From 5b121352c2b23857d845c0174607cbbf1ae38bce Mon Sep 17 00:00:00 2001
From: "Dirk-Jan C. Binnema" <djcb@djcbsoftware.nl>
Date: Mon, 7 Mar 2022 22:23:36 +0200
Subject: [PATCH] utils: Handle failing g_date_time_new_...

Possibly, this caused a crashed under some scenarios (though couldn't reproduce).
---
 lib/utils/mu-utils.cc | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/utils/mu-utils.cc b/lib/utils/mu-utils.cc
index 5afd7ab4..ee33518b 100644
--- a/lib/utils/mu-utils.cc
+++ b/lib/utils/mu-utils.cc
@@ -266,12 +266,18 @@ Mu::date_to_time_t_string(int64_t t)
 std::string
 Mu::time_to_string(const std::string& frm, time_t t, bool utc)
 {
-	GDateTime* dt = [&] {
+	GDateTime* dt = std::invoke([&] {
 		if (utc)
 			return g_date_time_new_from_unix_utc(t);
 		else
 			return g_date_time_new_from_unix_local(t);
-	}();
+	});
+
+	if (!dt) {
+		g_warning("time_t out of range: <%" G_GUINT64_FORMAT ">",
+			  static_cast<guint64>(t));
+		return {};
+	}
 
 	char* str = g_date_time_format(dt, frm.c_str());
 	g_date_time_unref(dt);