1 /* 2 * Copyright (C) 2001, 2002, and 2003 Roy Keene 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 2 7 * of the License, or (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program; if not, write to the Free Software 16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 * 18 * email: dact@rkeene.org 19 */ 20 21 #include "dact.h" 22 #include "crc.h" 23 24 uint32_t ELFCRC(const uint32_t start, const unsigned char *name, const uint32_t n) { 25 uint32_t i,h,g; 26 27 h=start; 28 for (i=0;i<n;i++) { 29 h = (h << 4) + (*name++); 30 if ((g = (h & 0xf0000000))) 31 h ^= (g >> 24); 32 h &= ~g; 33 } 34 35 return(h); 36 } |