1 files changed, 37 insertions, 0 deletions
diff --git a/sleep.c b/sleep.c
new file mode 100644
index 0000000..854b8df
--- /dev/null
+++ b/sleep.c
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: BSD-3-Clause */
+/*
+ * Copyright (C) 2022, 2023 Ferass El Hafidi <vitali64pmemail@protonmail.com>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+#define REQ_PRINT_USAGE /* Require print_usage() from common.h */
+#define REQ_ERRPRINT /* Require errprint() from common.h */
+#define DESCRIPTION "Suspend execution for an interval."
+#define OPERANDS    "time"
+#include "common.h"
+
+#ifdef FASESBOX
+int sleep_main(int argc, char *argv[]) {
+#else
+int main(int argc, char *argv[]) {
+#endif
+	long unsigned int seconds;
+	
+	if (argc == 2) {
+		seconds = strtol(argv[1], NULL, 10);
+		if (!seconds) {
+			print_usage(argv[0], DESCRIPTION, OPERANDS, VERSION);
+			return 1;
+		}
+		sleep(seconds);
+	}
+	else if (argc == 1) {
+		print_usage(argv[0], DESCRIPTION, OPERANDS, VERSION);
+		return 1;
+	}
+
+	return errprint(argv[0], NULL, errno);
+}