7#define CRC32POLY ((uint32)0x04C11DB7UL)
8#define CRC32REVPOLY ((uint32)0xEDB88320UL)
9#define CRC32INIT ((uint32)0xFFFFFFFFUL)
10#define CRC32POST ((uint32)0xFFFFFFFFUL)
12extern const uint32 crc32_table[256];
13#define crc32_update(C,D,L) gcrc32rfl((C),(D),(L),crc32_table)
14#define crc32_block(B,L) (crc32_update(CRC32INIT,(B),(L))^CRC32POST)