From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 18 May 2020 23:27:15 +0000 (+0300)
Subject: Add a refcount function to RefPtr
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=cc541830f00cc3238edb82ff2e14e8b9060645b6;p=libs%2Fcore.git

Add a refcount function to RefPtr

Sometimes it may be useful to check if there are any other users for the
data.
---

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); }