/* 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
*
*/
-#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;
}