diff options
author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-02-19 14:54:17 +0200 |
---|---|---|
committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2008-02-19 16:41:16 +0200 |
commit | 86dd9696d3a1acb036d65909d93d73455b8aed3a (patch) | |
tree | 9e8bb6797b3bebd0bf83ae1fab2151a6dfeafe6a /ubi-utils/new-utils/src/crc32.h | |
parent | ef644090223e5983ca2492850354c1390e3368d1 (diff) |
Revert ubi-tools changes
Restore ubi tools to their "original" state, which means to
the state they were before I stareted cleaning them up.
Instead, create a "new-utils" subdirectory and move my work
there.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'ubi-utils/new-utils/src/crc32.h')
-rw-r--r-- | ubi-utils/new-utils/src/crc32.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ubi-utils/new-utils/src/crc32.h b/ubi-utils/new-utils/src/crc32.h new file mode 100644 index 0000000..ee3145b --- /dev/null +++ b/ubi-utils/new-utils/src/crc32.h @@ -0,0 +1,19 @@ +#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 |