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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) 2011 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
   Copyright (C) 1996 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 */


/*
vi:ts=4:et
*/