From: Monty <xiphmont@xiph.org>
Date: Tue, 24 Jul 2007 01:08:23 +0000 (+0000)
Subject: Catch one bulletproofing oversight; only an app bug would trip it
X-Git-Tag: v1.3.3~317
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=424a865c5d1c020ed74873b06d715db8caa287cb;p=platform%2Fupstream%2Flibvorbis.git

Catch one bulletproofing oversight; only an app bug would trip it


svn path=/trunk/vorbis/; revision=13294
---

diff --git a/lib/vorbisfile.c b/lib/vorbisfile.c
index 6d6ec16..d878b4c 100644
--- a/lib/vorbisfile.c
+++ b/lib/vorbisfile.c
@@ -553,7 +553,7 @@ static int _open_seekable2(OggVorbis_File *vf){
   /* we're partially open and have a first link header state in
      storage in vf */
   /* we can seek, so set out learning all about this file */
-  if(vf->callbacks.seek_func){
+  if(vf->callbacks.seek_func && vf->callbacks.tell_func){
     (vf->callbacks.seek_func)(vf->datasource,0,SEEK_END);
     vf->offset=vf->end=(vf->callbacks.tell_func)(vf->datasource);
   }else{