busybox/util-linux/findfs.c

/* vi: set sw=4 ts=4: */
/*
 * Support functions for mounting devices by label/uuid
 *
 * Copyright (C) 2006 by Jason Schoon <floydpink@gmail.com>
 * Some portions cribbed from e2fsprogs, util-linux, dosfstools
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include "libbb.h"
#include "volume_id.h"

int findfs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int findfs_main(int argc, char **argv)
{
	char *tmp = NULL;

	if (argc != 2)
		bb_show_usage();

	if (!strncmp(argv[1], "LABEL=", 6))
		tmp = get_devname_from_label(argv[1] + 6);
	else if (!strncmp(argv[1], "UUID=", 5))
		tmp = get_devname_from_uuid(argv[1] + 5);
	else if (!strncmp(argv[1], "/dev/", 5)) {
		/* Just pass a device name right through.  This might aid in some scripts
		being able to call this unconditionally */
		tmp = argv[1];
	} else
		bb_show_usage();

	if (tmp) {
		puts(tmp);
		return 0;
	}
	return 1;
}
1	/* vi: set sw=4 ts=4: */
2	/*
3	* Support functions for mounting devices by label/uuid
4	*
5	* Copyright (C) 2006 by Jason Schoon <floydpink@gmail.com>
6	* Some portions cribbed from e2fsprogs, util-linux, dosfstools
7	*
8	* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
9	*/
10
11	#include "libbb.h"
12	#include "volume_id.h"
13
14	int findfs_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
15	int findfs_main(int argc, char **argv)
16	{
17	char *tmp = NULL;
18
19	if (argc != 2)
20	bb_show_usage();
21
22	if (!strncmp(argv[1], "LABEL=", 6))
23	tmp = get_devname_from_label(argv[1] + 6);
24	else if (!strncmp(argv[1], "UUID=", 5))
25	tmp = get_devname_from_uuid(argv[1] + 5);
26	else if (!strncmp(argv[1], "/dev/", 5)) {
27	/* Just pass a device name right through. This might aid in some scripts
28	being able to call this unconditionally */
29	tmp = argv[1];
30	} else
31	bb_show_usage();
32
33	if (tmp) {
34	puts(tmp);
35	return 0;
36	}
37	return 1;
38	}