From 5187a3ec85f1a83cbde9e77227e215a2dbcfccb0 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sat, 17 Aug 2019 22:27:55 -0400
Subject: Shallow copy arrays without removing sparseness

---
 libqpdf/QPDFObjectHandle.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'libqpdf/QPDFObjectHandle.cc')

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index cd03ef1c..3fa0266c 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -2340,7 +2340,10 @@ QPDFObjectHandle::shallowCopy()
     if (isArray())
     {
 	QTC::TC("qpdf", "QPDFObjectHandle shallow copy array");
-	new_obj = newArray(getArrayAsVector());
+        // No newArray for shallow copying the sparse array
+        QPDF_Array* arr = dynamic_cast<QPDF_Array*>(m->obj.getPointer());
+        new_obj = QPDFObjectHandle(
+            new QPDF_Array(arr->getElementsForShallowCopy()));
     }
     else if (isDictionary())
     {
-- 
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