From 3b9b6d0b8e7f798023c9d109c490449d528fde80 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 17:59:48 +0200
Subject: Adding upstream version 1:9.18.19.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/isc/stdtime.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 lib/isc/stdtime.c

(limited to 'lib/isc/stdtime.c')

diff --git a/lib/isc/stdtime.c b/lib/isc/stdtime.c
new file mode 100644
index 0000000..b7cec81
--- /dev/null
+++ b/lib/isc/stdtime.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h> /* NULL */
+#include <stdlib.h> /* NULL */
+#include <syslog.h>
+#include <time.h>
+
+#include <isc/stdtime.h>
+#include <isc/time.h>
+#include <isc/util.h>
+
+#if defined(CLOCK_REALTIME_COARSE)
+#define CLOCKSOURCE CLOCK_REALTIME_COARSE
+#elif defined(CLOCK_REALTIME_FAST)
+#define CLOCKSOURCE CLOCK_REALTIME_FAST
+#else /* if defined(CLOCK_REALTIME_COARSE) */
+#define CLOCKSOURCE CLOCK_REALTIME
+#endif /* if defined(CLOCK_REALTIME_COARSE) */
+
+void
+isc_stdtime_get(isc_stdtime_t *t) {
+	REQUIRE(t != NULL);
+
+	struct timespec ts;
+
+	if (clock_gettime(CLOCKSOURCE, &ts) == -1) {
+		FATAL_SYSERROR(errno, "clock_gettime()");
+	}
+
+	REQUIRE(ts.tv_sec > 0 && ts.tv_nsec >= 0 && ts.tv_nsec < NS_PER_SEC);
+
+	*t = (isc_stdtime_t)ts.tv_sec;
+}
+
+void
+isc_stdtime_tostring(isc_stdtime_t t, char *out, size_t outlen) {
+	time_t when;
+
+	REQUIRE(out != NULL);
+	REQUIRE(outlen >= 26);
+
+	UNUSED(outlen);
+
+	/* time_t and isc_stdtime_t might be different sizes */
+	when = t;
+	INSIST((ctime_r(&when, out) != NULL));
+	*(out + strlen(out) - 1) = '\0';
+}
-- 
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