/* wrapmisc.h -- misc wrapper functions for the test driver

   This file is part of the LZO real-time data compression library.

   Copyright (C) 1996-2014 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: */