54 lines
1.7 KiB
C++
54 lines
1.7 KiB
C++
/*
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** Command & Conquer Generals(tm)
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** Copyright 2025 Electronic Arts Inc.
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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////////////////////////////////////////////////////////////////////////////////
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// //
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// (c) 2001-2003 Electronic Arts Inc. //
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// //
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////////////////////////////////////////////////////////////////////////////////
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// CRC.h ///////////////////////////////////////////////////////////////
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// A class encapsulating CRC calculation
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// Author: Matthew D. Campbell, October 2001
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#pragma once
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#ifndef _CRC_H_
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#define _CRC_H_
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#include "Lib/BaseType.h"
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#include "winsock2.h" // for htonl
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class CRC
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{
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public:
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CRC() { crc = 0; }
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void computeCRC( const void *buf, Int len ); ///< Compute the CRC for a buffer, added into current CRC
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void clear( void ) { crc = 0; } ///< Clears the CRC to 0
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// UnsignedInt get( void ) { return htonl(crc); } ///< Get the combined CRC
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UnsignedInt get( void );
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private:
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void addCRC( UnsignedByte val ); ///< CRC a 4-byte block
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UnsignedInt crc;
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};
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#endif // _CRC_H_
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