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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
+*/
+