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author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-08-19 13:18:07 +0300 |
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committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-08-19 13:20:49 +0300 |
commit | 36ec51948e0ecbf8cb9c5e44fbba5214451ee81c (patch) | |
tree | e0f613c22d1b7a83512ad04b0b9b76dcb09199d9 /mkfs.ubifs/crc32.h | |
parent | 71e18cc40c6a275e01c166ffeb68c5ed8759caf0 (diff) |
Add mkfs.ubifs
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'mkfs.ubifs/crc32.h')
-rw-r--r-- | mkfs.ubifs/crc32.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mkfs.ubifs/crc32.h b/mkfs.ubifs/crc32.h new file mode 100644 index 0000000..4b51177 --- /dev/null +++ b/mkfs.ubifs/crc32.h @@ -0,0 +1,22 @@ +/* + * This code was taken from the linux kernel. The license is GPL Version 2. + */ + +#ifndef __CRC32_H__ +#define __CRC32_H__ + +#include <stdint.h> + +extern const uint32_t crc32_table[256]; + +/* Return a 32-bit CRC of the contents of the buffer. */ +static inline uint32_t crc32(uint32_t val, const void *ss, int len) +{ + const unsigned char *s = ss; + + while (--len >= 0) + val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8); + return val; +} + +#endif /* __CRC32_H__ */ |