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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"><title>GBufferedOutputStream</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2"><link rel="start" href="index.html" title="GIO Reference Manual"><link rel="up" href="streaming.html" title="Streaming I/O"><link rel="prev" href="GBufferedInputStream.html" title="GBufferedInputStream"><link rel="next" href="GDataInputStream.html" title="GDataInputStream"><meta name="generator" content="GTK-Doc V1.9 (XML mode)"><link rel="stylesheet" href="style.css" type="text/css"><link rel="part" href="pt01.html" title="Part I. GIO Overview"><link rel="chapter" href="ch01.html" title="Introduction"><link rel="chapter" href="ch02.html" title="Compiling GIO applications"><link rel="chapter" href="ch03.html" title="Running GIO applications"><link rel="chapter" href="gio-extension-points.html" title="Extending GIO"><link rel="part" 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text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="GBufferedInputStream.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td><td><a accesskey="u" href="streaming.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td><th width="100%" align="center">GIO Reference Manual</th><td><a accesskey="n" href="GDataInputStream.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td></tr><tr><td colspan="5" class="shortcuts"><nobr><a href="#id3120862" class="shortcut">Top</a>  |  <a href="#id3196370" class="shortcut">Description</a>  |  <a href="#id3196291" class="shortcut">Object Hierarchy</a>  |  <a href="#id3196328" class="shortcut">Properties</a></nobr></td></tr></table><div class="refentry" lang="en"><a name="GBufferedOutputStream"></a><div class="titlepage"></div><div class="refnamediv"><table width="100%"><tr><td valign="top"><h2><a name="id3120862"></a><span class="refentrytitle">GBufferedOutputStream</span></h2><p>GBufferedOutputStream — Buffered Output Stream</p></td><td valign="top" align="right"></td></tr></table></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">#include <gio/gio.h> <a class="link" href="GBufferedOutputStream.html#GBufferedOutputStream-struct">GBufferedOutputStream</a>;<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a>* <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-new">g_buffered_output_stream_new</a> (<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> *base_stream);<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a>* <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-new-sized">g_buffered_output_stream_new_sized</a> (<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> *base_stream, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize">gsize</a> size);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize">gsize</a> <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-get-buffer-size">g_buffered_output_stream_get_buffer_size</a> (<a class="link" href="GBufferedOutputStream.html" title="GBufferedOutputStream">GBufferedOutputStream</a> *stream);void <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-set-buffer-size">g_buffered_output_stream_set_buffer_size</a> (<a class="link" href="GBufferedOutputStream.html" title="GBufferedOutputStream">GBufferedOutputStream</a> *stream, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize">gsize</a> size);<ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-get-auto-grow">g_buffered_output_stream_get_auto_grow</a> (<a class="link" href="GBufferedOutputStream.html" title="GBufferedOutputStream">GBufferedOutputStream</a> *stream);void <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-set-auto-grow">g_buffered_output_stream_set_auto_grow</a> (<a class="link" href="GBufferedOutputStream.html" title="GBufferedOutputStream">GBufferedOutputStream</a> *stream, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> auto_grow);</pre></div><div class="refsect1" lang="en"><a name="id3196291"></a><h2>Object Hierarchy</h2><pre class="synopsis"> <ahref="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a> +----<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> +----<a class="link" href="GFilterOutputStream.html" title="GFilterOutputStream">GFilterOutputStream</a> +----GBufferedOutputStream</pre></div><div class="refsect1" lang="en"><a name="id3196328"></a><h2>Properties</h2><pre class="synopsis"> "<a class="link" href="GBufferedOutputStream.html#GBufferedOutputStream--auto-grow">auto-grow</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gboolean">gboolean</a> : Read / Write "<a class="link" href="GBufferedOutputStream.html#GBufferedOutputStream--buffer-size">buffer-size</a>" <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#guint">guint</a> : Read / Write / Construct</pre></div><div class="refsect1" lang="en"><a name="id3196370"></a><h2>Description</h2><p>Buffered output stream implements <a class="link" href="GFilterOutputStream.html" title="GFilterOutputStream"><span class="type">GFilterOutputStream</span></a> and provides for buffered writes. </p><p>By default, <a class="link" href="GBufferedOutputStream.html" title="GBufferedOutputStream"><span class="type">GBufferedOutputStream</span></a>'s buffer size is set at 4 kilobytes.</p><p>To create a buffered output stream, use <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-new"><code class="function">g_buffered_output_stream_new()</code></a>, or <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-new-sized"><code class="function">g_buffered_output_stream_new_sized()</code></a> to specify the buffer's size at construction.</p><p>To get the size of a buffer within a buffered input stream, use <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-get-buffer-size"><code class="function">g_buffered_output_stream_get_buffer_size()</code></a>. To change the size of a buffered output stream's buffer, use <a class="link" href="GBufferedOutputStream.html#g-buffered-output-stream-set-buffer-size"><code class="function">g_buffered_output_stream_set_buffer_size()</code></a>. Note that the buffer's size cannot be reduced below the size of the data within the buffer.</p><p></p></div><div class="refsect1" lang="en"><a name="id3196459"></a><h2>Details</h2><div class="refsect2" lang="en"><a name="id3196470"></a><h3><a name="GBufferedOutputStream-struct"></a>GBufferedOutputStream</h3><a class="indexterm" name="id3196481"></a><pre class="programlisting">typedef struct _GBufferedOutputStream GBufferedOutputStream;</pre><p>An implementation of <a class="link" href="GFilterOutputStream.html" title="GFilterOutputStream"><span class="type">GFilterOutputStream</span></a> with a sized buffer.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id3196513"></a><h3><a name="g-buffered-output-stream-new"></a>g_buffered_output_stream_new ()</h3><a class="indexterm" name="id3196525"></a><pre class="programlisting"><a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a>* g_buffered_output_stream_new (<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> *base_stream);</pre><p>Creates a new buffered output stream for a base stream.</p><p></p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><p><span class="term"><em class="parameter"><code>base_stream</code></em> :</span></p></td><td> a <a class="link" href="GOutputStream.html" title="GOutputStream"><span class="type">GOutputStream</span></a>.</td></tr><tr><td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td><td> a <a class="link" href="GOutputStream.html" title="GOutputStream"><span class="type">GOutputStream</span></a> for the given <em class="parameter"><code>base_stream</code></em>.</td></tr></tbody></table></div></div><hr><div class="refsect2" lang="en"><a name="id3196608"></a><h3><a name="g-buffered-output-stream-new-sized"></a>g_buffered_output_stream_new_sized ()</h3><a class="indexterm" name="id3196622"></a><pre class="programlisting"><a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a>* g_buffered_output_stream_new_sized (<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> *base_stream, <ahref="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gsize">gsize</a> size);</pre><p>⌨️ 快捷键说明
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