From 55be1042f93493112e984c8cecf03613c84e5876 Mon Sep 17 00:00:00 2001
From: Monty <xiphmont@xiph.org>
Date: Mon, 18 Oct 2010 09:52:01 +0000
Subject: The previous round of loosening the phrasebook checking to allow
 playback of some older (pre-1.0) files removed an [implicit] check against
 phrasebook dim being set to zero.  Reinstate as an explicit check.

git-svn-id: https://svn.xiph.org/trunk/Tremor@17542 0101bb08-14d6-0310-b084-bc0e0c8e3800
---
 res012.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/res012.c b/res012.c
index 19d81f3..18a2583 100644
--- a/res012.c
+++ b/res012.c
@@ -136,6 +136,7 @@ vorbis_info_residue *res0_unpack(vorbis_info *vi,oggpack_buffer *opb){
     int entries = ci->book_param[info->groupbook]->entries;
     int dim = ci->book_param[info->groupbook]->dim;
     int partvals = 1;
+    if (dim<1) goto errout;
     while(dim>0){
       partvals *= info->partitions;
       if(partvals > entries) goto errout;
-- 
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