1 files changed, 57 insertions, 8 deletions
diff --git a/coreutils/sleep.c b/coreutils/sleep.c
index 7bc98d8e8..506192dd3 100644
--- a/coreutils/sleep.c
+++ b/coreutils/sleep.c
@@ -1,8 +1,8 @@
 /* vi: set sw=4 ts=4: */
 /*
- * Mini sleep implementation for busybox
+ * sleep 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
@@ -20,18 +20,67 @@
  *
  */
 
-#include <stdio.h>
-#include <unistd.h>
+/* BB_AUDIT SUSv3 compliant */
+/* BB_AUDIT GNU issues -- fancy version matches except args must be ints. */
+/* http://www.opengroup.org/onlinepubs/007904975/utilities/sleep.html */
+
+/* Mar 16, 2003      Manuel Novoa III   (mjn3@codepoet.org)
+ *
+ * Rewritten to do proper arg and error checking.
+ * Also, added a 'fancy' configuration to accept multiple args with
+ * time suffixes for seconds, minutes, hours, and days.
+ */
+
 #include <stdlib.h>
+#include <limits.h>
+#include <unistd.h>
 #include "busybox.h"
 
+#ifdef CONFIG_FEATURE_FANCY_SLEEP
+static const struct suffix_mult sleep_suffixes[] = {
+	{ "s", 1 },
+	{ "m", 60 },
+	{ "h", 60*60 },
+	{ "d", 24*60*60 },
+	{ NULL, 0 }
+};
+#endif
+
 extern int sleep_main(int argc, char **argv)
 {
-	if ((argc < 2) || (**(argv + 1) == '-')) {
-		show_usage();
+	unsigned int duration;
+
+#ifdef CONFIG_FEATURE_FANCY_SLEEP
+
+	if (argc < 2) {
+		bb_show_usage();
+	}
+
+	++argv;
+	duration = 0;
+	do {
+		duration += bb_xgetularg_bnd_sfx(*argv, 10,
+										 0, UINT_MAX-duration,
+										 sleep_suffixes);
+	} while (*++argv);
+
+#else  /* CONFIG_FEATURE_FANCY_SLEEP */
+
+	if (argc != 2) {
+		bb_show_usage();
+	}
+
+#if UINT_MAX == ULONG_MAX
+	duration = bb_xgetularg10(argv[1]);
+#else
+	duration = bb_xgetularg10_bnd(argv[1], 0, UINT_MAX);
+#endif
+
+#endif /* CONFIG_FEATURE_FANCY_SLEEP */
+
+	if (sleep(duration)) {
+		bb_perror_nomsg_and_die();
 	}
 
-	if (sleep(atoi(*(++argv))) != 0)
-		perror_msg_and_die("sleep");
 	return EXIT_SUCCESS;
 }