gecko/modules/lib7z/LZMASDK/C/7zCrc.h

31 lines
634 B
C

/* 7zCrc.h -- CRC32 calculation
2009-02-07 : Igor Pavlov : Public domain */
#ifndef __7Z_CRC_H
#define __7Z_CRC_H
#include <stddef.h>
#include "Types.h"
#ifdef __cplusplus
extern "C" {
#endif
extern UInt32 g_CrcTable[];
void MY_FAST_CALL CrcGenerateTable(void);
#define CRC_INIT_VAL 0xFFFFFFFF
#define CRC_GET_DIGEST(crc) ((crc) ^ 0xFFFFFFFF)
#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);
#ifdef __cplusplus
}
#endif
#endif