--- diffutils-2.8.7/src/sdiff.c.orig	2004-04-12 07:44:35 +0000
+++ diffutils-2.8.7/src/sdiff.c	2005-05-17 12:58:44 +0000
@@ -990,13 +990,13 @@ edit (struct line_filter *left, char con
 	    int fd;
 
 	    if (tmpname)
-	      tmp = fopen (tmpname, "w");
-	    else
 	      {
-		if ((fd = temporary_file ()) < 0)
-		  perror_fatal ("mkstemp");
-		tmp = fdopen (fd, "w");
+		unlink (tmpname);
+		free (tmpname);
 	      }
+	    if ((fd = temporary_file ()) < 0)
+	      perror_fatal ("mkstemp");
+	    tmp = fdopen (fd, "w");
 
 	    if (! tmp)
 	      perror_fatal (tmpname);