="libxfce4util-Miscellaneous-Utilities.functions_details"></a><h2>Functions</h2>
<div class="refsect2" lang="en">
<a name="xfce-get-homedir"></a><h3>xfce_get_homedir ()</h3>
<pre class="programlisting">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
xfce_get_homedir (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Similar to <code class="function">g_get_homedir()</code> in functionality but will never return NULL.
While <code class="function">g_get_homedir()</code> may return NULL under certain circumstances, this
function is garantied to never ever return NULL, but always return a
valid character pointer with the absolute path to the user's home directory.</p>
<p>The returned string is owned by libxfce4util and must not be freed by
the caller.</p>
<div class="refsect3" lang="en">
<a name="idm1351927440"></a><h4>Returns</h4>
<p> the path to the current user's home directory.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-get-homefile"></a><h3>xfce_get_homefile()</h3>
<pre class="programlisting">#define xfce_get_homefile(...)</pre>
<p>
Returns the path to a file in the user's home directory by taking a
NULL terminated list of strings and appending them to the absolute
path of the current user's home directory.
</p>
<div class="refsect3" lang="en">
<a name="idp1051657328"></a><h4>Returns</h4>
<p>the absolute path to the specified file in the current user's
home directory. The caller is responsible for freeing the
returned string using <a href="https://developer.gnome.org/glib/unstable/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-get-homefile-r"></a><h3>xfce_get_homefile_r ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
xfce_get_homefile_r (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *buffer</code></em>,
<em class="parameter"><code><span class="type">size_t</span> length</code></em>,
<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<p>Similar in functionality to <a href="libxfce4util-Miscellaneous-Utilities.html#xfce-get-homefile" title="xfce_get_homefile()"><span class="type">xfce_get_homefile</span></a>, but uses a user
defined <em class="parameter"><code>buffer</code></em>
instead of allocating a new buffer.</p>
<p>xfce_get_homefile_r uses safe string operations, that says, it garanties
that the resulting string is always zero terminated, as long as the
<em class="parameter"><code>length</code></em>
is greater than zero.</p>
<div class="refsect3" lang="en">
<a name="idp395711600"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>buffer</p></td>
<td class="parameter_description"><p>pointer to a user provided destination buffer.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>length</p></td>
<td class="parameter_description"><p>size of <em class="parameter"><code>buffer</code></em>
in bytes.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>printf style format string.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3" lang="en">
<a name="idp450970608"></a><h4>Returns</h4>
<p> pointer to <em class="parameter"><code>buffer</code></em>
.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-get-userdir"></a><h3>xfce_get_userdir ()</h3>
<pre class="programlisting">const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
xfce_get_userdir (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Safe way to retrieve the path to the user's ".xfce4" directory. The path
to the current user's ".xfce4" directory is either taken from the
environment variable XFCE4HOME if defined, or if unset, is gained by
concatenating the path to the user's home directory and the ".xfce4".
That says, it will, by default, return the path "$HOME/.xfce4", where
$HOME is replaced with the absolute path to the user's home directory.</p>
<p>The returned string is managed by libxfce4util and must not be freed by
the caller.</p>
<div class="refsect3" lang="en">
<a name="idm1198966800"></a><h4>Returns</h4>
<p> the path to the current user's ".xfce4" directory.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-get-userfile"></a><h3>xfce_get_userfile()</h3>
<pre class="programlisting">#define xfce_get_userfile(...)</pre>
<p>
Returns the absolute path to a file within the user's ".xfce4" directory,
formed by a NULL terminated list of path components.
</p>
<div class="refsect3" lang="en">
<a name="idp1574292720"></a><h4>Returns</h4>
<p>the absolute path to the specified file in the user's ".xfce4"
directory. The caller is responsible for freeing the returned
string using <a href="https://developer.gnome.org/glib/unstable/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-get-userfile-r"></a><h3>xfce_get_userfile_r ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
xfce_get_userfile_r (<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *buffer</code></em>,
<em class="parameter"><code><span class="type">size_t</span> length</code></em>,
<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *format</code></em>,
<em class="parameter"><code>...</code></em>);</pre>
<div class="refsect3" lang="en">
<a name="idp1563154032"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>buffer</p></td>
<td class="parameter_description"><p>user provided destination buffer.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>length</p></td>
<td class="parameter_description"><p>size of <em class="parameter"><code>buffer</code></em>
in bytes.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>format</p></td>
<td class="parameter_description"><p>printf style format string.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3" lang="en">
<a name="idm1736138896"></a><h4>Returns</h4>
<p> pointer to <em class="parameter"><code>buffer</code></em>
.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-gethostname"></a><h3>xfce_gethostname ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
xfce_gethostname (<em class="parameter"><code><span class="type">void</span></code></em>);</pre>
<p>Portable way to query the hostname of the node running the process. This
function does not ever return <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, but always returns a string containing
the current node's hostname.</p>
<div class="refsect3" lang="en">
<a name="idp109144560"></a><h4>Returns</h4>
<p> the current node's hostname. The string has to be freed
by the caller using <a href="https://developer.gnome.org/glib/unstable/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>.</p>
<p></p>
</div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="xfce-expand-variables"></a><h3>xfce_expand_variables ()</h3>
<pre class="programlisting"><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="returnvalue">gchar</span></a> *
xfce_expand_variables (<em class="parameter"><code>const <a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> *command</code></em>,
<em class="parameter"><code><a href="https://developer.gnome.org/glib/unstable/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **envp</code></em>);</pre>
<p>Expands shell like environment variables and tilde (~/ and ~user/ are both supported)
in <em class="parameter"><code>command</code></em>
.</p>
<div class="refsect3" lang="en">
<a name="idp1790998512"></a><h4>Parameters</h4>
<div class="informaltable"><table width="100%" border="0">
<colgroup>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>command</p></td>
<td class="parameter_description"><p>Input string or <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>envp</p></td>
<td class="parameter_description"><p>Addition environment variables to take into account. These
variables have higher priority than the ones in the process's
environment.</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3" lang="en">
<a name="idp1049458160"></a><h4>Returns</h4>
<p> <a href="https://developer.gnome.org/glib/unstable/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> on error, else the string, which should be freed using
<a href="https://developer.gnome.org/glib/unstable/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a> when no longer needed.</p>
<p></p>
</div>
<p class="since">Since 4.2</p>
</div>
</div>
<div class="refsect1" lang="en">
<a name="libxfce4util-Miscellaneous-Utilities.other_details"></a><h2>Types and Values</h2>
</div>
</div>
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