$NetBSD: patch-af,v 1.1 2005/03/20 21:34:17 salo Exp $

--- pcalutil.c.orig	2000-02-09 17:06:23.000000000 +0100
+++ pcalutil.c	2005-03-20 22:26:14.000000000 +0100
@@ -1111,6 +1111,8 @@
 				else
 					ungetc(c2, fp);
 			}
+			/* Don't overflow the buffer */
+			if ( (cp - tmpbuf) < (LINSIZ -1))
 			*cp++ = c;
 		}