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1 office 1 /* GIO - GLib Input, IO and Streaming Library
2 *
3 * Copyright (C) 2006-2007 Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Author: Alexander Larsson <alexl@redhat.com>
19 */
20  
21 #include "config.h"
22  
23 #include <glib.h>
24 #include <glib/gstdio.h>
25 #include "glibintl.h"
26 #include "gioerror.h"
27 #include "gcancellable.h"
28 #include "glocalfileiostream.h"
29 #include "glocalfileinputstream.h"
30 #include "glocalfileinfo.h"
31  
32 #ifdef G_OS_UNIX
33 #include "gfiledescriptorbased.h"
34 #endif
35  
36  
37 #define g_local_file_io_stream_get_type _g_local_file_io_stream_get_type
38 G_DEFINE_TYPE (GLocalFileIOStream, g_local_file_io_stream, G_TYPE_FILE_IO_STREAM);
39  
40 static void
41 g_local_file_io_stream_finalize (GObject *object)
42 {
43 GLocalFileIOStream *file;
44  
45 file = G_LOCAL_FILE_IO_STREAM (object);
46  
47 g_object_unref (file->input_stream);
48 g_object_unref (file->output_stream);
49  
50 G_OBJECT_CLASS (g_local_file_io_stream_parent_class)->finalize (object);
51 }
52  
53 GFileIOStream *
54 _g_local_file_io_stream_new (GLocalFileOutputStream *output_stream)
55 {
56 GLocalFileIOStream *stream;
57 int fd;
58  
59 stream = g_object_new (G_TYPE_LOCAL_FILE_IO_STREAM, NULL);
60 stream->output_stream = g_object_ref (output_stream);
61 _g_local_file_output_stream_set_do_close (output_stream, FALSE);
62 fd = _g_local_file_output_stream_get_fd (output_stream);
63 stream->input_stream = (GInputStream *)_g_local_file_input_stream_new (fd);
64  
65 _g_local_file_input_stream_set_do_close (G_LOCAL_FILE_INPUT_STREAM (stream->input_stream),
66 FALSE);
67  
68 return G_FILE_IO_STREAM (stream);
69 }
70  
71 static GInputStream *
72 g_local_file_io_stream_get_input_stream (GIOStream *stream)
73 {
74 return G_LOCAL_FILE_IO_STREAM (stream)->input_stream;
75 }
76  
77 static GOutputStream *
78 g_local_file_io_stream_get_output_stream (GIOStream *stream)
79 {
80 return G_LOCAL_FILE_IO_STREAM (stream)->output_stream;
81 }
82  
83  
84 static gboolean
85 g_local_file_io_stream_close (GIOStream *stream,
86 GCancellable *cancellable,
87 GError **error)
88 {
89 GLocalFileIOStream *file = G_LOCAL_FILE_IO_STREAM (stream);
90  
91 /* There are shortcutted and can't fail */
92 g_output_stream_close (file->output_stream, cancellable, NULL);
93 g_input_stream_close (file->input_stream, cancellable, NULL);
94  
95 return
96 _g_local_file_output_stream_really_close (G_LOCAL_FILE_OUTPUT_STREAM (file->output_stream),
97 cancellable, error);
98 }
99  
100 static void
101 g_local_file_io_stream_class_init (GLocalFileIOStreamClass *klass)
102 {
103 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
104 GIOStreamClass *stream_class = G_IO_STREAM_CLASS (klass);
105  
106 gobject_class->finalize = g_local_file_io_stream_finalize;
107  
108 stream_class->get_input_stream = g_local_file_io_stream_get_input_stream;
109 stream_class->get_output_stream = g_local_file_io_stream_get_output_stream;
110 stream_class->close_fn = g_local_file_io_stream_close;
111 }
112  
113 static void
114 g_local_file_io_stream_init (GLocalFileIOStream *stream)
115 {
116 }