glib/gio/gseekable.h
Alexander Larsson 2c362b7f9e Rename all struct members named: read, write, close, truncate, or mount to
2007-12-05  Alexander Larsson  <alexl@redhat.com>

        * gbufferedinputstream.c:
        * gbufferedoutputstream.c:
        * gdrive.[ch]:
        * gfile.[ch]:
        * gfileenumerator.[ch]:
        * gfileinputstream.c:
        * gfileoutputstream.[ch]:
        * gfilterinputstream.c:
        * gfilteroutputstream.c:
        * ginputstream.[ch]:
        * glocalfile.c:
        * glocalfileenumerator.c:
        * glocalfileinputstream.c:
        * glocalfileoutputstream.c:
        * gmemoryinputstream.c:
        * gmemoryoutputstream.c:
        * goutputstream.[ch]:
        * gseekable.[ch]:
        * gunixdrive.c:
        * gunixinputstream.c:
        * gunixoutputstream.c:
	Rename all struct members named:
	read, write, close, truncate, or mount
	to foo_fn, as these are reserved names
	and could be defined as macros in libc.
	(#501645)


svn path=/trunk/; revision=6048
2007-12-05 10:38:03 +00:00

98 lines
3.1 KiB
C

/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#ifndef __G_SEEKABLE_H__
#define __G_SEEKABLE_H__
#include <glib-object.h>
#include <gio/gcancellable.h>
G_BEGIN_DECLS
#define G_TYPE_SEEKABLE (g_seekable_get_type ())
#define G_SEEKABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_SEEKABLE, GSeekable))
#define G_IS_SEEKABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_SEEKABLE))
#define G_SEEKABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_SEEKABLE, GSeekableIface))
/**
* GSeekable:
*
* Seek object for streaming operations.
**/
typedef struct _GSeekable GSeekable;
typedef struct _GSeekableIface GSeekableIface;
/**
* GSeekableIface:
* @g_iface: The parent interface.
* @tell: Tells the current location within a stream.
* @can_seek: Checks if seeking is supported by the stream.
* @seek: Seeks to a location within a stream.
* @can_truncate: Chekcs if truncation is suppored by the stream.
* @truncate_fn: Truncates a stream.
*
* Provides an interface for implementing seekable functionality on I/O Streams.
**/
struct _GSeekableIface
{
GTypeInterface g_iface;
/* Virtual Table */
goffset (* tell) (GSeekable *seekable);
gboolean (* can_seek) (GSeekable *seekable);
gboolean (* seek) (GSeekable *seekable,
goffset offset,
GSeekType type,
GCancellable *cancellable,
GError **error);
gboolean (* can_truncate) (GSeekable *seekable);
gboolean (* truncate_fn) (GSeekable *seekable,
goffset offset,
GCancellable *cancellable,
GError **error);
/* TODO: Async seek/truncate */
};
GType g_seekable_get_type (void) G_GNUC_CONST;
goffset g_seekable_tell (GSeekable *seekable);
gboolean g_seekable_can_seek (GSeekable *seekable);
gboolean g_seekable_seek (GSeekable *seekable,
goffset offset,
GSeekType type,
GCancellable *cancellable,
GError **error);
gboolean g_seekable_can_truncate (GSeekable *seekable);
gboolean g_seekable_truncate (GSeekable *seekable,
goffset offset,
GCancellable *cancellable,
GError **error);
G_END_DECLS
#endif /* __G_SEEKABLE_H__ */