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- /* config1c.h -- configuration for the LZO1C algorithm
-
- This file is part of the LZO real-time data compression library.
-
- Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
-
- 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.,
- 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- Markus F.X.J. Oberhumer
- markus.oberhumer@jk.uni-linz.ac.at
- */
-
-
- /* 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_CONFIG1C_H
- #define __LZO_CONFIG1C_H
-
- #undef NDEBUG
- #if 1 && !defined(NDEBUG) && !defined(LZO_DEBUG)
- #define NDEBUG
- #endif
- #include <assert.h>
-
- #include <lzo1c.h>
- #include "lzo_conf.h"
-
-
- /***********************************************************************
- // 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
- #define LZO_EOF_CODE
-
- /* return -1 instead of copying if the data cannot be compressed */
- #undef LZO_RETURN_IF_NOT_COMPRESSIBLE
-
-
- /***********************************************************************
- // algorithm internal configuration
- ************************************************************************/
-
- /* choose the hashing strategy */
- #define LZO_HASH_LZO_INCREMENTAL_A
- /* #define LZO_HASH_GZIP */
- /* #define LZO_HASH_GZIP_INCREMENTAL */
-
-
- /* config */
- #define R_BITS RBITS
- #define DD_BITS DDBITS
- #ifndef D_BITS
- #define D_BITS 14
- #endif
-
-
- /***********************************************************************
- // optimization and debugging
- ************************************************************************/
-
- /* Collect statistics */
- #if 0 && !defined(LZO_COLLECT_STATS)
- # define LZO_COLLECT_STATS
- #endif
-
-
- /***********************************************************************
- //
- ************************************************************************/
-
- /* good parameters when using a blocksize of 8kB */
- #define M3O_BITS 6
- #undef LZO_DETERMINISTIC
-
-
- #include "lzo_util.h"
- #include "lzo1b_de.h"
- #include "stats1c.h"
-
- #include "lzo1c_cc.h"
-
-
- #endif /* already included */
-
- /*
- vi:ts=4
- */
-
-