diff options
Diffstat (limited to 'release/src/router/busybox/miscutils/runlevel.c')
-rw-r--r-- | release/src/router/busybox/miscutils/runlevel.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/release/src/router/busybox/miscutils/runlevel.c b/release/src/router/busybox/miscutils/runlevel.c new file mode 100644 index 00000000..6e10d9cb --- /dev/null +++ b/release/src/router/busybox/miscutils/runlevel.c @@ -0,0 +1,43 @@ +/* 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 Reutner-Fischer + */ + +#include <utmp.h> +#include "libbb.h" + +int runlevel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; +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); + if (ENABLE_FEATURE_CLEAN_UP) + endutent(); + return 0; + } + } + + puts("unknown"); + + if (ENABLE_FEATURE_CLEAN_UP) + endutent(); + return 1; +} |