1 /* 2 * wzdftpd - a modular and cool ftp server 3 * Copyright (C) 2002-2004 Pierre Chifflier 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License 7 * as published by the Free Software Foundation; either version 2 8 * of the License, or (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 18 * 19 * As a special exemption, Pierre Chifflier 20 * and other respective copyright holders give permission to link this program 21 * with OpenSSL, and distribute the resulting executable, without including 22 * the source code for OpenSSL in the source distribution. 23 */ 24 25 #ifndef __WZD_CRC32__ 26 #define __WZD_CRC32__ 27 28 /* Calculates the 32-bit checksum of fname, and stores the result 29 * in crc. Returns 0 on success, nonzero on error. 30 */ 31 int calc_crc32( const char *fname, unsigned long *crc, unsigned long startpos, unsigned long length ); 32 33 /* Calculates the 32-bit checksum of buffer, and stores the result 34 * in crc. Returns 0 on success, nonzero on error. 35 */ 36 int calc_crc32_buffer( const char *buffer, unsigned long *crc, unsigned long length ); 37 38 #endif /* __WZD_CRC32__ */ 39