From 79d1d76509dbf6cf9c79f8eb55968535982975aa Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sun, 24 Mar 2019 19:06:17 +0800
Subject: ...

---
 src/util/com_util.hpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 src/util/com_util.hpp

(limited to 'src/util/com_util.hpp')

diff --git a/src/util/com_util.hpp b/src/util/com_util.hpp
new file mode 100644
index 00000000..bbaf1c27
--- /dev/null
+++ b/src/util/com_util.hpp
@@ -0,0 +1,22 @@
+#pragma once
+#include "pre.hpp"
+
+#include <memory>
+
+namespace cru::util {
+
+template <typename TInterface>
+std::shared_ptr<TInterface> CreateComSharedPtr(TInterface* p) {
+  return std::shared_ptr<TInterface>(p, [](TInterface* ptr) {
+    if (ptr != nullptr) ptr->Release();
+  });
+}
+
+template <class TInterface>
+void SafeRelease(TInterface*& p) {
+  if (p != nullptr) {
+    p->Release();
+    p = nullptr;
+  }
+}
+}  // namespace cru::util
-- 
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