/* vi: set sw=4 ts=4: */ /* * runlevel Prints out the previous and the current runlevel. * * Version: @(#)runlevel 1.20 16-Apr-1997 MvS * * This file is part of the sysvinit suite, * Copyright 1991-1997 Miquel van Smoorenburg. * * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. * * initially busyboxified by Bernhard Fischer */ #include "busybox.h" #include <stdio.h> #include <utmp.h> #include <time.h> #include <stdlib.h> int runlevel_main(int argc, char *argv[]) { struct utmp *ut; char prev; if (argc > 1) utmpname(argv[1]); setutent(); while ((ut = getutent()) != NULL) { if (ut->ut_type == RUN_LVL) { prev = ut->ut_pid / 256; if (prev == 0) prev = 'N'; printf("%c %c\n", prev, ut->ut_pid % 256); endutent(); return 0; } } puts("unknown"); endutent(); return 1; }