~ubuntu-branches/debian/sid/glib2.0/sid

<a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> (<a class="link" href="GMemoryOutputStream.html#GReallocFunc" title="GReallocFunc ()">*GReallocFunc</a>) (<code><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

<code><a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> size</code>);

<a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> (<a class="link" href="GMemoryOutputStream.html#GReallocFunc" title="GReallocFunc ()">*GReallocFunc</a>) (<code><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

<code><a href="../glib/glib-Basic-Types.html#gsize">gsize</a> size</code>);

<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream-struct" title="GMemoryOutputStream">GMemoryOutputStream</a>;

<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> * <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-new" title="g_memory_output_stream_new ()">g_memory_output_stream_new</a> (<code><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

<code><a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> size</code>,

<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> * <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-new" title="g_memory_output_stream_new ()">g_memory_output_stream_new</a> (<code><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

<code><a href="../glib/glib-Basic-Types.html#gsize">gsize</a> size</code>,

<code><a class="link" href="GMemoryOutputStream.html#GReallocFunc" title="GReallocFunc ()">GReallocFunc</a> realloc_function</code>,

<code><a href="./../glib/glib/glib-Datasets.html#GDestroyNotify">GDestroyNotify</a> destroy_function</code>);

<a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-get-data" title="g_memory_output_stream_get_data ()">g_memory_output_stream_get_data</a> (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

<a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-get-size" title="g_memory_output_stream_get_size ()">g_memory_output_stream_get_size</a> (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

(<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

<a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-steal-data" title="g_memory_output_stream_steal_data ()">g_memory_output_stream_steal_data</a> (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

<code><a href="../glib/glib-Datasets.html#GDestroyNotify">GDestroyNotify</a> destroy_function</code>);

<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> * <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-new-resizable" title="g_memory_output_stream_new_resizable ()">g_memory_output_stream_new_resizable</a>

(<code>void</code>);

<a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-get-data" title="g_memory_output_stream_get_data ()">g_memory_output_stream_get_data</a> (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

<a href="../glib/glib-Basic-Types.html#gsize">gsize</a> <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-get-size" title="g_memory_output_stream_get_size ()">g_memory_output_stream_get_size</a> (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

(<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

<a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-steal-data" title="g_memory_output_stream_steal_data ()">g_memory_output_stream_steal_data</a> (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

<a href="../glib/glib-Byte-Arrays.html#GBytes">GBytes</a> * <a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-steal-as-bytes" title="g_memory_output_stream_steal_as_bytes ()">g_memory_output_stream_steal_as_bytes</a>

(<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);

</pre>

</div>

<a name="GMemoryOutputStream.object-hierarchy"></a><h2>Object Hierarchy</h2>

<a href="./../gobject/gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>

<a href="../gobject/gobject-The-Base-Object-Type.html#GObject">GObject</a>

+----<a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a>

+----GMemoryOutputStream

</pre>

<a name="GMemoryOutputStream.implemented-interfaces"></a><h2>Implemented Interfaces</h2>

GMemoryOutputStream implements

<a class="link" href="GSeekable.html" title="GSeekable">GSeekable</a>.

<a class="link" href="GSeekable.html" title="GSeekable">GSeekable</a> and <a class="link" href="GPollableOutputStream.html" title="GPollableOutputStream">GPollableOutputStream</a>.

