xz/src/liblzma/common/stream_flags_equal.c

37 lines
1.2 KiB
C

///////////////////////////////////////////////////////////////////////////////
//
/// \file stream_flags_equal.c
/// \brief Compare Stream Header and Stream Footer
//
// Copyright (C) 2008 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.
//
///////////////////////////////////////////////////////////////////////////////
#include "common.h"
extern LZMA_API lzma_bool
lzma_stream_flags_equal(const lzma_stream_flags *a, lzma_stream_flags *b)
{
if (a->check != b->check)
return false;
// Backward Sizes are compared only if they are known in both.
if (a->backward_size != LZMA_VLI_VALUE_UNKNOWN
&& b->backward_size != LZMA_VLI_VALUE_UNKNOWN
&& a->backward_size != b->backward_size)
return false;
return true;
}