release/src/router/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) 2011 Markus Franz Xaver Johannes Oberhumer
   6    Copyright (C) 2010 Markus Franz Xaver Johannes Oberhumer
   7    Copyright (C) 2009 Markus Franz Xaver Johannes Oberhumer
   8    Copyright (C) 2008 Markus Franz Xaver Johannes Oberhumer
   9    Copyright (C) 2007 Markus Franz Xaver Johannes Oberhumer
  10    Copyright (C) 2006 Markus Franz Xaver Johannes Oberhumer
  11    Copyright (C) 2005 Markus Franz Xaver Johannes Oberhumer
  12    Copyright (C) 2004 Markus Franz Xaver Johannes Oberhumer
  13    Copyright (C) 2003 Markus Franz Xaver Johannes Oberhumer
  14    Copyright (C) 2002 Markus Franz Xaver Johannes Oberhumer
  15    Copyright (C) 2001 Markus Franz Xaver Johannes Oberhumer
  16    Copyright (C) 2000 Markus Franz Xaver Johannes Oberhumer
  17    Copyright (C) 1999 Markus Franz Xaver Johannes Oberhumer
  18    Copyright (C) 1998 Markus Franz Xaver Johannes Oberhumer
  19    Copyright (C) 1997 Markus Franz Xaver Johannes Oberhumer
  20    Copyright (C) 1996 Markus Franz Xaver Johannes Oberhumer
  21    All Rights Reserved.
  22
  23    The LZO library is free software; you can redistribute it and/or
  24    modify it under the terms of the GNU General Public License as
  25    published by the Free Software Foundation; either version 2 of
  26    the License, or (at your option) any later version.
  27
  28    The LZO library is distributed in the hope that it will be useful,
  29    but WITHOUT ANY WARRANTY; without even the implied warranty of
  30    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  31    GNU General Public License for more details.
  32
  33    You should have received a copy of the GNU General Public License
  34    along with the LZO library; see the file COPYING.
  35    If not, write to the Free Software Foundation, Inc.,
  36    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  37
  38    Markus F.X.J. Oberhumer
  39    <markus@oberhumer.com>
  40    http://www.oberhumer.com/opensource/lzo/
  41  */
  42
  43
  44 /* WARNING: this file should *not* be used by applications. It is
  45    part of the implementation of the library and is subject
  46    to change.
  47  */
  48
  49
  50 #ifndef __LZO_CONFIG1X_H
  51 #define __LZO_CONFIG1X_H 1
  52
  53 #if !defined(LZO1X) && !defined(LZO1Y) && !defined(LZO1Z)
  54 #  define LZO1X 1
  55 #endif
  56
  57 #include "lzo_conf.h"
  58 #if !defined(__LZO_IN_MINILZO)
  59 #include "lzo/lzo1x.h"
  60 #endif
  61
  62
  63 /***********************************************************************
  64 //
  65 ************************************************************************/
  66
  67 #ifndef LZO_EOF_CODE
  68 #define LZO_EOF_CODE 1
  69 #endif
  70 #undef LZO_DETERMINISTIC
  71
  72 #define M1_MAX_OFFSET   0x0400
  73 #ifndef M2_MAX_OFFSET
  74 #define M2_MAX_OFFSET   0x0800
  75 #endif
  76 #define M3_MAX_OFFSET   0x4000
  77 #define M4_MAX_OFFSET   0xbfff
  78
  79 #define MX_MAX_OFFSET   (M1_MAX_OFFSET + M2_MAX_OFFSET)
  80
  81 #define M1_MIN_LEN      2
  82 #define M1_MAX_LEN      2
  83 #define M2_MIN_LEN      3
  84 #ifndef M2_MAX_LEN
  85 #define M2_MAX_LEN      8
  86 #endif
  87 #define M3_MIN_LEN      3
  88 #define M3_MAX_LEN      33
  89 #define M4_MIN_LEN      3
  90 #define M4_MAX_LEN      9
  91
  92 #define M1_MARKER       0
  93 #define M2_MARKER       64
  94 #define M3_MARKER       32
  95 #define M4_MARKER       16
  96
  97
  98 /***********************************************************************
  99 //
 100 ************************************************************************/
 101
 102 #ifndef MIN_LOOKAHEAD
 103 #define MIN_LOOKAHEAD       (M2_MAX_LEN + 1)
 104 #endif
 105
 106 #if defined(LZO_NEED_DICT_H)
 107
 108 #ifndef LZO_HASH
 109 #define LZO_HASH            LZO_HASH_LZO_INCREMENTAL_B
 110 #endif
 111 #define DL_MIN_LEN          M2_MIN_LEN
 112 #include "lzo_dict.h"
 113
 114 #endif
 115
 116
 117
 118 #endif /* already included */
 119
 120 /*
 121 vi:ts=4:et
 122 */
 123