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) 1996-2014 Markus Franz Xaver Johannes Oberhumer
   6    All Rights Reserved.
   7
   8    The LZO library is free software; you can redistribute it and/or
   9    modify it under the terms of the GNU General Public License as
  10    published by the Free Software Foundation; either version 2 of
  11    the License, or (at your option) any later version.
  12
  13    The LZO library is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with the LZO library; see the file COPYING.
  20    If not, write to the Free Software Foundation, Inc.,
  21    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  22
  23    Markus F.X.J. Oberhumer
  24    <markus@oberhumer.com>
  25    http://www.oberhumer.com/opensource/lzo/
  26  */
  27
  28
  29 /* WARNING: this file should *not* be used by applications. It is
  30    part of the implementation of the library and is subject
  31    to change.
  32  */
  33
  34
  35 #ifndef __LZO_CONFIG1X_H
  36 #define __LZO_CONFIG1X_H 1
  37
  38 #if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z)
  39 #  define LZO1X 1
  40 #endif
  41
  42 #include "lzo_conf.h"
  43 #if !defined(__LZO_IN_MINILZO)
  44 #include "lzo/lzo1x.h"
  45 #endif
  46
  47
  48 /***********************************************************************
  49 //
  50 ************************************************************************/
  51
  52 #ifndef LZO_EOF_CODE
  53 #define LZO_EOF_CODE 1
  54 #endif
  55 #undef LZO_DETERMINISTIC
  56
  57 #define M1_MAX_OFFSET   0x0400
  58 #ifndef M2_MAX_OFFSET
  59 #define M2_MAX_OFFSET   0x0800
  60 #endif
  61 #define M3_MAX_OFFSET   0x4000
  62 #define M4_MAX_OFFSET   0xbfff
  63
  64 #define MX_MAX_OFFSET   (M1_MAX_OFFSET + M2_MAX_OFFSET)
  65
  66 #define M1_MIN_LEN      2
  67 #define M1_MAX_LEN      2
  68 #define M2_MIN_LEN      3
  69 #ifndef M2_MAX_LEN
  70 #define M2_MAX_LEN      8
  71 #endif
  72 #define M3_MIN_LEN      3
  73 #define M3_MAX_LEN      33
  74 #define M4_MIN_LEN      3
  75 #define M4_MAX_LEN      9
  76
  77 #define M1_MARKER       0
  78 #define M2_MARKER       64
  79 #define M3_MARKER       32
  80 #define M4_MARKER       16
  81
  82
  83 /***********************************************************************
  84 //
  85 ************************************************************************/
  86
  87 #ifndef MIN_LOOKAHEAD
  88 #define MIN_LOOKAHEAD       (M2_MAX_LEN + 1)
  89 #endif
  90
  91 #if defined(LZO_NEED_DICT_H)
  92
  93 #ifndef LZO_HASH
  94 #define LZO_HASH            LZO_HASH_LZO_INCREMENTAL_B
  95 #endif
  96 #define DL_MIN_LEN          M2_MIN_LEN
  97 #include "lzo_dict.h"
  98
  99 #endif
 100
 101
 102
 103 #endif /* already included */
 104
 105 /*
 106 vi:ts=4:et
 107 */
 108