1 /* 2 * Session utilities. 3 * 4 * Copyright (C) 2022 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include <stdio.h> 23 #include <stdlib.h> 24 #include <string.h> 25 #include <unistd.h> 26 27 #include "session.h" 28 29 30 31 /* Alternative metadata set by options. */ 32 33 struct metadata md; 34 35 /* Common buffer properties. */ 36 37 const int BUFSIZE = 4096; 38 39 40 41 /* Parse program options. */ 42 43 int parse_options(int argc, char *argv[]) 44 { 45 int opt; 46 47 md.have_uid = 0; 48 md.have_gid = 0; 49 md.mask = 0000; 50 51 while ((opt = getopt(argc, argv, "g:m:u:")) != -1) 52 { 53 switch (opt) 54 { 55 case 'g': 56 md.gid = atoi(optarg); 57 md.have_gid = 1; 58 break; 59 60 case 'm': 61 md.mask = strtol(optarg, NULL, 0); 62 break; 63 64 case 'u': 65 md.uid = atoi(optarg); 66 md.have_uid = 1; 67 break; 68 69 default: 70 fprintf(stderr, "Option not recognised: %s\n", argv[optind]); 71 return -1; 72 } 73 } 74 75 return 0; 76 } 77 78 /* vim: tabstop=4 expandtab shiftwidth=4 79 */