glib-byte-order-macros.html

glid编写实例

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<a name="id2831491"></a><h3>
<a name="GINT64-FROM-LE:CAPS"></a>GINT64_FROM_LE()</h3>
<a class="indexterm" name="id2831501"></a><pre class="programlisting">#define GINT64_FROM_LE(val)	(GINT64_TO_LE (val))
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<p>
Converts a <a href="glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> value from little-endian to host byte order.
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> value in little-endian byte order.
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
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<em class="parameter"><code>val</code></em> converted to host byte order.


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<div class="refsect2" lang="en">
<a name="id2831567"></a><h3>
<a name="GINT64-TO-BE:CAPS"></a>GINT64_TO_BE()</h3>
<a class="indexterm" name="id2831578"></a><pre class="programlisting">#define GINT64_TO_BE(val)	((gint64) GUINT64_SWAP_LE_BE (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> value from host byte order to big-endian.
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> value in host byte order.
</td>
</tr>
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to big-endian.


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<div class="refsect2" lang="en">
<a name="id2831644"></a><h3>
<a name="GINT64-TO-LE:CAPS"></a>GINT64_TO_LE()</h3>
<a class="indexterm" name="id2831654"></a><pre class="programlisting">#define GINT64_TO_LE(val)	((gint64) (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> value from host byte order to little-endian.
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#gint64"><span class="type">gint64</span></a> value in host byte order.
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to little-endian.


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<div class="refsect2" lang="en">
<a name="id2831720"></a><h3>
<a name="GUINT64-FROM-BE:CAPS"></a>GUINT64_FROM_BE()</h3>
<a class="indexterm" name="id2831731"></a><pre class="programlisting">#define GUINT64_FROM_BE(val)	(GUINT64_TO_BE (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value from big-endian to host byte order.
</p>
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value in big-endian byte order.
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to host byte order.


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<div class="refsect2" lang="en">
<a name="id2831797"></a><h3>
<a name="GUINT64-FROM-LE:CAPS"></a>GUINT64_FROM_LE()</h3>
<a class="indexterm" name="id2831808"></a><pre class="programlisting">#define GUINT64_FROM_LE(val)	(GUINT64_TO_LE (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value from little-endian to host byte order.
</p>
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value in little-endian byte order.
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to host byte order.


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<div class="refsect2" lang="en">
<a name="id2831874"></a><h3>
<a name="GUINT64-TO-BE:CAPS"></a>GUINT64_TO_BE()</h3>
<a class="indexterm" name="id2831883"></a><pre class="programlisting">#define GUINT64_TO_BE(val)	(GUINT64_SWAP_LE_BE (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value from host byte order to big-endian.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value in host byte order.
</td>
</tr>
<tr>
<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to big-endian.


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<div class="refsect2" lang="en">
<a name="id2831949"></a><h3>
<a name="GUINT64-TO-LE:CAPS"></a>GUINT64_TO_LE()</h3>
<a class="indexterm" name="id2831959"></a><pre class="programlisting">#define GUINT64_TO_LE(val)	((guint64) (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value from host byte order to little-endian.
</p>
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value in host byte order.
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to little-endian.


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<div class="refsect2" lang="en">
<a name="id2832025"></a><h3>
<a name="GUINT16-SWAP-BE-PDP:CAPS"></a>GUINT16_SWAP_BE_PDP()</h3>
<a class="indexterm" name="id2832036"></a><pre class="programlisting">#define GUINT16_SWAP_BE_PDP(val)	(GUINT16_SWAP_LE_BE (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> value between big-endian and pdp-endian byte order.
The conversion is symmetric so it can be used both ways.
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> value in big-endian or pdp-endian byte order.
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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<div class="refsect2" lang="en">
<a name="id2832103"></a><h3>
<a name="GUINT16-SWAP-LE-BE:CAPS"></a>GUINT16_SWAP_LE_BE()</h3>
<a class="indexterm" name="id2832114"></a><pre class="programlisting">#define     GUINT16_SWAP_LE_BE(val)</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> value between little-endian and big-endian byte order.
The conversion is symmetric so it can be used both ways.
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> value in little-endian or big-endian byte order.
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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<div class="refsect2" lang="en">
<a name="id2832181"></a><h3>
<a name="GUINT16-SWAP-LE-PDP:CAPS"></a>GUINT16_SWAP_LE_PDP()</h3>
<a class="indexterm" name="id2832192"></a><pre class="programlisting">#define GUINT16_SWAP_LE_PDP(val)	((guint16) (val))
</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> value between little-endian and pdp-endian byte order.
The conversion is symmetric so it can be used both ways.
</p>
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint16"><span class="type">guint16</span></a> value in little-endian or pdp-endian byte order.
</td>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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<div class="refsect2" lang="en">
<a name="id2832259"></a><h3>
<a name="GUINT32-SWAP-BE-PDP:CAPS"></a>GUINT32_SWAP_BE_PDP()</h3>
<a class="indexterm" name="id2832270"></a><pre class="programlisting">#define     GUINT32_SWAP_BE_PDP(val)</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> value between big-endian and pdp-endian byte order.
The conversion is symmetric so it can be used both ways.
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> value in big-endian or pdp-endian byte order.
</td>
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<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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<div class="refsect2" lang="en">
<a name="id2832337"></a><h3>
<a name="GUINT32-SWAP-LE-BE:CAPS"></a>GUINT32_SWAP_LE_BE()</h3>
<a class="indexterm" name="id2832348"></a><pre class="programlisting">#define     GUINT32_SWAP_LE_BE(val)</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> value between little-endian and big-endian byte order.
The conversion is symmetric so it can be used both ways.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> value in little-endian or big-endian byte order.
</td>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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<div class="refsect2" lang="en">
<a name="id2832415"></a><h3>
<a name="GUINT32-SWAP-LE-PDP:CAPS"></a>GUINT32_SWAP_LE_PDP()</h3>
<a class="indexterm" name="id2832426"></a><pre class="programlisting">#define     GUINT32_SWAP_LE_PDP(val)</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> value between little-endian and pdp-endian byte order.
The conversion is symmetric so it can be used both ways.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
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<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint32"><span class="type">guint32</span></a> value in little-endian or pdp-endian byte order.
</td>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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<div class="refsect2" lang="en">
<a name="id2832493"></a><h3>
<a name="GUINT64-SWAP-LE-BE:CAPS"></a>GUINT64_SWAP_LE_BE()</h3>
<a class="indexterm" name="id2832504"></a><pre class="programlisting">#define     GUINT64_SWAP_LE_BE(val)</pre>
<p>
Converts a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value between little-endian and big-endian byte order.
The conversion is symmetric so it can be used both ways.
</p>
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<col align="left" valign="top">
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<td>
<span class="term"><em class="parameter"><code>val</code></em>&#160;:</span></td>
<td>a <a href="glib-Basic-Types.html#guint64"><span class="type">guint64</span></a> value in little-endian or big-endian byte order.
</td>
</tr>
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<td>
<span class="term"><span class="emphasis"><em>Returns</em></span>&#160;:</span></td>
<td>
<em class="parameter"><code>val</code></em> converted to the opposite byte order.


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