From fc73c03963f717ae0aed66fb99339244af499bb5 Mon Sep 17 00:00:00 2001
From: Robin Watts <robin.watts@artifex.com>
Date: Tue, 15 Mar 2016 15:58:56 +0000
Subject: Make PDF objects ref changes memento-trackable.

---
 source/pdf/pdf-object.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'source')

diff --git a/source/pdf/pdf-object.c b/source/pdf/pdf-object.c
index 5ad50421..902b0645 100644
--- a/source/pdf/pdf-object.c
+++ b/source/pdf/pdf-object.c
@@ -197,7 +197,10 @@ pdf_obj *
 pdf_keep_obj(fz_context *ctx, pdf_obj *obj)
 {
 	if (obj >= PDF_OBJ__LIMIT)
+	{
+		Memento_takeRef(obj);
 		obj->refs ++;
+	}
 	return obj;
 }
 
@@ -1715,6 +1718,7 @@ pdf_drop_obj(fz_context *ctx, pdf_obj *obj)
 {
 	if (obj >= PDF_OBJ__LIMIT)
 	{
+		Memento_dropRef(obj);
 		if (--obj->refs)
 			return;
 		if (obj->kind == PDF_ARRAY)
-- 
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