lzo/src/config1x.h

   1 /* config1x.h -- configuration for the LZO1X algorithm
   2
   3    This file is part of the LZO real-time data compression library.
   4
   5    Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
   6    Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
   7    Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
   8    Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
   9    Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
  10    Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
  11    Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
  12    Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
  13    Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
  14    Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
  15    Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
  16    Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
  17    Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
  18    All Rights Reserved.
  19
  20    The LZO library is free software; you can redistribute it and/or
  21    modify it under the terms of the GNU General Public License as
  22    published by the Free Software Foundation; either version 2 of
  23    the License, or (at your option) any later version.
  24
  25    The LZO library is distributed in the hope that it will be useful,
  26    but WITHOUT ANY WARRANTY; without even the implied warranty of
  27    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  28    GNU General Public License for more details.
  29
  30    You should have received a copy of the GNU General Public License
  31    along with the LZO library; see the file COPYING.
  32    If not, write to the Free Software Foundation, Inc.,
  33    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  34
  35    Markus F.X.J. Oberhumer
  36    <markus@oberhumer.com>
  37    http://www.oberhumer.com/opensource/lzo/
  38  */
  39
  40
  41 /* WARNING: this file should *not* be used by applications. It is
  42    part of the implementation of the library and is subject
  43    to change.
  44  */
  45
  46
  47 #ifndef __LZO_CONFIG1X_H
  48 #define __LZO_CONFIG1X_H
  49
  50 #if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z)
  51 #  define LZO1X
  52 #endif
  53
  54 #include "lzo_conf.h"
  55 #if !defined(__LZO_IN_MINILZO)
  56 #include "lzo/lzo1x.h"
  57 #endif
  58
  59
  60 /***********************************************************************
  61 //
  62 ************************************************************************/
  63
  64 #define LZO_EOF_CODE
  65 #undef LZO_DETERMINISTIC
  66
  67 #define M1_MAX_OFFSET   0x0400
  68 #ifndef M2_MAX_OFFSET
  69 #define M2_MAX_OFFSET   0x0800
  70 #endif
  71 #define M3_MAX_OFFSET   0x4000
  72 #define M4_MAX_OFFSET   0xbfff
  73
  74 #define MX_MAX_OFFSET   (M1_MAX_OFFSET + M2_MAX_OFFSET)
  75
  76 #define M1_MIN_LEN      2
  77 #define M1_MAX_LEN      2
  78 #define M2_MIN_LEN      3
  79 #ifndef M2_MAX_LEN
  80 #define M2_MAX_LEN      8
  81 #endif
  82 #define M3_MIN_LEN      3
  83 #define M3_MAX_LEN      33
  84 #define M4_MIN_LEN      3
  85 #define M4_MAX_LEN      9
  86
  87 #define M1_MARKER       0
  88 #define M2_MARKER       64
  89 #define M3_MARKER       32
  90 #define M4_MARKER       16
  91
  92
  93 /***********************************************************************
  94 //
  95 ************************************************************************/
  96
  97 #ifndef MIN_LOOKAHEAD
  98 #define MIN_LOOKAHEAD       (M2_MAX_LEN + 1)
  99 #endif
 100
 101 #if defined(LZO_NEED_DICT_H)
 102
 103 #ifndef LZO_HASH
 104 #define LZO_HASH            LZO_HASH_LZO_INCREMENTAL_B
 105 #endif
 106 #define DL_MIN_LEN          M2_MIN_LEN
 107 #include "lzo_dict.h"
 108
 109 #endif
 110
 111
 112
 113 #endif /* already included */
 114
 115 /*
 116 vi:ts=4:et
 117 */
 118