From b810f6f611ea50a9e8b84277e8a2fab4a820d64c Mon Sep 17 00:00:00 2001
From: Ingo Schwarze <schwarze@openbsd.org>
Date: Mon, 15 Dec 2014 17:30:30 +0000
Subject: Catch localtime() failure for additional safety; patch from Jan Stary
 <hans at stare dot cz> some time ago.

---
 mandoc.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'mandoc.c')

diff --git a/mandoc.c b/mandoc.c
index 2ec179ea..cd26ff29 100644
--- a/mandoc.c
+++ b/mandoc.c
@@ -1,4 +1,4 @@
-/*	$Id: mandoc.c,v 1.88 2014/10/28 13:24:44 schwarze Exp $ */
+/*	$Id: mandoc.c,v 1.89 2014/12/15 17:30:30 schwarze Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
  * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -480,6 +480,8 @@ time2a(time_t t)
 	int		 isz;
 
 	tm = localtime(&t);
+	if (tm == NULL)
+		return(NULL);
 
 	/*
 	 * Reserve space:
-- 
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