</div>

<a name="GMemoryOutputStream.properties"></a><h2>Properties</h2>

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--data" title='The "data" property'>data</a>" <a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--data-size" title='The "data-size" property'>data-size</a>" <a href="./../glib/glib/glib-Basic-Types.html#gulong">gulong</a> : Read

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--destroy-function" title='The "destroy-function" property'>destroy-function</a>" <a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--realloc-function" title='The "realloc-function" property'>realloc-function</a>" <a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--size" title='The "size" property'>size</a>" <a href="./../glib/glib/glib-Basic-Types.html#gulong">gulong</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--data" title='The "data" property'>data</a>" <a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--data-size" title='The "data-size" property'>data-size</a>" <a href="../glib/glib-Basic-Types.html#gulong">gulong</a> : Read

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--destroy-function" title='The "destroy-function" property'>destroy-function</a>" <a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--realloc-function" title='The "realloc-function" property'>realloc-function</a>" <a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only

"<a class="link" href="GMemoryOutputStream.html#GMemoryOutputStream--size" title='The "size" property'>size</a>" <a href="../glib/glib-Basic-Types.html#gulong">gulong</a> : Read / Write / Construct Only

</pre>

</div>

<a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> is a class for using arbitrary

memory chunks as output for GIO streaming output operations.

As of GLib 2.34, <a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> implements

<a class="link" href="GPollableOutputStream.html" title="GPollableOutputStream">GPollableOutputStream</a>.

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</div>

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<a name="GMemoryOutputStream.details"></a><h2>Details</h2>

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<a name="GReallocFunc"></a><h3>GReallocFunc ()</h3>

<pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> (*GReallocFunc) (<code><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

<code><a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> size</code>);</pre>

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<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> (*GReallocFunc) (<code><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

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<code><a href="../glib/glib-Basic-Types.html#gsize">gsize</a> size</code>);</pre>

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Changes the size of the memory block pointed to by <code>data</code> to

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<code>size</code> bytes.

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<hr>

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<a name="g-memory-output-stream-new"></a><h3>g_memory_output_stream_new ()</h3>

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<pre class="programlisting"><a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> * g_memory_output_stream_new (<code><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

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<code><a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> size</code>,

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<pre class="programlisting"><a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> * g_memory_output_stream_new (<code><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> data</code>,

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<code><a href="../glib/glib-Basic-Types.html#gsize">gsize</a> size</code>,

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<code><a class="link" href="GMemoryOutputStream.html#GReallocFunc" title="GReallocFunc ()">GReallocFunc</a> realloc_function</code>,

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<code><a href="./../glib/glib/glib-Datasets.html#GDestroyNotify">GDestroyNotify</a> destroy_function</code>);</pre>

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<code><a href="../glib/glib-Datasets.html#GDestroyNotify">GDestroyNotify</a> destroy_function</code>);</pre>

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Creates a new <a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a>.

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If <code>data</code> is non-<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the stream will use that for its internal storage.

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If <code>realloc_fn</code> is non-<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, it will be used for resizing the internal

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If <code>data</code> is non-<a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, the stream will use that for its internal storage.

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If <code>realloc_fn</code> is non-<a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>, it will be used for resizing the internal

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storage when necessary. To construct a fixed-size output stream,

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pass <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> as <code>realloc_fn</code>.

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pass <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> as <code>realloc_fn</code>.

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9</pre></td>

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<td class="listing_code"><pre class="programlisting">/* a stream that can grow */

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stream = <a href="GMemoryOutputStream.html#g-memory-output-stream-new">g_memory_output_stream_new</a> (<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, 0, realloc, free);

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stream = <a href="GMemoryOutputStream.html#g-memory-output-stream-new">g_memory_output_stream_new</a> (<a href="../glib/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, 0, realloc, free);

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/* another stream that can grow */

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stream2 = <a href="GMemoryOutputStream.html#g-memory-output-stream-new">g_memory_output_stream_new</a> (<a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, 0, <a href="./../glib/glib/glib-Memory-Allocation.html#g-realloc">g_realloc</a>, <a href="./../glib/glib/glib-Memory-Allocation.html#g-free">g_free</a>);

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stream2 = <a href="GMemoryOutputStream.html#g-memory-output-stream-new">g_memory_output_stream_new</a> (<a href="../glib/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, 0, <a href="../glib/glib-Memory-Allocation.html#g-realloc">g_realloc</a>, <a href="../glib/glib-Memory-Allocation.html#g-free">g_free</a>);

