7zCrc.h File Reference

#include "7zTypes.h"

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Macros
#define	CRC_INIT_VAL   0xFFFFFFFF
#define	CRC_GET_DIGEST(crc)
#define	CRC_UPDATE_BYTE(crc, b)

Typedefs
typedef UInt32(Z7_FASTCALL *	CRC_FUNC) (UInt32 v, const void *data, size_t size, const UInt32 *table)

Functions
void Z7_FASTCALL	CrcGenerateTable (void)
UInt32 Z7_FASTCALL	CrcUpdate (UInt32 crc, const void *data, size_t size)
UInt32 Z7_FASTCALL	CrcCalc (const void *data, size_t size)

Variables
EXTERN_C_BEGIN UInt32	g_CrcTable []

Macro Definition Documentation

CRC_GET_DIGEST

#define CRC_GET_DIGEST

(

crc

)

Value:

((crc) ^ CRC_INIT_VAL)

CRC_INIT_VAL

#define CRC_INIT_VAL   0xFFFFFFFF

CRC_UPDATE_BYTE

#define CRC_UPDATE_BYTE	(		crc,
			b )

Value:

(g_CrcTable[((crc) ^ (b)) & 0xFF] ^ ((crc) >> 8))

Typedef Documentation

CRC_FUNC

typedef UInt32(Z7_FASTCALL * CRC_FUNC) (UInt32 v, const void *data, size_t size, const UInt32 *table)

Function Documentation

CrcCalc()

UInt32 Z7_FASTCALL CrcCalc	(	const void *	data,
		size_t	size )

CrcGenerateTable()

void Z7_FASTCALL CrcGenerateTable

(

void

)

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CrcUpdate()

UInt32 Z7_FASTCALL CrcUpdate	(	UInt32	crc,
		const void *	data,
		size_t	size )

Variable Documentation

g_CrcTable

EXTERN_C_BEGIN UInt32 g_CrcTable[]

extern