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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>GIO Extensions: libxfce4util Reference Manual</title>
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<a href="#libxfce4util-GIO-Extensions.description" class="shortcut">Description</a></span>
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<a name="libxfce4util-GIO-Extensions"></a><div class="titlepage"></div>
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<td valign="top">
<h2><span class="refentrytitle"><a name="libxfce4util-GIO-Extensions.top_of_page"></a>GIO Extensions</span></h2>
<p>GIO Extensions — various extensions to GIO</p>
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</tr></table></div>
<div class="refsect1">
<a name="libxfce4util-GIO-Extensions.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_proto_type">
<col class="functions_proto_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libxfce4util-GIO-Extensions.html#xfce-g-file-metadata-is-supported" title="xfce_g_file_metadata_is_supported ()">xfce_g_file_metadata_is_supported</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gchar</span> *
</td>
<td class="function_name">
<a class="link" href="libxfce4util-GIO-Extensions.html#xfce-g-file-create-checksum" title="xfce_g_file_create_checksum ()">xfce_g_file_create_checksum</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libxfce4util-GIO-Extensions.html#xfce-g-file-set-trusted" title="xfce_g_file_set_trusted ()">xfce_g_file_set_trusted</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">gboolean</span>
</td>
<td class="function_name">
<a class="link" href="libxfce4util-GIO-Extensions.html#xfce-g-file-is-trusted" title="xfce_g_file_is_trusted ()">xfce_g_file_is_trusted</a> <span class="c_punctuation">()</span>
</td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect1">
<a name="libxfce4util-GIO-Extensions.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <libxfce4util/libxfce4util.h>
</pre>
</div>
<div class="refsect1">
<a name="libxfce4util-GIO-Extensions.description"></a><h2>Description</h2>
<p>Common used functions for I/O that are not provided by the Glib library</p>
</div>
<div class="refsect1">
<a name="libxfce4util-GIO-Extensions.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="xfce-g-file-metadata-is-supported"></a><h3>xfce_g_file_metadata_is_supported ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
xfce_g_file_metadata_is_supported (<em class="parameter"><code><span class="type">GFile</span> *file</code></em>);</pre>
<p>Checks if GVFS-metadata is available for
the <em class="parameter"><code>file</code></em>
provided.</p>
<div class="refsect3">
<a name="xfce-g-file-metadata-is-supported.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody><tr>
<td class="parameter_name"><p>file</p></td>
<td class="parameter_description"><p>a <span class="type">GFile</span>.</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xfce-g-file-metadata-is-supported.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> is GVFS-metadata is supported, <code class="literal">FALSE</code> otherwise.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-4-17.html#api-index-4.17">4.17</a></p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-g-file-create-checksum"></a><h3>xfce_g_file_create_checksum ()</h3>
<pre class="programlisting"><span class="returnvalue">gchar</span> *
xfce_g_file_create_checksum (<em class="parameter"><code><span class="type">GFile</span> *file</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Generates an SHA-256 hash of the <em class="parameter"><code>file</code></em>
.</p>
<div class="refsect3">
<a name="xfce-g-file-create-checksum.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>file</p></td>
<td class="parameter_description"><p>a <span class="type">GFile</span>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <span class="type">GCancellable</span> object, <code class="literal">NULL</code> to ignore. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xfce-g-file-create-checksum.returns"></a><h4>Returns</h4>
<p>Checksum of the <em class="parameter"><code>file</code></em>
.
If file read fails, returns <code class="literal">NULL</code>. Free with <code class="function">g_free()</code>. </p>
<p><span class="annotation">[<acronym title="The caller owns the data, and is responsible for free it."><span class="acronym">transfer full</span></acronym>][<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-4-17.html#api-index-4.17">4.17</a></p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-g-file-set-trusted"></a><h3>xfce_g_file_set_trusted ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
xfce_g_file_set_trusted (<em class="parameter"><code><span class="type">GFile</span> *file</code></em>,
<em class="parameter"><code><span class="type">gboolean</span> is_trusted</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Sets the "safety flag" on if <em class="parameter"><code>is_trusted</code></em>
.</p>
<p>Safety flag is a new concept introduced in
XFCE 4.17. It is basically an additional
execution flag stored in GVFS-metadata.
Unlike the execution flag (+x), it is safe
to assume that this flag did not come from
foreign location (for example, by downloading
an tar archive) and is set by user.</p>
<p>The checksum of the file is stored, and
would be considered "on" only if checksum
matches with the file on execution.</p>
<div class="refsect3">
<a name="xfce-g-file-set-trusted.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>file</p></td>
<td class="parameter_description"><p>a <span class="type">GFile</span>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>is_trusted</p></td>
<td class="parameter_description"><p><span class="type">TRUE</span> if trusted, <span class="type">FALSE</span> if not</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <span class="type">GCancellable</span> object, <code class="literal">NULL</code> to ignore. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xfce-g-file-set-trusted.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> on success, <code class="literal">FALSE</code> on error.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-4-17.html#api-index-4.17">4.17</a></p>
</div>
<hr>
<div class="refsect2">
<a name="xfce-g-file-is-trusted"></a><h3>xfce_g_file_is_trusted ()</h3>
<pre class="programlisting"><span class="returnvalue">gboolean</span>
xfce_g_file_is_trusted (<em class="parameter"><code><span class="type">GFile</span> *file</code></em>,
<em class="parameter"><code><span class="type">GCancellable</span> *cancellable</code></em>,
<em class="parameter"><code><span class="type">GError</span> **error</code></em>);</pre>
<p>Compares the checksum stored in safety flag
with the actual file. If it matches, it
is considered safe.</p>
<p>Read the documentation of
<a class="link" href="libxfce4util-GIO-Extensions.html#xfce-g-file-set-trusted" title="xfce_g_file_set_trusted ()"><code class="function">xfce_g_file_set_trusted()</code></a> for details.</p>
<div class="refsect3">
<a name="xfce-g-file-is-trusted.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
</colgroup>
<tbody>
<tr>
<td class="parameter_name"><p>file</p></td>
<td class="parameter_description"><p>a <span class="type">GFile</span>.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>cancellable</p></td>
<td class="parameter_description"><p>optional <span class="type">GCancellable</span> object, <code class="literal">NULL</code> to ignore. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>error</p></td>
<td class="parameter_description"><p>a <span class="type">GError</span>. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="xfce-g-file-is-trusted.returns"></a><h4>Returns</h4>
<p> <code class="literal">TRUE</code> if safety flag is verified
or not supported. <code class="literal">FALSE</code> otherwise.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-4-17.html#api-index-4.17">4.17</a></p>
</div>
</div>
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