GeneralsZeroHour/Generals/Code/GameEngine/Include/Common/crc.h

/*
**	Command & Conquer Generals(tm)
**	Copyright 2025 Electronic Arts Inc.
**
**	This program is free software: you can redistribute it and/or modify
**	it under the terms of the GNU General Public License as published by
**	the Free Software Foundation, either version 3 of the License, or
**	(at your option) any later version.
**
**	This program is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**	GNU General Public License for more details.
**
**	You should have received a copy of the GNU General Public License
**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

////////////////////////////////////////////////////////////////////////////////
//																																						//
//  (c) 2001-2003 Electronic Arts Inc.																				//
//																																						//
////////////////////////////////////////////////////////////////////////////////

// CRC.h ///////////////////////////////////////////////////////////////
// A class encapsulating CRC calculation
// Author: Matthew D. Campbell, October 2001

#pragma once

#ifndef _CRC_H_
#define _CRC_H_

#include "Lib/BaseType.h"
#include "winsock2.h" // for htonl

class CRC
{
public:
	CRC() { crc = 0; }

	void computeCRC( const void *buf, Int len );		///< Compute the CRC for a buffer, added into current CRC
	void clear( void ) { crc = 0; }									///< Clears the CRC to 0
//	UnsignedInt get( void ) { return htonl(crc); }	///< Get the combined CRC
	UnsignedInt get( void );

private:
	void addCRC( UnsignedByte val );									///< CRC a 4-byte block

	UnsignedInt crc;
};

#endif // _CRC_H_