From 4c17bc16b08dae95d035a0b8fbdd359316780dc6 Mon Sep 17 00:00:00 2001
From: Andreas Huggel <ahuggel@gmx.net>
Date: Wed, 2 Sep 2009 13:33:32 +0000
Subject: [PATCH] #647: Fixed type of offset which may be negative.

---
 src/tiffvisitor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/tiffvisitor.cpp b/src/tiffvisitor.cpp
index bfd30c02..07c7606a 100644
--- a/src/tiffvisitor.cpp
+++ b/src/tiffvisitor.cpp
@@ -1313,7 +1313,7 @@ namespace Exiv2 {
         }
         p += 4;
         uint32_t size = typeSize * count;
-        uint32_t offset = getLong(p, byteOrder());
+        int32_t offset = getLong(p, byteOrder());
         byte* pData = p;
         if (size > 4 && baseOffset() + offset >= size_) {
 #ifndef SUPPRESS_WARNINGS