Contents of /tags/mkinitrd-6_1_4/busybox/miscutils/runlevel.c
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Wed Aug 5 16:25:39 2009 UTC (15 years, 1 month ago) by niro
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Wed Aug 5 16:25:39 2009 UTC (15 years, 1 month ago) by niro
File MIME type: text/plain
File size: 924 byte(s)
tagged 'mkinitrd-6_1_4'
1 | /* vi: set sw=4 ts=4: */ |
2 | /* |
3 | * runlevel Prints out the previous and the current runlevel. |
4 | * |
5 | * Version: @(#)runlevel 1.20 16-Apr-1997 MvS |
6 | * |
7 | * This file is part of the sysvinit suite, |
8 | * Copyright 1991-1997 Miquel van Smoorenburg. |
9 | * |
10 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball. |
11 | * |
12 | * initially busyboxified by Bernhard Reutner-Fischer |
13 | */ |
14 | |
15 | #include <utmp.h> |
16 | #include "libbb.h" |
17 | |
18 | int runlevel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; |
19 | int runlevel_main(int argc, char **argv) |
20 | { |
21 | struct utmp *ut; |
22 | char prev; |
23 | |
24 | if (argc > 1) utmpname(argv[1]); |
25 | |
26 | setutent(); |
27 | while ((ut = getutent()) != NULL) { |
28 | if (ut->ut_type == RUN_LVL) { |
29 | prev = ut->ut_pid / 256; |
30 | if (prev == 0) prev = 'N'; |
31 | printf("%c %c\n", prev, ut->ut_pid % 256); |
32 | if (ENABLE_FEATURE_CLEAN_UP) |
33 | endutent(); |
34 | return 0; |
35 | } |
36 | } |
37 | |
38 | puts("unknown"); |
39 | |
40 | if (ENABLE_FEATURE_CLEAN_UP) |
41 | endutent(); |
42 | return 1; |
43 | } |