glib (2.79.0)
1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 *
5 * SPDX-License-Identifier: LGPL-2.1-or-later
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General
18 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 *
20 * Author: Christian Kellner <gicmo@gnome.org>
21 */
22
23 #ifndef __G_MEMORY_OUTPUT_STREAM_H__
24 #define __G_MEMORY_OUTPUT_STREAM_H__
25
26 #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
27 #error "Only <gio/gio.h> can be included directly."
28 #endif
29
30 #include <gio/goutputstream.h>
31
32 G_BEGIN_DECLS
33
34 #define G_TYPE_MEMORY_OUTPUT_STREAM (g_memory_output_stream_get_type ())
35 #define G_MEMORY_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_MEMORY_OUTPUT_STREAM, GMemoryOutputStream))
36 #define G_MEMORY_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_MEMORY_OUTPUT_STREAM, GMemoryOutputStreamClass))
37 #define G_IS_MEMORY_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_MEMORY_OUTPUT_STREAM))
38 #define G_IS_MEMORY_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_MEMORY_OUTPUT_STREAM))
39 #define G_MEMORY_OUTPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_MEMORY_OUTPUT_STREAM, GMemoryOutputStreamClass))
40
41 typedef struct _GMemoryOutputStreamClass GMemoryOutputStreamClass;
42 typedef struct _GMemoryOutputStreamPrivate GMemoryOutputStreamPrivate;
43
44 struct _GMemoryOutputStream
45 {
46 GOutputStream parent_instance;
47
48 /*< private >*/
49 GMemoryOutputStreamPrivate *priv;
50 };
51
52 struct _GMemoryOutputStreamClass
53 {
54 GOutputStreamClass parent_class;
55
56 /*< private >*/
57 /* Padding for future expansion */
58 void (*_g_reserved1) (void);
59 void (*_g_reserved2) (void);
60 void (*_g_reserved3) (void);
61 void (*_g_reserved4) (void);
62 void (*_g_reserved5) (void);
63 };
64
65 /**
66 * GReallocFunc:
67 * @data: memory block to reallocate
68 * @size: size to reallocate @data to
69 *
70 * Changes the size of the memory block pointed to by @data to
71 * @size bytes.
72 *
73 * The function should have the same semantics as realloc().
74 *
75 * Returns: a pointer to the reallocated memory
76 */
77 typedef gpointer (* GReallocFunc) (gpointer data,
78 gsize size);
79
80 GIO_AVAILABLE_IN_ALL
81 GType g_memory_output_stream_get_type (void) G_GNUC_CONST;
82
83 GIO_AVAILABLE_IN_ALL
84 GOutputStream *g_memory_output_stream_new (gpointer data,
85 gsize size,
86 GReallocFunc realloc_function,
87 GDestroyNotify destroy_function);
88 GIO_AVAILABLE_IN_2_36
89 GOutputStream *g_memory_output_stream_new_resizable (void);
90 GIO_AVAILABLE_IN_ALL
91 gpointer g_memory_output_stream_get_data (GMemoryOutputStream *ostream);
92 GIO_AVAILABLE_IN_ALL
93 gsize g_memory_output_stream_get_size (GMemoryOutputStream *ostream);
94 GIO_AVAILABLE_IN_ALL
95 gsize g_memory_output_stream_get_data_size (GMemoryOutputStream *ostream);
96 GIO_AVAILABLE_IN_ALL
97 gpointer g_memory_output_stream_steal_data (GMemoryOutputStream *ostream);
98
99 GIO_AVAILABLE_IN_2_34
100 GBytes * g_memory_output_stream_steal_as_bytes (GMemoryOutputStream *ostream);
101
102 G_END_DECLS
103
104 #endif /* __G_MEMORY_OUTPUT_STREAM_H__ */
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