libspl: print_timestamp: use localtime_r()

Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Ahelenia Ziemiańska <[email protected]> Closes openzfs#13284
andrewc12 · Sep 23, 2022 · d72b66e · d72b66e
1 parent 2eda086
commit d72b66e
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/lib/libspl/timestamp.c b/lib/libspl/timestamp.c
@@ -44,7 +44,7 @@ void
 print_timestamp(uint_t timestamp_fmt)
 {
 	time_t t = time(NULL);
-	static char *fmt = NULL;
+	static const char *fmt = NULL;
 
 	/* We only need to retrieve this once per invocation */
 	if (fmt == NULL)
@@ -54,9 +54,10 @@ print_timestamp(uint_t timestamp_fmt)
 		(void) printf("%lld\n", (longlong_t)t);
 	} else if (timestamp_fmt == DDATE) {
 		char dstr[64];
+		struct tm tm;
 		int len;
 
-		len = strftime(dstr, sizeof (dstr), fmt, localtime(&t));
+		len = strftime(dstr, sizeof (dstr), fmt, localtime_r(&t, &tm));
 		if (len > 0)
 			(void) printf("%s\n", dstr);
 	}