mirror of
https://github.com/topjohnwu/ndk-busybox.git
synced 2024-11-25 12:49:54 +00:00
83788da250
* include/usage.h (losetup_trivial_usage, losetup_full_usage): New. * util-linux/Makefile: Add losetup.o. * util-linux/config.in: Add losetup prompt. * util-linux/losetup.c: New.
59 lines
1.4 KiB
C
59 lines
1.4 KiB
C
/*
|
|
* 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 = parse_number (optarg, NULL);
|
|
break;
|
|
|
|
default:
|
|
show_usage ();
|
|
}
|
|
|
|
if ((delete && (offset || optind + 1 != argc))
|
|
|| (!delete && optind + 2 != argc))
|
|
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;
|
|
}
|