busybox/util-linux/rdev.c
Pere Orga 5bc8c005a8 move remaining help text from include/usage.src.h
Signed-off-by: Pere Orga <gotrunks@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2011-04-11 03:29:49 +02:00

34 lines
862 B
C

/* vi: set sw=4 ts=4: */
/*
* rdev - print device node associated with a filesystem
*
* Copyright (c) 2008 Nuovation System Designs, LLC
* Grant Erickson <gerickson@nuovations.com>
*
* Licensed under GPLv2, see file LICENSE in this source tree.
*
*/
//usage:#define rdev_trivial_usage
//usage: ""
//usage:#define rdev_full_usage "\n\n"
//usage: "Print the device node associated with the filesystem mounted at '/'"
//usage:
//usage:#define rdev_example_usage
//usage: "$ rdev\n"
//usage: "/dev/mtdblock9 /\n"
#include "libbb.h"
int rdev_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int rdev_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
char const * const root_device = find_block_device("/");
if (root_device != NULL) {
printf("%s /\n", root_device);
return EXIT_SUCCESS;
}
return EXIT_FAILURE;
}