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/* wrapmisc.h -- misc wrapper functions for the test driver
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This file is part of the LZO real-time data compression library.
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Copyright (C) 1996-2014 Markus Franz Xaver Johannes Oberhumer
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All Rights Reserved.
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The LZO library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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The LZO library 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with the LZO library; see the file COPYING.
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If not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Markus F.X.J. Oberhumer
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<markus@oberhumer.com>
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http://www.oberhumer.com/opensource/lzo/
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*/
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/*************************************************************************
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// compression levels of zlib
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**************************************************************************/
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#if defined(ALG_ZLIB)
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#define ZLIB_MEM_COMPRESS 0
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#define ZLIB_MEM_DECOMPRESS 0
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static
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int zlib_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem,
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int method, int compression_level )
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{
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int err;
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uLong destLen;
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assert(method == Z_DEFLATED);
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destLen = (uLong) *dst_len;
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err = compress2(dst, &destLen, src, (uLong) src_len, compression_level);
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*dst_len = destLen;
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LZO_UNUSED(method);
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LZO_UNUSED(wrkmem);
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return err;
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}
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M_PRIVATE(int)
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zlib_decompress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{
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int err;
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uLong destLen;
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destLen = (uLong) *dst_len;
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err = uncompress(dst, &destLen, src, (uLong) src_len);
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*dst_len = destLen;
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LZO_UNUSED(wrkmem);
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return err;
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}
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M_PRIVATE(int)
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zlib_8_1_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,1); }
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M_PRIVATE(int)
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zlib_8_2_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,2); }
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M_PRIVATE(int)
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zlib_8_3_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,3); }
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M_PRIVATE(int)
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zlib_8_4_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,4); }
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M_PRIVATE(int)
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zlib_8_5_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,5); }
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M_PRIVATE(int)
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zlib_8_6_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,6); }
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M_PRIVATE(int)
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zlib_8_7_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,7); }
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M_PRIVATE(int)
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zlib_8_8_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,8); }
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M_PRIVATE(int)
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zlib_8_9_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,9); }
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#endif /* ALG_ZLIB */
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/*************************************************************************
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// compression levels of bzip2
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**************************************************************************/
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#if defined(ALG_BZIP2)
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#define BZIP2_MEM_COMPRESS 0
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#define BZIP2_MEM_DECOMPRESS 0
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static
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int bzip2_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem,
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int compression_level )
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{
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int err;
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unsigned destLen;
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union { const m_bytep csrc; char *src; } u;
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u.csrc = src; /* UNCONST */
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destLen = *dst_len;
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err = BZ2_bzBuffToBuffCompress((char*)dst, &destLen, u.src, src_len, compression_level, 0, 0);
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*dst_len = destLen;
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LZO_UNUSED(wrkmem);
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return err;
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}
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M_PRIVATE(int)
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bzip2_decompress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{
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int err;
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unsigned destLen;
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union { const m_bytep csrc; char *src; } u;
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u.csrc = src; /* UNCONST */
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destLen = *dst_len;
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err = BZ2_bzBuffToBuffDecompress((char*)dst, &destLen, u.src, src_len, 0, 0);
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*dst_len = destLen;
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LZO_UNUSED(wrkmem);
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return err;
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}
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M_PRIVATE(int)
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bzip2_1_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,1); }
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M_PRIVATE(int)
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bzip2_2_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,2); }
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M_PRIVATE(int)
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bzip2_3_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,3); }
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M_PRIVATE(int)
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bzip2_4_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,4); }
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M_PRIVATE(int)
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bzip2_5_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,5); }
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M_PRIVATE(int)
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bzip2_6_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,6); }
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M_PRIVATE(int)
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bzip2_7_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,7); }
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M_PRIVATE(int)
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bzip2_8_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,8); }
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M_PRIVATE(int)
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bzip2_9_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
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5195f2 |
m_voidp wrkmem )
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{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,9); }
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#endif /* ALG_BZIP2 */
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/*************************************************************************
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// other wrappers (for benchmarking the checksum algorithms)
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**************************************************************************/
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|
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#if defined(ALG_ZLIB)
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M_PRIVATE(int)
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zlib_adler32_x_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
|
|
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5195f2 |
m_voidp wrkmem )
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|
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{
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uLong adler;
|
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adler = adler32(1L, src, (uInt) src_len);
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|
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*dst_len = src_len;
|
|
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5195f2 |
LZO_UNUSED(adler);
|
|
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5195f2 |
LZO_UNUSED(dst);
|
|
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LZO_UNUSED(wrkmem);
|
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5195f2 |
return 0;
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|
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}
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M_PRIVATE(int)
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|
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5195f2 |
zlib_crc32_x_compress ( const m_bytep src, m_uint src_len,
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m_bytep dst, m_uintp dst_len,
|
|
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5195f2 |
m_voidp wrkmem )
|
|
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{
|
|
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uLong crc;
|
|
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5195f2 |
crc = crc32(0L, src, (uInt) src_len);
|
|
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*dst_len = src_len;
|
|
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5195f2 |
LZO_UNUSED(crc);
|
|
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5195f2 |
LZO_UNUSED(dst);
|
|
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5195f2 |
LZO_UNUSED(wrkmem);
|
|
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5195f2 |
return 0;
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|
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5195f2 |
}
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#endif /* ALG_ZLIB */
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/* vim:set ts=4 sw=4 et: */
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