2 * lzodefs.h -- architecture, OS and compiler specific defines
4 * Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@oberhumer.com>
6 * The full LZO package can be found at:
7 * http://www.oberhumer.com/opensource/lzo/
9 * Changed for kernel use by:
10 * Nitin Gupta <nitingupta910@gmail.com>
11 * Richard Purdie <rpurdie@openedhand.com>
14 #define LZO_VERSION 0x2020
15 #define LZO_VERSION_STRING "2.02"
16 #define LZO_VERSION_DATE "Oct 17 2005"
18 #define M1_MAX_OFFSET 0x0400
19 #define M2_MAX_OFFSET 0x0800
20 #define M3_MAX_OFFSET 0x4000
21 #define M4_MAX_OFFSET 0xbfff
38 #define D_MASK ((1u << D_BITS) - 1)
39 #define D_HIGH ((D_MASK >> 1) + 1)
41 #define DX2(p, s1, s2) (((((size_t)((p)[2]) << (s2)) ^ (p)[1]) \
43 #define DX3(p, s1, s2, s3) ((DX2((p)+1, s2, s3) << (s1)) ^ (p)[0])
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