From 2a8b1f57895e6cc20d6a1abd859472239a749d8c Mon Sep 17 00:00:00 2001
From: Dmitry-Me <wipedout@yandex.ru>
Date: Thu, 30 Apr 2015 14:58:57 +0300
Subject: [PATCH] Ensure file contents fit into size_t range

---
 tinyxml2.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tinyxml2.cpp b/tinyxml2.cpp
index 50bea56..03ce1b9 100755
--- a/tinyxml2.cpp
+++ b/tinyxml2.cpp
@@ -1846,6 +1846,12 @@ XMLError XMLDocument::LoadFile( FILE* fp )
         return _errorID;
     }
 
+    if ( filelength >= (size_t)-1 ) {
+        // Cannot handle files which won't fit in buffer together with null terminator
+        SetError( XML_ERROR_FILE_READ_ERROR, 0, 0 );
+        return _errorID;
+    }
+
     const size_t size = filelength;
     if ( size == 0 ) {
         SetError( XML_ERROR_EMPTY_DOCUMENT, 0, 0 );