From: Amos Jeffries <yadij@users.noreply.github.com>
Date: Fri, 18 Aug 2023 00:39:36 +0000 (+0000)
Subject: Define RefCount nullptr assignment operator (#1459)
X-Git-Tag: SQUID_7_0_1~367
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=da200536aa0cf5d86d49617085cc0f221ae2a402;p=thirdparty%2Fsquid.git

Define RefCount nullptr assignment operator (#1459)

If RefCount(C*) constructor becomes private, this change
will be needed to use 'foo=nullptr' syntax to clear a Pointer.
---

diff --git a/src/base/RefCount.h b/src/base/RefCount.h
index 60d8c2093c..782b9b52da 100644
--- a/src/base/RefCount.h
+++ b/src/base/RefCount.h
@@ -66,6 +66,8 @@ public:
         return *this;
     }
 
+    RefCount &operator =(std::nullptr_t) { dereference(); return *this; }
+
     explicit operator bool() const { return p_; }
 
     bool operator !() const { return !p_; }