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88 lines
945 B
C++
88 lines
945 B
C++
// auto_ptr.h
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// This file is (C) 2002-2003 Royce Mitchell III
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// and released under the LGPL & BSD licenses
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#ifndef AUTO_PTR_H
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#define AUTO_PTR_H
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template<class T>
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class auto_ptr
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{
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public:
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typedef T element_type;
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explicit auto_ptr(T *p = 0) : _p(p)
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{
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}
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auto_ptr(auto_ptr<T>& rhs) : _p(rhs.release())
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{
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}
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auto_ptr<T>& operator=(auto_ptr<T>& rhs)
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{
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if ( &rhs != this )
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{
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dispose();
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_p = rhs.release();
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}
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return *this;
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}
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auto_ptr<T>& set ( auto_ptr<T>& rhs )
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{
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if ( &rhs != this )
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{
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dispose();
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_p = rhs.release();
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}
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return *this;
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}
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~auto_ptr()
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{
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dispose();
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}
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void dispose()
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{
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if ( _p )
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{
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delete _p;
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_p = 0;
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}
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}
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T& operator[] ( int i )
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{
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return _p[i];
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}
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T& operator*() const
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{
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return *_p;
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}
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T* operator->() const
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{
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return _p;
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}
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T* get() const
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{
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return _p;
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}
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T* release()
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{
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T* p = _p;
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_p = 0;
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return p;
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}
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private:
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T* _p;
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};
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#endif//AUTO_PTR_H
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