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- /* 7zCrc.h -- CRC32 calculation
- 2013-01-18 : Igor Pavlov : Public domain */
- #ifndef __7Z_CRC_H
- #define __7Z_CRC_H
- #include "7zTypes.h"
- EXTERN_C_BEGIN
- extern UInt32 g_CrcTable[];
- /* Call CrcGenerateTable one time before other CRC functions */
- void MY_FAST_CALL CrcGenerateTable(void);
- #define CRC_INIT_VAL 0xFFFFFFFF
- #define CRC_GET_DIGEST(crc) ((crc) ^ CRC_INIT_VAL)
- #define CRC_UPDATE_BYTE(crc, b) (g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
- UInt32 MY_FAST_CALL CrcUpdate(UInt32 crc, const void *data, size_t size);
- UInt32 MY_FAST_CALL CrcCalc(const void *data, size_t size);
- EXTERN_C_END
- #endif
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