/*
   *  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])