51 lines
1.5 KiB
C
51 lines
1.5 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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#ifndef _DELTA2_H
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#define _DELTA2_H
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#include <arpa/nameser_compat.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <inttypes.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NSTRIDES_STANDARD 3
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#define NSTRIDES_EXTRA 7
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#define STRIDE_MAX 8
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#define STRIDE_MIN 2
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int delta2_encode(uchar_t *src, uint64_t srclen, uchar_t *dst, uint64_t *dstlen, int rle_thresh, int nstrides);
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int delta2_decode(uchar_t *src, uint64_t srclen, uchar_t *dst, uint64_t *dstlen);
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#define ULL_MAX (18446744073709551615ULL)
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#ifdef __cplusplus
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}
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#endif
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#endif
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