| 1 | /* XzCrc64.h -- CRC64 calculation\r |
| 2 | 2013-01-18 : Igor Pavlov : Public domain */\r |
| 3 | \r |
| 4 | #ifndef __XZ_CRC64_H\r |
| 5 | #define __XZ_CRC64_H\r |
| 6 | \r |
| 7 | #include <stddef.h>\r |
| 8 | \r |
| 9 | #include "7zTypes.h"\r |
| 10 | \r |
| 11 | EXTERN_C_BEGIN\r |
| 12 | \r |
| 13 | extern UInt64 g_Crc64Table[];\r |
| 14 | \r |
| 15 | void MY_FAST_CALL Crc64GenerateTable(void);\r |
| 16 | \r |
| 17 | #define CRC64_INIT_VAL UINT64_CONST(0xFFFFFFFFFFFFFFFF)\r |
| 18 | #define CRC64_GET_DIGEST(crc) ((crc) ^ CRC64_INIT_VAL)\r |
| 19 | #define CRC64_UPDATE_BYTE(crc, b) (g_Crc64Table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))\r |
| 20 | \r |
| 21 | UInt64 MY_FAST_CALL Crc64Update(UInt64 crc, const void *data, size_t size);\r |
| 22 | UInt64 MY_FAST_CALL Crc64Calc(const void *data, size_t size);\r |
| 23 | \r |
| 24 | EXTERN_C_END\r |
| 25 | \r |
| 26 | #endif\r |