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<title>CattleBuffer: Cattle Reference Manual</title>
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<a name="CattleBuffer"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="CattleBuffer.top_of_page"></a>CattleBuffer</span></h2>
<p>CattleBuffer — Memory buffer</p>
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<div class="refsect1">
<a name="CattleBuffer.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="functions_return">
<col class="functions_name">
</colgroup>
<tbody>
<tr>
<td class="function_type">
<a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="returnvalue">CattleBuffer</span></a> *
</td>
<td class="function_name">
<a class="link" href="CattleBuffer.html#cattle-buffer-new" title="cattle_buffer_new ()">cattle_buffer_new</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="CattleBuffer.html#cattle-buffer-set-contents" title="cattle_buffer_set_contents ()">cattle_buffer_set_contents</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="CattleBuffer.html#cattle-buffer-set-contents-full" title="cattle_buffer_set_contents_full ()">cattle_buffer_set_contents_full</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<span class="returnvalue">void</span>
</td>
<td class="function_name">
<a class="link" href="CattleBuffer.html#cattle-buffer-set-value" title="cattle_buffer_set_value ()">cattle_buffer_set_value</a> <span class="c_punctuation">()</span>
</td>
</tr>
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<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"><span class="returnvalue">gint8</span></a>
</td>
<td class="function_name">
<a class="link" href="CattleBuffer.html#cattle-buffer-get-value" title="cattle_buffer_get_value ()">cattle_buffer_get_value</a> <span class="c_punctuation">()</span>
</td>
</tr>
<tr>
<td class="function_type">
<a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="returnvalue">gulong</span></a>
</td>
<td class="function_name">
<a class="link" href="CattleBuffer.html#cattle-buffer-get-size" title="cattle_buffer_get_size ()">cattle_buffer_get_size</a> <span class="c_punctuation">()</span>
</td>
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</table></div>
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<div class="refsect1">
<a name="CattleBuffer.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody><tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="type">gulong</span></a></td>
<td class="property_name"><a class="link" href="CattleBuffer.html#CattleBuffer--size" title="The “size” property">size</a></td>
<td class="property_flags">Read / Write / Construct Only</td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="CattleBuffer.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="CattleBuffer.html#CattleBuffer-struct" title="struct CattleBuffer">CattleBuffer</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="CattleBuffer.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen"> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
<span class="lineart">╰──</span> CattleBuffer
</pre>
</div>
<div class="refsect1">
<a name="CattleBuffer.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include <cattle/cattle.h>
</pre>
</div>
<div class="refsect1">
<a name="CattleBuffer.description"></a><h2>Description</h2>
<p>A <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a> represents a memory buffer.</p>
</div>
<div class="refsect1">
<a name="CattleBuffer.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="cattle-buffer-new"></a><h3>cattle_buffer_new ()</h3>
<pre class="programlisting"><a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="returnvalue">CattleBuffer</span></a> *
cattle_buffer_new (<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> size</code></em>);</pre>
<p>Create and initialize a new memory buffer.</p>
<div class="refsect3">
<a name="cattle-buffer-new.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>size</p></td>
<td class="parameter_description"><p>size of the buffer</p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="cattle-buffer-new.returns"></a><h4>Returns</h4>
<p> a new <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a>. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-buffer-set-contents"></a><h3>cattle_buffer_set_contents ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
cattle_buffer_set_contents (<em class="parameter"><code><a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> *contents</code></em>);</pre>
<p>Set the contents of a memory buffer.</p>
<p>The size of <em class="parameter"><code>contents</code></em>
is assumed to be the same as the size of <em class="parameter"><code>buffer</code></em>
.</p>
<p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p>
<div class="refsect3">
<a name="cattle-buffer-set-contents.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>buffer</p></td>
<td class="parameter_description"><p>a <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>contents</p></td>
<td class="parameter_description"><p> data to copy inside the memory buffer. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-buffer-set-contents-full"></a><h3>cattle_buffer_set_contents_full ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
cattle_buffer_set_contents_full (<em class="parameter"><code><a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> *contents</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> size</code></em>);</pre>
