===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mandoc/mandoc.c,v
retrieving revision 1.56
retrieving revision 1.57
diff -c -r1.56 -r1.57
*** src/usr.bin/mandoc/mandoc.c	2014/11/28 19:25:03	1.56
--- src/usr.bin/mandoc/mandoc.c	2014/12/15 17:29:58	1.57
***************
*** 1,4 ****
! /*	$OpenBSD: mandoc.c,v 1.56 2014/11/28 19:25:03 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
--- 1,4 ----
! /*	$OpenBSD: mandoc.c,v 1.57 2014/12/15 17:29:58 schwarze Exp $ */
  /*
   * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
***************
*** 475,480 ****
--- 475,482 ----
  	int		 isz;
  
  	tm = localtime(&t);
+ 	if (tm == NULL)
+ 		return(NULL);
  
  	/*
  	 * Reserve space: