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/* config1a.h -- configuration for the LZO1A algorithm
This file is part of the LZO real-time data compression library.
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/
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the library and is subject
to change.
*/
#ifndef __LZO_CONFIG1A_H
#define __LZO_CONFIG1A_H
#include "lzo_conf.h"
#include "lzo/lzo1a.h"
#undef LZO_COLLECT_STATS /* no support for stats here */
/***********************************************************************
// algorithm configuration
************************************************************************/
/* run bits (4 - 5) - the compressor and the decompressor
* must use the same value. */
#if !defined(RBITS)
# define RBITS 5
#endif
/* dictionary depth (0 - 6) - this only affects the compressor.
* 0 is fastest, 6 is best compression ratio */
#if !defined(DDBITS)
# define DDBITS 0
#endif
/* compression level (1 - 9) - this only affects the compressor.
* 1 is fastest, 9 is best compression ratio */
#if !defined(CLEVEL)
# define CLEVEL 1 /* fastest by default */
#endif
/* check configuration */
#if (RBITS < 4 || RBITS > 5)
# error "invalid RBITS"
#endif
#if (DDBITS < 0 || DDBITS > 6)
# error "invalid DDBITS"
#endif
#if (CLEVEL < 1 || CLEVEL > 9)
# error "invalid CLEVEL"
#endif
/***********************************************************************
// internal configuration
************************************************************************/
/* add a special code so that the decompressor can detect the
* end of the compressed data block (overhead is 3 bytes per block) */
#undef LZO_EOF_CODE
/***********************************************************************
// algorithm internal configuration
************************************************************************/
/* choose the hashing strategy */
#ifndef LZO_HASH
#define LZO_HASH LZO_HASH_LZO_INCREMENTAL_A
#endif
/* config */
#define R_BITS RBITS
#define DD_BITS DDBITS
#ifndef D_BITS
#define D_BITS 16
#endif
/***********************************************************************
// optimization and debugging
************************************************************************/
/* Collect statistics */
#if 0 && !defined(LZO_COLLECT_STATS)
# define LZO_COLLECT_STATS
#endif
/***********************************************************************
//
************************************************************************/
#define M3O_BITS M2O_BITS
#define M3L_BITS CHAR_BIT
#define M3_MAX_LEN (M3_MIN_LEN + LZO_SIZE(M3L_BITS) - 1)
#define _MAX_OFFSET _M2_MAX_OFFSET
#define LZO_NO_M3
#include "lzo1b_de.h"
#include "stats1b.h"
#include "lzo1b_cc.h"
/***********************************************************************
// check for total LZO1/LZO1A compatibility
************************************************************************/
#undef M2_MARKER
#define M2_MARKER (1 << M2O_BITS)
#if (R_BITS != 5)
# error
#endif
#if (M2O_BITS != 5)
# error
#endif
#if (M3O_BITS != 5)
# error
#endif
#if (M2_MIN_LEN != 3)
# error
#endif
#if (M2_MAX_LEN != 8)
# error
#endif
#if (M3_MIN_LEN != 9)
# error
#endif
#if (M3_MAX_LEN != 264)
# error
#endif
#if (_M2_MAX_OFFSET != (1u << 13))
# error
#endif
#if (_M2_MAX_OFFSET != _M3_MAX_OFFSET)
# error
#endif
#if (_M2_MAX_OFFSET != _MAX_OFFSET)
# error
#endif
#if (R0MIN != 32)
# error
#endif
#if (R0MAX != 287)
# error
#endif
#if (R0FAST != 280)
# error
#endif
#endif /* already included */
/*
vi:ts=4:et
*/