ReChecker/common/crc.h
2022-09-25 00:01:43 +07:00

39 lines
1.0 KiB
C

/***
*
* Copyright (c) 1996-2002, Valve LLC. All rights reserved.
*
* This product contains software technology licensed from Id
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
* All Rights Reserved.
*
* Use, distribution, and modification of this source code and/or resulting
* object code is restricted to non-commercial enhancements to products from
* Valve LLC. All other use, distribution, or modification is prohibited
* without written permission from Valve LLC.
*
****/
/* crc.h */
#pragma once
#include "quakedef.h"
typedef unsigned int CRC32_t;
#ifdef __cplusplus
extern "C"
{
#endif
void CRC32_Init(CRC32_t *pulCRC);
CRC32_t CRC32_Final(CRC32_t pulCRC);
void CRC32_ProcessByte(CRC32_t *pulCRC, unsigned char ch);
void CRC32_ProcessBuffer(CRC32_t *pulCRC, void *pBuffer, int nBuffer);
BOOL CRC_File(CRC32_t *crcvalue, char *pszFileName);
#ifdef __cplusplus
}
#endif
byte COM_BlockSequenceCRCByte(byte *base, int length, int sequence);
int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName);