ReactOS 0.4.15-dev-7907-g95bf896
lzx_constants.h
Go to the documentation of this file.
1/*
2 File lzx_constants.h, part of lzxcomp library
3
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published by
6 the Free Software Foundation; version 2.1 only
7
8 This program is distributed in the hope that it will be useful,
9 but WITHOUT ANY WARRANTY; without even the implied warranty of
10 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 GNU Lesser General Public License for more details.
12
13 You should have received a copy of the GNU Lesser General Public License
14 along with this program; if not, write to the Free Software
15 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16
17 --------------------------------------
18 The above lines apply to the lzxcomp library as a whole. This file,
19 lzx_constants.h, however, is probably uncopyrightable, and in any
20 case I explicitly place it in the public domain.
21
22 Matthew T. Russotto
23*/
24
25/* these named constants are from the Microsoft LZX documentation */
26#define MIN_MATCH 2
27#define MAX_MATCH 257
28#define NUM_CHARS 256
29#define NUM_PRIMARY_LENGTHS 7
30#define NUM_SECONDARY_LENGTHS 249
31
32/* the names of these constants are specific to this library */
33#define LZX_MAX_CODE_LENGTH 16
34#define LZX_FRAME_SIZE 32768
35#define LZX_PRETREE_SIZE 20
36#define LZX_ALIGNED_BITS 3
37#define LZX_ALIGNED_SIZE 8
38
39#define LZX_VERBATIM_BLOCK 1
40#define LZX_ALIGNED_OFFSET_BLOCK 2