1 /* vi: set sw=4 ts=4: */
3 * Mini losetup implementation for busybox
5 * Copyright (C) 2002 Matt Kraai.
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
15 int losetup_main(int argc, char **argv)
21 opt = bb_getopt_ulflags(argc, argv, "do:", &opt_o);
25 if (opt == 0x3) bb_show_usage(); // -d and -o (illegal)
27 if (opt == 0x1) { // -d
28 /* detach takes exactly one argument */
31 if (!del_loop(argv[0]))
33 bb_perror_nomsg_and_die();
37 offset = bb_xparse_number(opt_o, NULL);
42 if (set_loop(&argv[0], argv[1], offset) < 0)
43 bb_perror_nomsg_and_die();
44 } else if (argc == 1) {
45 char *s = query_loop(argv[0]);
46 if (!s) bb_perror_nomsg_and_die();
47 printf("%s: %s\n", argv[0], s);
48 if (ENABLE_FEATURE_CLEAN_UP) free(s);