<p>Set the contents of the memory buffer.</p>
<p>This method exists mainly for bindings; <a class="link" href="CattleBuffer.html#cattle-buffer-set-contents" title="cattle_buffer_set_contents ()"><code class="function">cattle_buffer_set_contents()</code></a> is
more convenient when writing C code.</p>
<p><span class="annotation">[<acronym title="Rename the original symbol's name to SYMBOL."><span class="acronym">rename-to</span></acronym> cattle_buffer_set_contents]</span></p>
<div class="refsect3">
<a name="cattle-buffer-set-contents-full.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>buffer</p></td>
<td class="parameter_description"><p>a <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>contents</p></td>
<td class="parameter_description"><p> data to copy inside the memory buffer. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=size]</span></td>
</tr>
<tr>
<td class="parameter_name"><p>size</p></td>
<td class="parameter_description"><p>size of <em class="parameter"><code>contents</code></em>
</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-buffer-set-value"></a><h3>cattle_buffer_set_value ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>
cattle_buffer_set_value (<em class="parameter"><code><a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> position</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"><span class="type">gint8</span></a> value</code></em>);</pre>
<p>Set the value of a specific byte inside the memory buffer.</p>
<p>The value of <em class="parameter"><code>position</code></em>
must be smaller than the size of the
memory buffer, as returned by <a class="link" href="CattleBuffer.html#cattle-buffer-get-size" title="cattle_buffer_get_size ()"><code class="function">cattle_buffer_get_size()</code></a>.</p>
<div class="refsect3">
<a name="cattle-buffer-set-value.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>buffer</p></td>
<td class="parameter_description"><p>a <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>position</p></td>
<td class="parameter_description"><p>offset inside the memory buffer</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>value</p></td>
<td class="parameter_description"><p>new value</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-buffer-get-value"></a><h3>cattle_buffer_get_value ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint8"><span class="returnvalue">gint8</span></a>
cattle_buffer_get_value (<em class="parameter"><code><a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a> *buffer</code></em>,
<em class="parameter"><code><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="type">gulong</span></a> position</code></em>);</pre>
<p>Get the value of a specific byte inside the memory buffer.</p>
<p>The value of <em class="parameter"><code>position</code></em>
must be smaller than the size of the
memory buffer, as returned by <a class="link" href="CattleBuffer.html#cattle-buffer-get-size" title="cattle_buffer_get_size ()"><code class="function">cattle_buffer_get_size()</code></a>.</p>
<div class="refsect3">
<a name="cattle-buffer-get-value.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>buffer</p></td>
<td class="parameter_description"><p>a <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>position</p></td>
<td class="parameter_description"><p>offset inside the memory buffer</p></td>
<td class="parameter_annotations"> </td>
</tr>
</tbody>
</table></div>
</div>
<div class="refsect3">
<a name="cattle-buffer-get-value.returns"></a><h4>Returns</h4>
<p> the value of the selected byte.</p>
</div>
</div>
<hr>
<div class="refsect2">
<a name="cattle-buffer-get-size"></a><h3>cattle_buffer_get_size ()</h3>
<pre class="programlisting"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="returnvalue">gulong</span></a>
cattle_buffer_get_size (<em class="parameter"><code><a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a> *buffer</code></em>);</pre>
<p>Get the size of the memory buffer.</p>
<div class="refsect3">
<a name="cattle-buffer-get-size.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>buffer</p></td>
<td class="parameter_description"><p>a <a class="link" href="CattleBuffer.html" title="CattleBuffer"><span class="type">CattleBuffer</span></a></p></td>
<td class="parameter_annotations"> </td>
</tr></tbody>
</table></div>
</div>
<div class="refsect3">
<a name="cattle-buffer-get-size.returns"></a><h4>Returns</h4>
<p> the size of the memory buffer</p>
</div>
</div>
</div>
<div class="refsect1">
<a name="CattleBuffer.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="CattleBuffer-struct"></a><h3>struct CattleBuffer</h3>
<pre class="programlisting">struct CattleBuffer;</pre>
<p>Opaque data structure representing a memory buffer. It should never
be accessed directly; use the methods below instead.</p>
</div>
</div>
<div class="refsect1">
<a name="CattleBuffer.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="CattleBuffer--size"></a><h3>The <code class="literal">“size”</code> property</h3>
<pre class="programlisting"> “size” <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gulong"><span class="type">gulong</span></a></pre>
<p>Size of the memory buffer.</p>
<p>Flags: Read / Write / Construct Only</p>
</div>
</div>
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