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27 lines
626 B
C
27 lines
626 B
C
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/* XzCrc64.h -- CRC64 calculation
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2023-04-02 : Igor Pavlov : Public domain */
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#ifndef ZIP7_INC_XZ_CRC64_H
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#define ZIP7_INC_XZ_CRC64_H
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#include <stddef.h>
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#include "7zTypes.h"
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EXTERN_C_BEGIN
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extern UInt64 g_Crc64Table[];
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void Z7_FASTCALL Crc64GenerateTable(void);
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#define CRC64_INIT_VAL UINT64_CONST(0xFFFFFFFFFFFFFFFF)
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#define CRC64_GET_DIGEST(crc) ((crc) ^ CRC64_INIT_VAL)
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#define CRC64_UPDATE_BYTE(crc, b) (g_Crc64Table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))
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UInt64 Z7_FASTCALL Crc64Update(UInt64 crc, const void *data, size_t size);
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UInt64 Z7_FASTCALL Crc64Calc(const void *data, size_t size);
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EXTERN_C_END
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#endif
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