2 * Mini losetup implementation for busybox
4 * Copyright (C) 2002 Matt Kraai.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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 GNU
14 * General Public License for more details.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 int losetup_main (int argc, char **argv)
31 /* This will need a "while(getopt()!=-1)" loop when we can have more than
32 one option, but for now we can't. */
33 switch(getopt(argc,argv, "do:")) {
35 /* detach takes exactly one argument */
36 if(optind+1==argc && !del_loop(argv[optind])) return EXIT_SUCCESS;
38 bb_perror_msg_and_die("%s",argv[optind]);
41 offset = bb_xparse_number (optarg, NULL);
42 /* Fall through to do the losetup */
44 /* losetup takes two argument:, loop_device and file */
46 if(set_loop(&argv[optind], argv[optind + 1], offset)>=0)
51 char *s=query_loop(argv[optind]);
52 if (!s) goto die_failed;
53 printf("%s: %s\n",argv[optind],s);
54 if(ENABLE_FEATURE_CLEAN_UP) free(s);