From 642c3c4e27609ce99946eaede49d234cad36a3e5 Mon Sep 17 00:00:00 2001
From: Steve Lhomme <robUx4@gmail.com>
Date: Fri, 21 Aug 2015 15:42:12 +0200
Subject: [PATCH] detect EOF when reading the element size, similar to when
 reading the element id

---
 src/EbmlElement.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/EbmlElement.cpp b/src/EbmlElement.cpp
index a091d93..39eb6f0 100644
--- a/src/EbmlElement.cpp
+++ b/src/EbmlElement.cpp
@@ -417,7 +417,10 @@ EbmlElement * EbmlElement::FindNextElement(IOCallback & DataStream, const EbmlSe
         bFound = false;
         break;
       }
-      ReadSize += DataStream.read(&PossibleIdNSize[SizeIdx++], 1);
+      if( DataStream.read( &PossibleIdNSize[SizeIdx++], 1 ) == 0 ) {
+        return NULL; // no more data ?
+      }
+      ReadSize++;
       PossibleSizeLength++;
     }