fix no previous prototype warning

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

diff --git a/coreutils/usleep.c b/coreutils/usleep.c
index c67c365b8aa35f85091f9760e8bb9d06bbefe2de..9dd643f924688956e33a2901ee09f1b33586edd8 100644 (file)
--- a/coreutils/usleep.c
+++ b/coreutils/usleep.c
@@ -1,9 +1,8 @@
 /* vi: set sw=4 ts=4: */
 /*
- * Mini usleep implementation for busybox
+ * usleep implementation for busybox
  *
- *
- * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ * Copyright (C) 2003  Manuel Novoa III  <mjn3@codepoet.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -21,16 +20,22 @@
  *
  */
 
-#include "busybox.h"
+/* BB_AUDIT SUSv3 N/A -- Apparently a busybox extension. */
+
 #include <stdlib.h>
+#include <limits.h>
 #include <unistd.h>
+#include "busybox.h"
 
-extern int usleep_main(int argc, char **argv)
+int usleep_main(int argc, char **argv)
 {
-       if ((argc < 2) || (**(argv + 1) == '-')) {
-               show_usage();
+       if (argc != 2) {
+               bb_show_usage();
+       }
+
+       if (usleep(bb_xgetularg10_bnd(argv[1], 0, UINT_MAX))) {
+               bb_perror_nomsg_and_die();
        }
 
-       usleep(atoi(*(++argv)));        /* return void */
        return EXIT_SUCCESS;
 }