XzCrc64.h
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XzCrc64.h
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	/* XzCrc64.h -- CRC64 calculation
	2010-04-16 : Igor Pavlov : Public domain */

	#ifndef __XZ_CRC64_H
	#define __XZ_CRC64_H

	#include <stddef.h>

	#include "Types.h"

	EXTERN_C_BEGIN

	extern UInt64 g_Crc64Table[];

	void MY_FAST_CALL Crc64GenerateTable(void);

	#define CRC64_INIT_VAL UINT64_CONST(0xFFFFFFFFFFFFFFFF)
	#define CRC64_GET_DIGEST(crc) ((crc) ^ CRC64_INIT_VAL)
	#define CRC64_UPDATE_BYTE(crc, b) (g_Crc64Table[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))

	UInt64 MY_FAST_CALL Crc64Update(UInt64 crc, const void *data, size_t size);
	UInt64 MY_FAST_CALL Crc64Calc(const void *data, size_t size);

	EXTERN_C_END

	#endif