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/*
* Copyright 2003-2017 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_READER_HXX
#define MPD_READER_HXX
#include "check.h"
#include "util/Compiler.h"
#include <stddef.h>
/**
* An interface that can read bytes from a stream until the stream
* ends.
*
* This interface is simpler and less cumbersome to use than
* #InputStream.
*/
class Reader {
public:
Reader() = default;
Reader(const Reader &) = delete;
/**
* Read data from the stream.
*
* @return the number of bytes read into the given buffer or 0
* on end-of-stream
*/
gcc_nonnull_all
virtual size_t Read(void *data, size_t size) = 0;
};
#endif
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