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

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LFeenanEA 2025-02-27 17:34:39 +00:00
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commit 3d0ee53a05
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GeneralsMD/Code/GameEngine/Source/Common/crc.cpp Normal file
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/*
** Command & Conquer Generals Zero Hour(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. //
// //
////////////////////////////////////////////////////////////////////////////////
#include "PreRTS.h" // This must go first in EVERY cpp file int the GameEngine
#include "Common/CRC.h"
#include "Common/Debug.h"
#ifdef _DEBUG
void CRC::addCRC( UnsignedByte val )
{
int hibit;
//cout << "\t\t" << hex << val;
// val = htonl(val);
//cout << " / " << hex << val <<endl;
if (crc & 0x80000000) {
hibit = 1;
} else {
hibit = 0;
}
crc <<= 1;
crc += val;
crc += hibit;
//cout << hex << (*crc) <<endl;
}
void CRC::computeCRC( const void *buf, Int len )
{
if (!buf || len < 1)
{
return;
}
//crc = 0;
UnsignedByte *uintPtr = (UnsignedByte *)buf;
for (int i=0 ; i<len ; i++) {
addCRC (*(uintPtr++));
}
//crc = htonl(crc);
}
//-------------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------------
UnsignedInt CRC::get( void )
{
UnsignedInt tcrc = crc;
return tcrc;
} // end skip
#endif