mirror of
https://github.com/zerotier/ZeroTierOne.git
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51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
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/*
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* Copyright (c)2019 ZeroTier, Inc.
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*
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* Use of this software is governed by the Business Source License included
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* in the LICENSE.TXT file in the project's root directory.
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*
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* Change Date: 2023-01-01
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*
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* On the date above, in accordance with the Business Source License, use
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* of this software will be governed by version 2.0 of the Apache License.
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*/
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/****/
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#ifndef ZT_SCOPEDPTR_HPP
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#define ZT_SCOPEDPTR_HPP
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#include "Constants.hpp"
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namespace ZeroTier {
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/**
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* Simple scoped pointer
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*
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* This is used in the core to avoid requiring C++11 and because auto_ptr is weird.
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*/
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template<typename T>
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class ScopedPtr
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{
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public:
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ZT_ALWAYS_INLINE ScopedPtr(T *const p) : _p(p) {}
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ZT_ALWAYS_INLINE ~ScopedPtr() { delete _p; }
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ZT_ALWAYS_INLINE T *operator->() const { return _p; }
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ZT_ALWAYS_INLINE T &operator*() const { return *_p; }
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ZT_ALWAYS_INLINE operator bool() const { return (_p != (T *)0); }
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ZT_ALWAYS_INLINE T *ptr() const { return _p; }
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ZT_ALWAYS_INLINE bool operator==(const ScopedPtr &p) const { return (_p == p._p); }
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ZT_ALWAYS_INLINE bool operator!=(const ScopedPtr &p) const { return (_p != p._p); }
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ZT_ALWAYS_INLINE bool operator==(T *const p) const { return (_p == p); }
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ZT_ALWAYS_INLINE bool operator!=(T *const p) const { return (_p != p); }
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private:
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ZT_ALWAYS_INLINE ScopedPtr() {}
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T *const _p;
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};
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} // namespace ZeroTier
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#endif
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