/* vi: set sw=4 ts=4: */
/*
- * Mini sleep implementation for busybox
+ * sleep implementation for busybox
*
+ * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
- * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
- *
- * 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
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+/* 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 "internal.h"
-#include <stdio.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <unistd.h>
+#include "busybox.h"
-const char sleep_usage[] = "sleep N\n\n" "Pause for N seconds.\n";
+#ifdef CONFIG_FEATURE_FANCY_SLEEP
+static const struct suffix_mult sfx[] = {
+ { "s", 1 },
+ { "m", 60 },
+ { "h", 60*60 },
+ { "d", 24*60*60 },
+ { NULL, 0 }
+};
+#endif
-extern int sleep_main(int argc, char **argv)
+int sleep_main(int argc, char **argv);
+int sleep_main(int argc, char **argv)
{
- if ((argc < 2) || (**(argv + 1) == '-')) {
- usage(sleep_usage);
+ unsigned int duration;
+
+#ifdef CONFIG_FEATURE_FANCY_SLEEP
+
+ if (argc < 2) {
+ bb_show_usage();
+ }
+
+ ++argv;
+ duration = 0;
+ do {
+ duration += xatoul_range_sfx(*argv, 0, UINT_MAX-duration, sfx);
+ } while (*++argv);
+
+#else /* CONFIG_FEATURE_FANCY_SLEEP */
+
+ if (argc != 2) {
+ bb_show_usage();
+ }
+
+ duration = xatou(argv[1]);
+
+#endif /* CONFIG_FEATURE_FANCY_SLEEP */
+
+ if (sleep(duration)) {
+ bb_perror_nomsg_and_die();
}
- if (sleep(atoi(*(++argv))) != 0) {
- perror("sleep");
- exit(FALSE);
- } else
- exit(TRUE);
+ return EXIT_SUCCESS;
}