getty: fix for NOCTTY killing us with SIGHUP

[oweals/busybox.git] / coreutils / dirname.c

diff --git a/coreutils/dirname.c b/coreutils/dirname.c
index e986a9701b0bc8f848576e65be2e825b6e03bb19..101067c906a53803d8bdeea90957d5c64f0b2218 100644 (file)
--- a/coreutils/dirname.c
+++ b/coreutils/dirname.c
@@ -4,23 +4,30 @@
  *
  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
  *
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
 /* BB_AUDIT SUSv3 compliant */
 /* http://www.opengroup.org/onlinepubs/007904975/utilities/dirname.html */
 
-#include <stdio.h>
-#include <stdlib.h>
-#include "busybox.h"
+//usage:#define dirname_trivial_usage
+//usage:       "FILENAME"
+//usage:#define dirname_full_usage "\n\n"
+//usage:       "Strip non-directory suffix from FILENAME"
+//usage:
+//usage:#define dirname_example_usage
+//usage:       "$ dirname /tmp/foo\n"
+//usage:       "/tmp\n"
+//usage:       "$ dirname /tmp/foo/\n"
+//usage:       "/tmp\n"
 
-int dirname_main(int argc, char **argv)
-{
-       if (argc != 2) {
-               bb_show_usage();
-       }
+#include "libbb.h"
 
-       puts(dirname(argv[1]));
+/* This is a NOFORK applet. Be very careful! */
 
-       fflush_stdout_and_exit(EXIT_SUCCESS);
+int dirname_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int dirname_main(int argc UNUSED_PARAM, char **argv)
+{
+       puts(dirname(single_argv(argv)));
+       return fflush_all();
 }