Mercurial > illumos > onarm
view usr/src/cmd/man/src/util/nsgmls.src/include/Ptr.cxx @ 0:c9caec207d52 b86
Initial porting based on b86
author | Koji Uno <koji.uno@sun.com> |
---|---|
date | Tue, 02 Jun 2009 18:56:50 +0900 |
parents | |
children | 1a15d5aaf794 |
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// Copyright (c) 1994 James Clark // See the file COPYING for copying permission. #pragma ident "@(#)Ptr.cxx 1.4 00/07/17 SMI" #ifndef Ptr_DEF_INCLUDED #define Ptr_DEF_INCLUDED 1 #ifdef SP_NAMESPACE namespace SP_NAMESPACE { #endif template<class T> Ptr<T>::Ptr(T *ptr) : ptr_(ptr) { if (ptr_) ptr_->ref(); } template<class T> Ptr<T>::~Ptr() { if (ptr_) { if (ptr_->unref()) delete ptr_; ptr_ = 0; } } template<class T> Ptr<T>::Ptr(const Ptr<T> &p) : ptr_(p.ptr_) { if (p.ptr_) p.ptr_->ref(); } template<class T> Ptr<T> &Ptr<T>::operator=(const Ptr<T> &p) { if (p.ptr_) p.ptr_->ref(); if (ptr_ && ptr_->unref()) delete ptr_; ptr_ = p.ptr_; return *this; } template<class T> Ptr<T> &Ptr<T>::operator=(T *p) { if (p) p->ref(); if (ptr_ && ptr_->unref()) delete ptr_; ptr_ = p; return *this; } template<class T> void Ptr<T>::clear() { if (ptr_) { if (ptr_->unref()) delete ptr_; ptr_ = 0; } } #ifdef SP_NAMESPACE } #endif #endif /* not Ptr_DEF_INCLUDED */