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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * runlevel Prints out the previous and the current runlevel.
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| 4 | *
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| 5 | * Version: @(#)runlevel 1.20 16-Apr-1997 MvS
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| 6 | *
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| 7 | * This file is part of the sysvinit suite,
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| 8 | * Copyright 1991-1997 Miquel van Smoorenburg.
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| 9 | *
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| 10 | * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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| 11 | *
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| 12 | * initially busyboxified by Bernhard Fischer
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| 13 | */
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| 14 |
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| 15 | #include <utmp.h>
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[1765] | 16 | #include "libbb.h"
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[821] | 17 |
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[1765] | 18 | int runlevel_main(int argc, char **argv);
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| 19 | int runlevel_main(int argc, char **argv)
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[821] | 20 | {
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[1765] | 21 | struct utmp *ut;
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| 22 | char prev;
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[821] | 23 |
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[1765] | 24 | if (argc > 1) utmpname(argv[1]);
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[821] | 25 |
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[1765] | 26 | setutent();
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| 27 | while ((ut = getutent()) != NULL) {
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| 28 | if (ut->ut_type == RUN_LVL) {
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| 29 | prev = ut->ut_pid / 256;
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| 30 | if (prev == 0) prev = 'N';
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| 31 | printf("%c %c\n", prev, ut->ut_pid % 256);
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| 32 | if (ENABLE_FEATURE_CLEAN_UP)
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| 33 | endutent();
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| 34 | return 0;
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| 35 | }
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[821] | 36 | }
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| 37 |
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[1765] | 38 | puts("unknown");
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| 39 |
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| 40 | if (ENABLE_FEATURE_CLEAN_UP)
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| 41 | endutent();
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| 42 | return 1;
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[821] | 43 | }
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