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- /*
- * lzodefs.h -- architecture, OS and compiler specific defines
- *
- * Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@oberhumer.com>
- *
- * The full LZO package can be found at:
- * http://www.oberhumer.com/opensource/lzo/
- *
- * Changed for kernel use by:
- * Nitin Gupta <nitingupta910@gmail.com>
- * Richard Purdie <rpurdie@openedhand.com>
- */
- #define LZO_VERSION 0x2020
- #define LZO_VERSION_STRING "2.02"
- #define LZO_VERSION_DATE "Oct 17 2005"
- #define M1_MAX_OFFSET 0x0400
- #define M2_MAX_OFFSET 0x0800
- #define M3_MAX_OFFSET 0x4000
- #define M4_MAX_OFFSET 0xbfff
- #define M1_MIN_LEN 2
- #define M1_MAX_LEN 2
- #define M2_MIN_LEN 3
- #define M2_MAX_LEN 8
- #define M3_MIN_LEN 3
- #define M3_MAX_LEN 33
- #define M4_MIN_LEN 3
- #define M4_MAX_LEN 9
- #define M1_MARKER 0
- #define M2_MARKER 64
- #define M3_MARKER 32
- #define M4_MARKER 16
- #define D_BITS 14
- #define D_MASK ((1u << D_BITS) - 1)
- #define D_HIGH ((D_MASK >> 1) + 1)
- #define DX2(p, s1, s2) (((((size_t)((p)[2]) << (s2)) ^ (p)[1]) \
- << (s1)) ^ (p)[0])
- #define DX3(p, s1, s2, s3) ((DX2((p)+1, s2, s3) << (s1)) ^ (p)[0])
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