From fcc8bcbe63a4328c6223af5d1a6890722b4b58b9 Mon Sep 17 00:00:00 2001
From: Tim Terriberry <tterribe@xiph.org>
Date: Thu, 21 Oct 2010 18:33:59 +0000
Subject: [PATCH] Port r17545 from Tremor.

Check that floor0 books all have a value mapping.

svn path=/trunk/vorbis/; revision=17557
---
 lib/floor0.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/floor0.c b/lib/floor0.c
index adc2bcf..121a70b 100644
--- a/lib/floor0.c
+++ b/lib/floor0.c
@@ -91,6 +91,7 @@ static vorbis_info_floor *floor0_unpack (vorbis_info *vi,oggpack_buffer *opb){
   for(j=0;j<info->numbooks;j++){
     info->books[j]=oggpack_read(opb,8);
     if(info->books[j]<0 || info->books[j]>=ci->books)goto err_out;
+    if(ci->book_param[info->books[j]]->maptype==0)goto err_out;
   }
   return(info);
 
-- 
2.7.4