foo*sum: report I/O errors, don't merely exit with 1.

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

diff --git a/coreutils/false.c b/coreutils/false.c
index 5beb58a28a0b5b8dacbf29afb478b8ce31869adf..59c2f321ae3a44695d22d2fb10b791379acfc5e3 100644 (file)
--- a/coreutils/false.c
+++ b/coreutils/false.c
@@ -4,18 +4,28 @@
  *
  * 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/false.html */
+/* http://www.opengroup.org/onlinepubs/000095399/utilities/false.html */
+
+//usage:#define false_trivial_usage
+//usage:       ""
+//usage:#define false_full_usage "\n\n"
+//usage:       "Return an exit code of FALSE (1)"
+//usage:
+//usage:#define false_example_usage
+//usage:       "$ false\n"
+//usage:       "$ echo $?\n"
+//usage:       "1\n"
 
 #include "libbb.h"
 
 /* This is a NOFORK applet. Be very careful! */
 
 int false_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int false_main(int ATTRIBUTE_UNUSED argc, char ATTRIBUTE_UNUSED **argv)
+int false_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
 {
        return EXIT_FAILURE;
 }