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Diffstat (limited to 'lib/lzo/lzodefs.h')
| -rw-r--r-- | lib/lzo/lzodefs.h | 43 | 
1 files changed, 43 insertions, 0 deletions
| diff --git a/lib/lzo/lzodefs.h b/lib/lzo/lzodefs.h new file mode 100644 index 000000000..b6d482c49 --- /dev/null +++ b/lib/lzo/lzodefs.h @@ -0,0 +1,43 @@ +/* + *  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]) |