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1 | #ifndef __LZO_H__ |
2 | #define __LZO_H__ |
3 | /* |
4 | * LZO Public Kernel Interface |
5 | * A mini subset of the LZO real-time data compression library |
6 | * |
7 | * Copyright (C) 1996-2005 Markus F.X.J. Oberhumer <markus@oberhumer.com> |
8 | * |
9 | * The full LZO package can be found at: |
10 | * http://www.oberhumer.com/opensource/lzo/ |
11 | * |
12 | * Changed for kernel use by: |
13 | * Nitin Gupta <nitingupta910@gmail.com> |
14 | * Richard Purdie <rpurdie@openedhand.com> |
15 | */ |
16 | |
17 | #define LZO1X_MEM_COMPRESS (16384 * sizeof(unsigned char *)) |
18 | #define LZO1X_1_MEM_COMPRESS LZO1X_MEM_COMPRESS |
19 | |
20 | #define lzo1x_worst_compress(x) ((x) + ((x) / 16) + 64 + 3) |
21 | |
22 | /* This requires 'workmem' of size LZO1X_1_MEM_COMPRESS */ |
23 | int lzo1x_1_compress(const unsigned char *src, size_t src_len, |
24 | unsigned char *dst, size_t *dst_len, void *wrkmem); |
25 | |
26 | /* safe decompression with overrun testing */ |
27 | int lzo1x_decompress_safe(const unsigned char *src, size_t src_len, |
28 | unsigned char *dst, size_t *dst_len); |
29 | |
30 | /* |
31 | * Return values (< 0 = Error) |
32 | */ |
33 | #define LZO_E_OK 0 |
34 | #define LZO_E_ERROR (-1) |
35 | #define LZO_E_OUT_OF_MEMORY (-2) |
36 | #define LZO_E_NOT_COMPRESSIBLE (-3) |
37 | #define LZO_E_INPUT_OVERRUN (-4) |
38 | #define LZO_E_OUTPUT_OVERRUN (-5) |
39 | #define LZO_E_LOOKBEHIND_OVERRUN (-6) |
40 | #define LZO_E_EOF_NOT_FOUND (-7) |
41 | #define LZO_E_INPUT_NOT_CONSUMED (-8) |
42 | #define LZO_E_NOT_YET_IMPLEMENTED (-9) |
43 | |
44 | #endif |
45 |
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v2.6.34-rc5
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