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| 1 /* XzCrc64.h -- CRC64 calculation |
| 2 2010-04-16 : Igor Pavlov : Public domain */ |
| 3 |
| 4 #ifndef __XZ_CRC64_H |
| 5 #define __XZ_CRC64_H |
| 6 |
| 7 #include <stddef.h> |
| 8 |
| 9 #include "Types.h" |
| 10 |
| 11 EXTERN_C_BEGIN |
| 12 |
| 13 extern UInt64 g_Crc64Table[]; |
| 14 |
| 15 void MY_FAST_CALL Crc64GenerateTable(void); |
| 16 |
| 17 #define CRC64_INIT_VAL UINT64_CONST(0xFFFFFFFFFFFFFFFF) |
| 18 #define CRC64_GET_DIGEST(crc) ((crc) ^ CRC64_INIT_VAL) |
| 19 #define CRC64_UPDATE_BYTE(crc, b) (g_Crc64Table[((crc) ^ (b)) & 0xFF] ^ ((crc) >
> 8)) |
| 20 |
| 21 UInt64 MY_FAST_CALL Crc64Update(UInt64 crc, const void *data, size_t size); |
| 22 UInt64 MY_FAST_CALL Crc64Calc(const void *data, size_t size); |
| 23 |
| 24 EXTERN_C_END |
| 25 |
| 26 #endif |
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