Initial commit of Command & Conquer Generals and Command & Conquer Generals Zero Hour source code.

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

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+/*
+**	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_