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5942cd7984
Add SPDX license (but not copyright) headers to all files which follow a certain pattern in their existing non-machine-readable header comment. This commit was entirely generated using the command: ``` git ls-files gio/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs' ``` Signed-off-by: Philip Withnall <pwithnall@endlessos.org> Helps: #1415
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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*/
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#ifndef __G_SEEKABLE_H__
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#define __G_SEEKABLE_H__
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#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
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#error "Only <gio/gio.h> can be included directly."
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#endif
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#include <gio/giotypes.h>
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G_BEGIN_DECLS
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#define G_TYPE_SEEKABLE (g_seekable_get_type ())
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#define G_SEEKABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_SEEKABLE, GSeekable))
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#define G_IS_SEEKABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_SEEKABLE))
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#define G_SEEKABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_SEEKABLE, GSeekableIface))
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/**
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* GSeekable:
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*
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* Seek object for streaming operations.
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**/
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typedef struct _GSeekableIface GSeekableIface;
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/**
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* GSeekableIface:
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* @g_iface: The parent interface.
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* @tell: Tells the current location within a stream.
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* @can_seek: Checks if seeking is supported by the stream.
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* @seek: Seeks to a location within a stream.
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* @can_truncate: Checks if truncation is supported by the stream.
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* @truncate_fn: Truncates a stream.
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*
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* Provides an interface for implementing seekable functionality on I/O Streams.
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**/
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struct _GSeekableIface
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{
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GTypeInterface g_iface;
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/* Virtual Table */
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goffset (* tell) (GSeekable *seekable);
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gboolean (* can_seek) (GSeekable *seekable);
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gboolean (* seek) (GSeekable *seekable,
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goffset offset,
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GSeekType type,
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GCancellable *cancellable,
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GError **error);
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gboolean (* can_truncate) (GSeekable *seekable);
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gboolean (* truncate_fn) (GSeekable *seekable,
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goffset offset,
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GCancellable *cancellable,
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GError **error);
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/* TODO: Async seek/truncate */
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};
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GLIB_AVAILABLE_IN_ALL
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GType g_seekable_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_ALL
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goffset g_seekable_tell (GSeekable *seekable);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_seekable_can_seek (GSeekable *seekable);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_seekable_seek (GSeekable *seekable,
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goffset offset,
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GSeekType type,
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GCancellable *cancellable,
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GError **error);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_seekable_can_truncate (GSeekable *seekable);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_seekable_truncate (GSeekable *seekable,
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goffset offset,
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GCancellable *cancellable,
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GError **error);
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G_END_DECLS
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#endif /* __G_SEEKABLE_H__ */
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