projects / J-u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| b1b4e89a SR |
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 <[email protected]> | |
| 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 <[email protected]> | |
| 14 | * Richard Purdie <[email protected]> | |
| 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 | ||
| 20dde48b PK |
30 | /* decompress lzop format */ |
| 31 | int lzop_decompress(const unsigned char *src, size_t src_len, | |
| 32 | unsigned char *dst, size_t *dst_len); | |
| 33 | ||
| b1b4e89a SR |
34 | /* |
| 35 | * Return values (< 0 = Error) | |
| 36 | */ | |
| 37 | #define LZO_E_OK 0 | |
| 38 | #define LZO_E_ERROR (-1) | |
| 39 | #define LZO_E_OUT_OF_MEMORY (-2) | |
| 40 | #define LZO_E_NOT_COMPRESSIBLE (-3) | |
| 41 | #define LZO_E_INPUT_OVERRUN (-4) | |
| 42 | #define LZO_E_OUTPUT_OVERRUN (-5) | |
| 43 | #define LZO_E_LOOKBEHIND_OVERRUN (-6) | |
| 44 | #define LZO_E_EOF_NOT_FOUND (-7) | |
| 45 | #define LZO_E_INPUT_NOT_CONSUMED (-8) | |
| 46 | #define LZO_E_NOT_YET_IMPLEMENTED (-9) | |
| 47 | ||
| 48 | #endif |