/* * * 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 2 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, write to the Free Software Foundation, * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * In addition, as a special exception, the author gives permission to * link the code of this program with the Half-Life Game Engine ("HL * Engine") and Modified Game Libraries ("MODs") developed by Valve, * L.L.C ("Valve"). You must obey the GNU General Public License in all * respects for all of the code used other than the HL Engine and MODs * from Valve. If you modify this file, you may extend this exception * to your version of the file, but you are not obligated to do so. If * you do not wish to do so, delete this exception statement from your * version. * */ #ifndef SIMPLE_CHECKSUM_H #define SIMPLE_CHECKSUM_H #ifdef _WIN32 #pragma once #endif // Compute a simple checksum for the given data. // Each byte in the data is multiplied by its position to track re-ordering changes /* <4a799e> ../game_shared/simple_checksum.h:12 */ inline unsigned int ComputeSimpleChecksum(const unsigned char *dataPointer, int dataLength) { unsigned int checksum = 0; for (int i = 1; i <= dataLength; i++) { checksum += (*dataPointer) * i; ++dataPointer; } return checksum; } #endif // SIMPLE_CHECKSUM_H