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44c004c84e
Some editors automatically remove trailing blank lines, or
automatically add a trailing newline to avoid having a trailing
non-blank line that is not terminated by a newline. To avoid unrelated
whitespace changes when users of such editors contribute to GLib,
let's pre-emptively normalize all files.
Unlike more intrusive whitespace normalization like removing trailing
whitespace from each line, this seems unlikely to cause significant
issues with cherry-picking changes to stable branches.
Implemented by:
find . -name '*.[ch]' -print0 | \
xargs -0 perl -0777 -p -i -e 's/\n+\z//g; s/\z/\n/g'
Signed-off-by: Simon McVittie <smcv@collabora.com>
126 lines
4.8 KiB
C
126 lines
4.8 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2010 Red Hat, Inc.
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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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#ifndef __G_POLLABLE_OUTPUT_STREAM_H__
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#define __G_POLLABLE_OUTPUT_STREAM_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/gio.h>
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G_BEGIN_DECLS
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#define G_TYPE_POLLABLE_OUTPUT_STREAM (g_pollable_output_stream_get_type ())
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#define G_POLLABLE_OUTPUT_STREAM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), G_TYPE_POLLABLE_OUTPUT_STREAM, GPollableOutputStream))
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#define G_IS_POLLABLE_OUTPUT_STREAM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), G_TYPE_POLLABLE_OUTPUT_STREAM))
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#define G_POLLABLE_OUTPUT_STREAM_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), G_TYPE_POLLABLE_OUTPUT_STREAM, GPollableOutputStreamInterface))
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/**
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* GPollableOutputStream:
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*
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* An interface for a #GOutputStream that can be polled for writeability.
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*
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* Since: 2.28
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*/
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typedef struct _GPollableOutputStreamInterface GPollableOutputStreamInterface;
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/**
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* GPollableOutputStreamInterface:
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* @g_iface: The parent interface.
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* @can_poll: Checks if the #GPollableOutputStream instance is actually pollable
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* @is_writable: Checks if the stream is writable
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* @create_source: Creates a #GSource to poll the stream
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* @write_nonblocking: Does a non-blocking write or returns
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* %G_IO_ERROR_WOULD_BLOCK
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* @writev_nonblocking: Does a vectored non-blocking write, or returns
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* %G_POLLABLE_RETURN_WOULD_BLOCK
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*
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* The interface for pollable output streams.
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*
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* The default implementation of @can_poll always returns %TRUE.
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*
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* The default implementation of @write_nonblocking calls
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* g_pollable_output_stream_is_writable(), and then calls
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* g_output_stream_write() if it returns %TRUE. This means you only
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* need to override it if it is possible that your @is_writable
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* implementation may return %TRUE when the stream is not actually
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* writable.
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*
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* The default implementation of @writev_nonblocking calls
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* g_pollable_output_stream_write_nonblocking() for each vector, and converts
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* its return value and error (if set) to a #GPollableReturn. You should
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* override this where possible to avoid having to allocate a #GError to return
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* %G_IO_ERROR_WOULD_BLOCK.
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*
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* Since: 2.28
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*/
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struct _GPollableOutputStreamInterface
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{
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GTypeInterface g_iface;
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/* Virtual Table */
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gboolean (*can_poll) (GPollableOutputStream *stream);
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gboolean (*is_writable) (GPollableOutputStream *stream);
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GSource * (*create_source) (GPollableOutputStream *stream,
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GCancellable *cancellable);
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gssize (*write_nonblocking) (GPollableOutputStream *stream,
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const void *buffer,
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gsize count,
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GError **error);
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GPollableReturn (*writev_nonblocking) (GPollableOutputStream *stream,
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const GOutputVector *vectors,
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gsize n_vectors,
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gsize *bytes_written,
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GError **error);
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};
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GLIB_AVAILABLE_IN_ALL
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GType g_pollable_output_stream_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_ALL
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gboolean g_pollable_output_stream_can_poll (GPollableOutputStream *stream);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_pollable_output_stream_is_writable (GPollableOutputStream *stream);
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GLIB_AVAILABLE_IN_ALL
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GSource *g_pollable_output_stream_create_source (GPollableOutputStream *stream,
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GCancellable *cancellable);
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GLIB_AVAILABLE_IN_ALL
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gssize g_pollable_output_stream_write_nonblocking (GPollableOutputStream *stream,
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const void *buffer,
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gsize count,
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GCancellable *cancellable,
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GError **error);
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GLIB_AVAILABLE_IN_2_60
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GPollableReturn g_pollable_output_stream_writev_nonblocking (GPollableOutputStream *stream,
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const GOutputVector *vectors,
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gsize n_vectors,
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gsize *bytes_written,
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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_POLLABLE_OUTPUT_STREAM_H__ */
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