1 files changed, 86 insertions, 0 deletions

diff --git a/busybox/coreutils/sleep.c b/busybox/coreutils/sleep.c
new file mode 100644
index 000000000..506192dd3
--- /dev/null
+++ b/busybox/coreutils/sleep.c
@@ -0,0 +1,86 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * sleep implementation for busybox
+ *
+ * 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
+ * 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
+ *
+ */
+
+/* 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)
+{
+        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();
+        }
+
+        return EXIT_SUCCESS;
+}