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Diffstat (limited to 'release/src/router/busybox/miscutils/runlevel.c')
-rw-r--r--release/src/router/busybox/miscutils/runlevel.c43
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;
+}