/* * 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])