--- dialog-0.69.orig/dialog.c	Tue Jan 16 13:03:40 1996
+++ dialog-0.69/dialog.c	Mon May 20 23:02:03 2002
@@ -150,7 +150,7 @@
 	    break; /* not found */
     }
 
-    if (argc<3) {
+    if (argc<3 || !optPtr) {
         Usage (prgname);
 	exit(DIALOG_ERROR);
     }
--- dialog-0.69.orig/text.c	Tue Jan 16 11:34:35 1996
+++ dialog-0.69/text.c	Mon May 20 23:03:23 2002
@@ -35,10 +35,10 @@
 static char *buf, *page;
 
 /* Silly function, to remove duplicates */
-static int fatal(char *msg, int errno)
+static int fatal(char *msg, int error)
 {
   endwin();
-  fprintf(stderr,"dialog_textbox(): %s: %s\n",msg,strerror(errno));
+  fprintf(stderr,"dialog_textbox(): %s: %s\n",msg,strerror(error));
   exit(DIALOG_ERROR);
 }
 
--- dialog-0.69.orig/util.c	Tue Jan 16 11:34:35 1996
+++ dialog-0.69/util.c	Mon May 20 23:02:03 2002
@@ -239,8 +239,8 @@
 	/*
 	 * Ok, now fix width and height. Default to a margin of 3 on each side.
 	 */
-	if (desc->c_wid==0) desc->c_wid=-3;
-	if (desc->c_hei==0) desc->c_hei=-3;
+	if (desc->c_wid <= 0 || desc->c_wid > ws.ws_col) desc->c_wid=-3;
+	if (desc->c_hei <= 0 || desc->c_hei > ws.ws_row) desc->c_hei=-3;
 	
 	desc->wid=desc->c_wid; desc->hei=desc->c_hei;