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/*
* Mini losetup implementation for busybox
*
* Copyright (C) 2002 Matt Kraai.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <getopt.h>
#include <stdlib.h>
#include "busybox.h"
int
losetup_main (int argc, char **argv)
{
int delete = 0;
int offset = 0;
int opt;
while ((opt = getopt (argc, argv, "do:")) != -1)
switch (opt)
{
case 'd':
delete = 1;
break;
case 'o':
offset = bb_xparse_number (optarg, NULL);
break;
default:
bb_show_usage();
}
if ((delete && (offset || optind + 1 != argc))
|| (!delete && optind + 2 != argc))
bb_show_usage();
if (delete)
return del_loop (argv[optind]) ? EXIT_SUCCESS : EXIT_FAILURE;
else
return set_loop (argv[optind], argv[optind + 1], offset, &opt)
? EXIT_FAILURE : EXIT_SUCCESS;
}
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