===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/sdiff/sdiff.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -c -r1.25 -r1.26
*** src/usr.bin/sdiff/sdiff.c	2009/06/07 13:06:02	1.25
--- src/usr.bin/sdiff/sdiff.c	2009/06/07 13:09:24	1.26
***************
*** 1,4 ****
! /*	$OpenBSD: sdiff.c,v 1.25 2009/06/07 13:06:02 ray Exp $ */
  
  /*
   * Written by Raymond Lai <ray@cyth.net>.
--- 1,4 ----
! /*	$OpenBSD: sdiff.c,v 1.26 2009/06/07 13:09:24 ray Exp $ */
  
  /*
   * Written by Raymond Lai <ray@cyth.net>.
***************
*** 250,256 ****
  	if (argc != 2)
  		usage();
  
! 	if ((tmpdir = getenv("TMPDIR")) == NULL)                       
  		tmpdir = _PATH_TMP;
  
  	filename1 = argv[0];
--- 250,256 ----
  	if (argc != 2)
  		usage();
  
! 	if ((tmpdir = getenv("TMPDIR")) == NULL || *tmpdir == '\0')                       
  		tmpdir = _PATH_TMP;
  
  	filename1 = argv[0];