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/* a fixed-size stream */

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data = malloc (200);

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stream3 = <a href="GMemoryOutputStream.html#g-memory-output-stream-new">g_memory_output_stream_new</a> (data, 200, <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, free);</pre></td>

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stream3 = <a href="GMemoryOutputStream.html#g-memory-output-stream-new">g_memory_output_stream_new</a> (data, 200, <a href="../glib/glib-Standard-Macros.html#NULL:CAPS">NULL</a>, free);</pre></td>

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</tr>

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</tbody>

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</table>

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<tbody>

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<tr>

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<td>pointer to a chunk of memory to use, or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. [<acronym title="NULL is ok, both for passing and for returning.">allow-none</acronym>]

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<td>pointer to a chunk of memory to use, or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. [<acronym title="NULL is ok, both for passing and for returning.">allow-none</acronym>]

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</td>

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</tr>

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<tr>

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</tr>

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<tr>

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<td><code>realloc_function</code> :</td>

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<td>a function with <code class="function">realloc()</code> semantics (like <a href="./../glib/glib/glib-Memory-Allocation.html#g-realloc"><code class="function">g_realloc()</code></a>)

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to be called when <code>data</code> needs to be grown, or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. [<acronym title="NULL is ok, both for passing and for returning.">allow-none</acronym>]

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<td>a function with <code class="function">realloc()</code> semantics (like <a href="../glib/glib-Memory-Allocation.html#g-realloc"><code class="function">g_realloc()</code></a>)

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to be called when <code>data</code> needs to be grown, or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. [<acronym title="NULL is ok, both for passing and for returning.">allow-none</acronym>]

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</td>

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</tr>

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<tr>

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<td><code>destroy_function</code> :</td>

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<td>a function to be called on <code>data</code> when the stream is

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finalized, or <a href="./../glib/glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. [<acronym title="NULL is ok, both for passing and for returning.">allow-none</acronym>]

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finalized, or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>. [<acronym title="NULL is ok, both for passing and for returning.">allow-none</acronym>]

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</td>

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</tr>

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<tr>

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</div>

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<hr>

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<a name="g-memory-output-stream-new-resizable"></a><h3>g_memory_output_stream_new_resizable ()</h3>

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<pre class="programlisting"><a class="link" href="GOutputStream.html" title="GOutputStream">GOutputStream</a> * g_memory_output_stream_new_resizable

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(<code>void</code>);</pre>

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Creates a new <a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a>, using <a href="../glib/glib-Memory-Allocation.html#g-realloc"><code class="function">g_realloc()</code></a> and <a href="../glib/glib-Memory-Allocation.html#g-free"><code class="function">g_free()</code></a>

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for memory allocation.

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Since 2.36

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</div>

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<hr>

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<a name="g-memory-output-stream-get-data"></a><h3>g_memory_output_stream_get_data ()</h3>

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<pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> g_memory_output_stream_get_data (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> g_memory_output_stream_get_data (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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Gets any loaded data from the <code>ostream</code>.

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<hr>

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<a name="g-memory-output-stream-get-size"></a><h3>g_memory_output_stream_get_size ()</h3>

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<pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> g_memory_output_stream_get_size (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gsize">gsize</a> g_memory_output_stream_get_size (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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Gets the size of the currently allocated data area (available from

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<a class="link" href="GMemoryOutputStream.html#g-memory-output-stream-get-data" title="g_memory_output_stream_get_data ()"><code class="function">g_memory_output_stream_get_data()</code></a>). If the stream isn't

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<hr>

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<a name="g-memory-output-stream-get-data-size"></a><h3>g_memory_output_stream_get_data_size ()</h3>

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<pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gsize">gsize</a> g_memory_output_stream_get_data_size

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<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gsize">gsize</a> g_memory_output_stream_get_data_size

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(<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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Returns the number of bytes from the start up

