===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/format.c,v
retrieving revision 1.173
retrieving revision 1.174
diff -c -r1.173 -r1.174
*** src/usr.bin/tmux/format.c	2019/03/13 18:09:12	1.173
--- src/usr.bin/tmux/format.c	2019/03/14 21:27:26	1.174
***************
*** 1,4 ****
! /* $OpenBSD: format.c,v 1.173 2019/03/13 18:09:12 nicm Exp $ */
  
  /*
   * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: format.c,v 1.174 2019/03/14 21:27:26 nicm Exp $ */
  
  /*
   * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 1482,1487 ****
--- 1482,1489 ----
  	if (fmt == NULL || *fmt == '\0')
  		return (xstrdup(""));
  
+ 	if (t == 0)
+ 		t = time(NULL);
  	tm = localtime(&t);
  
  	if (strftime(s, sizeof s, fmt, tm) == 0)