From ad9ffc62e6fac5c47f46eb96b39c614e32742eb5 Mon Sep 17 00:00:00 2001
From: Arnaud Bienner <arnaud.bienner@gmail.com>
Date: Sun, 7 Oct 2012 03:04:02 +0200
Subject: [PATCH] Consider FLAC file as being invalid if a 0 length block is
 found

---
 taglib/flac/flacfile.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/taglib/flac/flacfile.cpp b/taglib/flac/flacfile.cpp
index a02770a8..775fed90 100644
--- a/taglib/flac/flacfile.cpp
+++ b/taglib/flac/flacfile.cpp
@@ -425,7 +425,7 @@ void FLAC::File::scan()
     length = header.mid(1, 3).toUInt();
 
     ByteVector data = readBlock(length);
-    if(data.size() != length) {
+    if(data.size() != length || length == 0) {
       debug("FLAC::File::scan() -- FLAC stream corrupted");
       setValid(false);
       return;