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<hr>

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<a name="g-memory-output-stream-steal-data"></a><h3>g_memory_output_stream_steal_data ()</h3>

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<pre class="programlisting"><a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> g_memory_output_stream_steal_data (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> g_memory_output_stream_steal_data (<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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Gets any loaded data from the <code>ostream</code>. Ownership of the data

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is transferred to the caller; when no longer needed it must be

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</table></div>

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Since 2.26

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</div>

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<hr>

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<a name="g-memory-output-stream-steal-as-bytes"></a><h3>g_memory_output_stream_steal_as_bytes ()</h3>

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<pre class="programlisting"><a href="../glib/glib-Byte-Arrays.html#GBytes">GBytes</a> * g_memory_output_stream_steal_as_bytes

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(<code><a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a> *ostream</code>);</pre>

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Returns data from the <code>ostream</code> as a <a href="../glib/glib-Byte-Arrays.html#GBytes">GBytes</a>. <code>ostream</code> must be

373

closed before calling this function.

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<col>

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</colgroup>

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<tbody>

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<tr>

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<td><code>ostream</code> :</td>

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<td>a <a class="link" href="GMemoryOutputStream.html" title="GMemoryOutputStream">GMemoryOutputStream</a>

384

</td>

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</tr>

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<tr>

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<td>Returns :</td>

388

<td>the stream's data. [<acronym title="Free data after the code is done.">transfer full</acronym>]

389

</td>

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</tr>

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</tbody>

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</table></div>

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Since 2.34

394

</div>

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395

</div>

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<a name="GMemoryOutputStream.property-details"></a><h2>Property Details</h2>

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<a name="GMemoryOutputStream--data"></a><h3>The <code class="literal">"data"</code> property</h3>

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<pre class="programlisting"> "data" <a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only</pre>

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<pre class="programlisting"> "data" <a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only</pre>

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402

Pointer to buffer where data will be written.

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<hr>

359

407

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408

<a name="GMemoryOutputStream--data-size"></a><h3>The <code class="literal">"data-size"</code> property</h3>

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<pre class="programlisting"> "data-size" <a href="./../glib/glib/glib-Basic-Types.html#gulong">gulong</a> : Read</pre>

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<pre class="programlisting"> "data-size" <a href="../glib/glib-Basic-Types.html#gulong">gulong</a> : Read</pre>

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411

Size of data written to the buffer.

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<hr>

368

416

369

417

<a name="GMemoryOutputStream--destroy-function"></a><h3>The <code class="literal">"destroy-function"</code> property</h3>

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<pre class="programlisting"> "destroy-function" <a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only</pre>

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<pre class="programlisting"> "destroy-function" <a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only</pre>

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Function called with the buffer as argument when the stream is destroyed.

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<hr>

377

425

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426

<a name="GMemoryOutputStream--realloc-function"></a><h3>The <code class="literal">"realloc-function"</code> property</h3>

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<pre class="programlisting"> "realloc-function" <a href="./../glib/glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only</pre>

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<pre class="programlisting"> "realloc-function" <a href="../glib/glib-Basic-Types.html#gpointer">gpointer</a> : Read / Write / Construct Only</pre>

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Function with realloc semantics called to enlarge the buffer.

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<hr>

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<a name="GMemoryOutputStream--size"></a><h3>The <code class="literal">"size"</code> property</h3>

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<pre class="programlisting"> "size" <a href="./../glib/glib/glib-Basic-Types.html#gulong">gulong</a> : Read / Write / Construct Only</pre>

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<pre class="programlisting"> "size" <a href="../glib/glib-Basic-Types.html#gulong">gulong</a> : Read / Write / Construct Only</pre>

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Current size of the data buffer.

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</div>

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<hr>

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Generated by GTK-Doc V1.18</div>

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Generated by GTK-Doc V1.18.1</div>

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</body>

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</html>

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