From 615f2ccd2fd34f46316458a476a432619cd874ff Mon Sep 17 00:00:00 2001
From: Giannis Adamopoulos <gadamopoulos@reactos.org>
Date: Mon, 19 Jun 2017 14:52:51 +0000
Subject: [PATCH] [ATL] -Add a new template called CComQIIDPtr and its partner
 I_ID macro. Its purpose is to be a gcc compatible version of CComQIPtr.
 -CComQIIDPtr<I_ID(Itype)> is the gcc compatible version of CComQIPtr<Itype> -
 WARNING: this is not tested yet.

svn path=/trunk/; revision=75129
---
 reactos/sdk/lib/atl/atlcomcli.h | 60 +++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/reactos/sdk/lib/atl/atlcomcli.h b/reactos/sdk/lib/atl/atlcomcli.h
index b7b8d0b0582..9c19e3371c4 100644
--- a/reactos/sdk/lib/atl/atlcomcli.h
+++ b/reactos/sdk/lib/atl/atlcomcli.h
@@ -149,6 +149,66 @@ public:
 };
 
 
+//CComQIIDPtr<I_ID(Itype)> is the gcc compatible version of CComQIPtr<Itype>
+#define I_ID(Itype) Itype,IID_##Itype
+
+template <class T, const IID* piid>
+class CComQIIDPtr : 
+    public CComPtr<T>
+{
+public:
+    CComQIIDPtr()
+    {
+    }
+    CComQIIDPtr(_Inout_opt_ T* lp) :
+        CComPtr<T>(lp)
+    {
+    }
+    CComQIIDPtr(_Inout_ const CComQIIDPtr<T,piid>& lp):
+        CComPtr<T>(lp.p)
+    {
+    }
+    CComQIIDPtr(_Inout_opt_ IUnknown* lp)
+    {
+        if (lp != NULL)
+        {
+            if (FAILED(lp->QueryInterface(*piid, (void **)&this.p)))
+                this.p = NULL;
+        }
+    }
+    T *operator = (T *lp)
+    {
+        if (this.p != NULL)
+            this.p->Release();
+        this.p = lp;
+        if (this.p != NULL)
+            this.p->AddRef();
+        return *this;
+    }
+
+    T *operator = (const CComQIIDPtr<T,piid> &lp)
+    {
+        if (this.p != NULL)
+            this.p->Release();
+        this.p = lp.p;
+        if (this.p != NULL)
+            this.p->AddRef();
+        return *this;
+    }
+
+    T * operator=(IUnknown* lp)
+    {
+        if (this.p != NULL)
+            this.p->Release();
+
+        if (FAILED(lp->QueryInterface(*piid, (void **)&this.p)))
+            this.p = NULL;
+
+        return *this;
+    }
+};
+
+
 class CComBSTR
 {
 public:
-- 
2.17.1