1 /* vi: set sw=4 ts=4: */
3 * Prints out the previous and the current runlevel.
5 * Version: @(#)runlevel 1.20 16-Apr-1997 MvS
7 * This file is part of the sysvinit suite,
8 * Copyright 1991-1997 Miquel van Smoorenburg.
10 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
12 * initially busyboxified by Bernhard Reutner-Fischer
15 //usage:#define runlevel_trivial_usage
17 //usage:#define runlevel_full_usage "\n\n"
18 //usage: "Find the current and previous system runlevel\n"
20 //usage: "If no utmp FILE exists or if no runlevel record can be found,\n"
21 //usage: "print \"unknown\""
23 //usage:#define runlevel_example_usage
24 //usage: "$ runlevel /var/run/utmp\n"
29 int runlevel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
30 int runlevel_main(int argc UNUSED_PARAM, char **argv)
35 if (argv[1]) utmpxname(argv[1]);
38 while ((ut = getutxent()) != NULL) {
39 if (ut->ut_type == RUN_LVL) {
40 prev = ut->ut_pid / 256;
41 if (prev == 0) prev = 'N';
42 printf("%c %c\n", prev, ut->ut_pid % 256);
43 if (ENABLE_FEATURE_CLEAN_UP)
51 if (ENABLE_FEATURE_CLEAN_UP)