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/* wrapmisc.h -- misc wrapper functions for the test driver
This file is part of the LZO real-time data compression library.
Copyright (C) 1996-2017 Markus Franz Xaver Johannes Oberhumer
All Rights Reserved.
The LZO library is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
The LZO 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with the LZO library; see the file COPYING.
If not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Markus F.X.J. Oberhumer
<markus@oberhumer.com>
http://www.oberhumer.com/opensource/lzo/
*/
/*************************************************************************
// compression levels of zlib
**************************************************************************/
#if defined(ALG_ZLIB)
#define ZLIB_MEM_COMPRESS 0
#define ZLIB_MEM_DECOMPRESS 0
static
int zlib_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem,
int method, int compression_level )
{
int err;
uLong destLen;
assert(method == Z_DEFLATED);
destLen = (uLong) *dst_len;
err = compress2(dst, &destLen, src, (uLong) src_len, compression_level);
*dst_len = destLen;
LZO_UNUSED(method);
LZO_UNUSED(wrkmem);
return err;
}
M_PRIVATE(int)
zlib_decompress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{
int err;
uLong destLen;
destLen = (uLong) *dst_len;
err = uncompress(dst, &destLen, src, (uLong) src_len);
*dst_len = destLen;
LZO_UNUSED(wrkmem);
return err;
}
M_PRIVATE(int)
zlib_8_1_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,1); }
M_PRIVATE(int)
zlib_8_2_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,2); }
M_PRIVATE(int)
zlib_8_3_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,3); }
M_PRIVATE(int)
zlib_8_4_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,4); }
M_PRIVATE(int)
zlib_8_5_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,5); }
M_PRIVATE(int)
zlib_8_6_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,6); }
M_PRIVATE(int)
zlib_8_7_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,7); }
M_PRIVATE(int)
zlib_8_8_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,8); }
M_PRIVATE(int)
zlib_8_9_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return zlib_compress(src,src_len,dst,dst_len,wrkmem,Z_DEFLATED,9); }
#endif /* ALG_ZLIB */
/*************************************************************************
// compression levels of bzip2
**************************************************************************/
#if defined(ALG_BZIP2)
#define BZIP2_MEM_COMPRESS 0
#define BZIP2_MEM_DECOMPRESS 0
static
int bzip2_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem,
int compression_level )
{
int err;
unsigned destLen;
union { const m_bytep csrc; char *src; } u;
u.csrc = src; /* UNCONST */
destLen = *dst_len;
err = BZ2_bzBuffToBuffCompress((char*)dst, &destLen, u.src, src_len, compression_level, 0, 0);
*dst_len = destLen;
LZO_UNUSED(wrkmem);
return err;
}
M_PRIVATE(int)
bzip2_decompress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{
int err;
unsigned destLen;
union { const m_bytep csrc; char *src; } u;
u.csrc = src; /* UNCONST */
destLen = *dst_len;
err = BZ2_bzBuffToBuffDecompress((char*)dst, &destLen, u.src, src_len, 0, 0);
*dst_len = destLen;
LZO_UNUSED(wrkmem);
return err;
}
M_PRIVATE(int)
bzip2_1_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,1); }
M_PRIVATE(int)
bzip2_2_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,2); }
M_PRIVATE(int)
bzip2_3_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,3); }
M_PRIVATE(int)
bzip2_4_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,4); }
M_PRIVATE(int)
bzip2_5_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,5); }
M_PRIVATE(int)
bzip2_6_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,6); }
M_PRIVATE(int)
bzip2_7_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,7); }
M_PRIVATE(int)
bzip2_8_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,8); }
M_PRIVATE(int)
bzip2_9_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{ return bzip2_compress(src,src_len,dst,dst_len,wrkmem,9); }
#endif /* ALG_BZIP2 */
/*************************************************************************
// other wrappers (for benchmarking the checksum algorithms)
**************************************************************************/
#if defined(ALG_ZLIB)
M_PRIVATE(int)
zlib_adler32_x_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{
uLong adler;
adler = adler32(1L, src, (uInt) src_len);
*dst_len = src_len;
LZO_UNUSED(adler);
LZO_UNUSED(dst);
LZO_UNUSED(wrkmem);
return 0;
}
M_PRIVATE(int)
zlib_crc32_x_compress ( const m_bytep src, m_uint src_len,
m_bytep dst, m_uintp dst_len,
m_voidp wrkmem )
{
uLong crc;
crc = crc32(0L, src, (uInt) src_len);
*dst_len = src_len;
LZO_UNUSED(crc);
LZO_UNUSED(dst);
LZO_UNUSED(wrkmem);
return 0;
}
#endif /* ALG_ZLIB */
/* vim:set ts=4 sw=4 et: */
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