From 7588cac2957f66c6f0e3f5fb5b691ecbb8f3e0b2 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Sun, 6 Jan 2019 10:07:23 -0500
Subject: Create an application-scope unique ID for each QPDF object

Use this instead of QPDF* as a map key for object_copiers.
---
 include/qpdf/QPDF.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/qpdf/QPDF.hh b/include/qpdf/QPDF.hh
index 120f3593..57e30383 100644
--- a/include/qpdf/QPDF.hh
+++ b/include/qpdf/QPDF.hh
@@ -1196,6 +1196,7 @@ class QPDF
         Members();
         Members(Members const&);
 
+        unsigned long long unique_id;
         QPDFTokenizer tokenizer;
         PointerHolder<InputSource> file;
         std::string last_object_description;
@@ -1216,7 +1217,7 @@ class QPDF
         std::map<QPDFObjGen, int> pageobj_to_pages_pos;
         bool pushed_inherited_attributes_to_pages;
         std::vector<QPDFExc> warnings;
-        std::map<QPDF*, ObjCopier> object_copiers;
+        std::map<unsigned long long, ObjCopier> object_copiers;
         PointerHolder<QPDFObjectHandle::StreamDataProvider> copied_streams;
         // copied_stream_data_provider is owned by copied_streams
         CopiedStreamDataProvider* copied_stream_data_provider;
-- 
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