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///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_flags_common.h
/// \brief Common stuff for Stream flags coders
//
// Copyright (C) 2007 Lasse Collin
//
// 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 2.1 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.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef LZMA_STREAM_FLAGS_COMMON_H
#define LZMA_STREAM_FLAGS_COMMON_H
#include "common.h"
/// Size of the Stream Flags field
#define LZMA_STREAM_FLAGS_SIZE 2
extern const uint8_t lzma_header_magic[6];
extern const uint8_t lzma_footer_magic[2];
static inline bool
is_backward_size_valid(const lzma_stream_flags *options)
{
return options->backward_size >= LZMA_BACKWARD_SIZE_MIN
&& options->backward_size <= LZMA_BACKWARD_SIZE_MAX
&& (options->backward_size & 3) == 0;
}
#endif
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