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-rw-r--r--security/pkix/lib/ScopedPtr.h82
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diff --git a/security/pkix/lib/ScopedPtr.h b/security/pkix/lib/ScopedPtr.h
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--- a/security/pkix/lib/ScopedPtr.h
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-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* This code is made available to you under your choice of the following sets
- * of licensing terms:
- */
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/.
- */
-/* Copyright 2013 Mozilla Contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef mozilla_pkix_ScopedPtr_h
-#define mozilla_pkix_ScopedPtr_h
-
-namespace mozilla { namespace pkix {
-
-// A subset polyfill of std::unique_ptr that does not support move construction
-// or move assignment. This is used instead of std::unique_ptr because some
-// important toolchains still don't provide std::unique_ptr, including in
-// particular Android NDK projects with APP_STL=stlport_static or
-// ALL_STL=stlport_shared.
-template <typename T, void (&Destroyer)(T*)>
-class ScopedPtr final
-{
-public:
- explicit ScopedPtr(T* value = nullptr) : mValue(value) { }
-
- ScopedPtr(const ScopedPtr&) = delete;
-
- ~ScopedPtr()
- {
- if (mValue) {
- Destroyer(mValue);
- }
- }
-
- void operator=(const ScopedPtr&) = delete;
-
- T& operator*() const { return *mValue; }
- T* operator->() const { return mValue; }
-
- explicit operator bool() const { return mValue; }
-
- T* get() const { return mValue; }
-
- T* release()
- {
- T* result = mValue;
- mValue = nullptr;
- return result;
- }
-
- void reset(T* newValue = nullptr)
- {
- // The C++ standard requires std::unique_ptr to destroy the old value
- // pointed to by mValue, if any, *after* assigning the new value to mValue.
- T* oldValue = mValue;
- mValue = newValue;
- if (oldValue) {
- Destroyer(oldValue);
- }
- }
-
-private:
- T* mValue;
-};
-
-} } // namespace mozilla::pkix
-
-#endif // mozilla_pkix_ScopedPtr_h