From cc541830f00cc3238edb82ff2e14e8b9060645b6 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 19 May 2020 02:27:15 +0300
Subject: [PATCH] Add a refcount function to RefPtr

Sometimes it may be useful to check if there are any other users for the
data.
---
 source/core/refptr.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/core/refptr.h b/source/core/refptr.h
index d245b34..0328340 100644
--- a/source/core/refptr.h
+++ b/source/core/refptr.h
@@ -88,6 +88,8 @@ public:
 	T *operator->() const { return data; }
 	operator bool() const { return data!=0; }
 
+	unsigned refcount() const { return (data ? *count : 0); }
+
 	template<typename U>
 	static RefPtr<T> cast_dynamic(const RefPtr<U> &p)
 	{ return RefPtr<T>(dynamic_cast<T *>(p.data), p.count); }
-- 
2.43.0