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From 2f8681e120d277e418941c4361c83b5028f67fd8 Mon Sep 17 00:00:00 2001
From: clanmills <robin@clanmills.com>
Date: Sat, 27 May 2017 10:18:17 +0100
Subject: [PATCH] #1296 Fix submitted.
---
src/tiffcomposite.cpp | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/tiffcomposite.cpp b/src/tiffcomposite.cpp
index c6b860d8..0c9b9c4a 100644
--- a/src/tiffcomposite.cpp
+++ b/src/tiffcomposite.cpp
@@ -1611,6 +1611,8 @@ namespace Exiv2 {
uint32_t TiffImageEntry::doWriteImage(IoWrapper& ioWrapper,
ByteOrder /*byteOrder*/) const
{
+ if ( !pValue() ) throw Error(21); // #1296
+
uint32_t len = pValue()->sizeDataArea();
if (len > 0) {
#ifdef DEBUG
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