mirror of
https://git.busybox.net/busybox.git
synced 2024-12-01 01:23:32 +08:00
44 lines
856 B
C
44 lines
856 B
C
/* 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);
|
|
}
|
|
}
|
|
|
|
printf("unknown\n");
|
|
endutent();
|
|
return (1);
|
|
}
|
|
|