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
28 losetup_main (int argc, char **argv)
32 /* This will need a "while(getopt()!=-1)" loop when we can have more than
33 one option, but for now we can't. */
34 switch(getopt(argc,argv, "do:")) {
36 /* detach takes exactly one argument */
38 return del_loop(argv[optind]) ? EXIT_SUCCESS : EXIT_FAILURE;
42 offset = bb_xparse_number (optarg, NULL);
43 /* Fall through to do the losetup */
45 /* losetup takes two argument:, loop_device and file */
47 return set_loop(&argv[optind], argv[optind + 1], offset)<0
48 ? EXIT_FAILURE : EXIT_SUCCESS;