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<a href="#id387478" class="shortcut">Description</a></nobr></td></tr>
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<div class="refentry" lang="en">
<a name="gnet-base64"></a><div class="titlepage"></div>
<div class="refnamediv"><table width="100%"><tr>
<td valign="top">
<h2>
<a name="id387042"></a><span class="refentrytitle">Base64</span>
</h2>
<p>Base64 — Base64 encoding and decoding</p>
</td>
<td valign="top" align="right"></td>
</tr></table></div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<pre class="synopsis">
#include <gnet.h>
gchar* <a href="gnet-base64.html#gnet-base64-encode">gnet_base64_encode</a> (const gchar *src,
gint srclen,
gint *dstlenp,
gboolean strict);
gchar* <a href="gnet-base64.html#gnet-base64-decode">gnet_base64_decode</a> (const gchar *src,
gint srclen,
gint *dstlenp);
</pre>
</div>
<div class="refsect1" lang="en">
<a name="id387478"></a><h2>Description</h2>
<p>
</p>
<div class="informalexample"><pre class="programlisting">
gchar* binary_stream = "Hello World!";
gchar* base64_stream;
gint base64_len;
gchar* newbin_stream;
gint newbin_len;
base64_stream = gnet_base64_encode(binary_stream,strlen(binary_stream), &base64_len, FALSE);
newbin_stream = gnet_base64_decode(base64_stream, base64_len, &newbin_len);
</pre></div>
<p>
</p>
<p>
This module provides functions to encode and decode strings into the
Base64 encoding specified in "RFC 2045 - MIME (Multipurpose Internet
Mail Extensions)". The Base64 encoding is designed to represent
arbitrary sequences of octets in a form that need not be humanly
readable. A 65-character subset ([A-Za-z0-9+/=]) of US-ASCII is used,
enabling 6 bits to be represented per printable character.
</p>
</div>
<div class="refsect1" lang="en">
<a name="id387511"></a><h2>Details</h2>
<div class="refsect2" lang="en">
<a name="id387521"></a><h3>
<a name="gnet-base64-encode"></a>gnet_base64_encode ()</h3>
<a class="indexterm" name="id387534"></a><pre class="programlisting">gchar* gnet_base64_encode (const gchar *src,
gint srclen,
gint *dstlenp,
gboolean strict);</pre>
<p>
Convert a buffer from binary to base64 representation. Set
<em class="parameter"><code>strict</code></em> to TRUE to insert a newline every 72th character. This is
required by RFC 2045, but some applications don't require this.
</p>
<p>
If <em class="parameter"><code>srclen</code></em> is 0, an empty string will be returned (not NULL).</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>src</code></em> :</span></td>
<td> source buffer
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>srclen</code></em> :</span></td>
<td> length of the source buffer
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>dstlenp</code></em> :</span></td>
<td> length of the buffer returned (including the terminating \0)
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>strict</code></em> :</span></td>
<td> insert new lines as required by RFC 2045
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td> a newly-allocated and NUL-terminated string containing the
input data in base64 coding. Free with <code class="function">g_free()</code> when no longer needed.
</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2" lang="en">
<a name="id387685"></a><h3>
<a name="gnet-base64-decode"></a>gnet_base64_decode ()</h3>
<a class="indexterm" name="id387698"></a><pre class="programlisting">gchar* gnet_base64_decode (const gchar *src,
gint srclen,
gint *dstlenp);</pre>
<p>
Convert a buffer from base64 to binary representation. This
function is liberal in what it will accept. It ignores non-base64
symbols.</p>
<p>
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><span class="term"><em class="parameter"><code>src</code></em> :</span></td>
<td> the source buffer
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>srclen</code></em> :</span></td>
<td> the length of the source buffer, or -1 for strlen(<em class="parameter"><code>src</code></em>).
</td>
</tr>
<tr>
<td><span class="term"><em class="parameter"><code>dstlenp</code></em> :</span></td>
<td> where to return the length of the returned output buffer
</td>
</tr>
<tr>
<td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td>
<td> newly-allocated buffer. Free with <code class="function">g_free()</code> when no longer
needed. The integer pointed to by <em class="parameter"><code>dstlenp</code></em> is set to the length of
that buffer.
</td>
</tr>
</tbody>
</table></div>
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