7zCrc.c File Reference

#include "Precomp.h"
#include "7zCrc.h"
#include "CpuArch.h"

Macros
#define	kCrcPoly   0xEDB88320
#define	CRC_NUM_TABLES   9
#define	CRC_UPDATE_BYTE_2(crc, b)

Functions
UInt32 Z7_FASTCALL	CrcUpdateT1_BeT4 (UInt32 v, const void *data, size_t size, const UInt32 *table)
UInt32 Z7_FASTCALL	CrcUpdateT1_BeT8 (UInt32 v, const void *data, size_t size, const UInt32 *table)
UInt32 Z7_FASTCALL	CrcUpdateT4 (UInt32 v, const void *data, size_t size, const UInt32 *table)
UInt32 Z7_FASTCALL	CrcUpdateT8 (UInt32 v, const void *data, size_t size, const UInt32 *table)
UInt32 Z7_FASTCALL	CrcUpdate (UInt32 v, const void *data, size_t size)
UInt32 Z7_FASTCALL	CrcCalc (const void *data, size_t size)
UInt32 Z7_FASTCALL	CrcUpdateT1 (UInt32 v, const void *data, size_t size, const UInt32 *table)
void Z7_FASTCALL	CrcGenerateTable (void)

Variables
CRC_FUNC	g_CrcUpdateT8
CRC_FUNC	g_CrcUpdateT0_32
CRC_FUNC	g_CrcUpdateT0_64
CRC_FUNC	g_CrcUpdate
UInt32	g_CrcTable [256 *CRC_NUM_TABLES]

Macro Definition Documentation

CRC_NUM_TABLES

#define CRC_NUM_TABLES   9

CRC_UPDATE_BYTE_2

#define CRC_UPDATE_BYTE_2	(		crc,
			b )

Value:

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

kCrcPoly

#define kCrcPoly   0xEDB88320

Function Documentation

CrcCalc()

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

CrcGenerateTable()

void Z7_FASTCALL CrcGenerateTable

(

void

)

CrcUpdate()

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

CrcUpdateT1()

UInt32 Z7_FASTCALL CrcUpdateT1	(	UInt32	v,
		const void *	data,
		size_t	size,
		const UInt32 *	table )

CrcUpdateT1_BeT4()

UInt32 Z7_FASTCALL CrcUpdateT1_BeT4	(	UInt32	v,
		const void *	data,
		size_t	size,
		const UInt32 *	table )

CrcUpdateT1_BeT8()

UInt32 Z7_FASTCALL CrcUpdateT1_BeT8	(	UInt32	v,
		const void *	data,
		size_t	size,
		const UInt32 *	table )

CrcUpdateT4()

UInt32 Z7_FASTCALL CrcUpdateT4	(	UInt32	v,
		const void *	data,
		size_t	size,
		const UInt32 *	table )

CrcUpdateT8()

UInt32 Z7_FASTCALL CrcUpdateT8	(	UInt32	v,
		const void *	data,
		size_t	size,
		const UInt32 *	table )

Variable Documentation

g_CrcTable

UInt32 g_CrcTable[256 *CRC_NUM_TABLES]

g_CrcUpdate

CRC_FUNC g_CrcUpdate

g_CrcUpdateT0_32

CRC_FUNC g_CrcUpdateT0_32

g_CrcUpdateT0_64

CRC_FUNC g_CrcUpdateT0_64

g_CrcUpdateT8

CRC_FUNC g_CrcUpdateT8