/* * 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 (C) 1991-1997 Miquel van Smoorenburg. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include "runlevellog.h" int main(argc, argv) int argc; char **argv; { struct utmp *ut; char prev; int status, runlevel; 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(); exit(0); } } endutent(); status = Read_Runlevel_Log(&runlevel); if (status) { printf("N %c\n", runlevel); return 0; } printf("unknown\n"); return(1); }