busybox/util-linux/findfs.c
2008-02-19 11:29:46 +00:00

39 lines
932 B
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;
}