57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* This file is a part of Pcompress, a chunked parallel multi-
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* algorithm lossless compression and decompression program.
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*
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* Copyright (C) 2012-2013 Moinak Ghosh. All rights reserved.
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* Use is subject to license terms.
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*
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* This program 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 3 of the License, or (at your option) any later version.
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*
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* This program 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 Public
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* License along with this program.
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* If not, see <http://www.gnu.org/licenses/>.
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*
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* moinakg@belenix.org, http://moinakg.wordpress.com/
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*
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*/
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file crc_macros.h
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/// \brief Some endian-dependent macros for CRC32 and CRC64
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include <utils.h>
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#ifdef WORDS_BIGENDIAN
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# define A(x) ((x) >> 24)
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# define B(x) (((x) >> 16) & 0xFF)
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# define C(x) (((x) >> 8) & 0xFF)
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# define D(x) ((x) & 0xFF)
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# define S8(x) ((x) << 8)
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# define S32(x) ((x) << 32)
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#else
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# define A(x) ((x) & 0xFF)
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# define B(x) (((x) >> 8) & 0xFF)
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# define C(x) (((x) >> 16) & 0xFF)
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# define D(x) ((x) >> 24)
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# define S8(x) ((x) >> 8)
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# define S32(x) ((x) >> 32)
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#endif
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