From 3d50fca30f7809fdcf80196ce456d6d005eb3af9 Mon Sep 17 00:00:00 2001
From: jnemeth <jnemeth@NetBSD.org>
Date: Wed, 7 Jun 2006 09:24:26 +0000
Subject: prevent "stack" overflow

---
 atc/input.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'atc/input.c')

diff --git a/atc/input.c b/atc/input.c
index 64b202a1..2eef9053 100644
--- a/atc/input.c
+++ b/atc/input.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: input.c,v 1.19 2005/08/10 17:53:28 rpaulo Exp $	*/
+/*	$NetBSD: input.c,v 1.20 2006/06/07 09:24:26 jnemeth Exp $	*/
 
 /*-
  * Copyright (c) 1990, 1993
@@ -46,7 +46,7 @@
 #if 0
 static char sccsid[] = "@(#)input.c	8.1 (Berkeley) 5/31/93";
 #else
-__RCSID("$NetBSD: input.c,v 1.19 2005/08/10 17:53:28 rpaulo Exp $");
+__RCSID("$NetBSD: input.c,v 1.20 2006/06/07 09:24:26 jnemeth Exp $");
 #endif
 #endif /* not lint */
 
@@ -207,6 +207,7 @@ push(int ruleno, int ch)
 {
 	int	newstate, newpos;
 
+	assert(level < (MAXDEPTH - 1));
 	(void)sprintf(T_STR, st[T_STATE].rule[ruleno].str, tval);
 	T_RULE = ruleno;
 	T_CH = ch;
-- 
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