diff options
| author | thead_admin <occ_thead@service.alibaba.com> | 2022-09-13 11:04:33 +0800 |
|---|---|---|
| committer | thead_admin <occ_thead@service.alibaba.com> | 2022-09-13 11:04:33 +0800 |
| commit | 43db9e00d5837c100c0b2fbbee64a08ab807d1e0 (patch) | |
| tree | b40c0eed02935b6682e8c5c975e3016b6b2f55fe /lib/lzo/lzodefs.h | |
Linux_SDK_V0.9.5Linux_SDK_V0.9.5
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 00000000..b6d482c4 --- /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]) |