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751d00c47e
- Replace SawTooth copyright header with MySQL's - Bug#19209 Test 'rpl_openssl' hangs on Windows - Spurious "2013 Connection to server lost" errors fixed yaSSL doesn't close socket anymore, that is left to the application
136 lines
2.5 KiB
C++
136 lines
2.5 KiB
C++
/*
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Copyright (C) 2000-2007 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA.
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*/
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/* mySTL memory implements auto_ptr
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*
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*/
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#ifndef mySTL_MEMORY_HPP
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#define mySTL_MEMORY_HPP
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#include "memory_array.hpp" // for auto_array
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#ifdef _MSC_VER
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// disable operator-> warning for builtins
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#pragma warning(disable:4284)
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#endif
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namespace mySTL {
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template<typename T>
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struct auto_ptr_ref {
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T* ptr_;
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explicit auto_ptr_ref(T* p) : ptr_(p) {}
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};
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template<typename T>
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class auto_ptr {
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T* ptr_;
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void Destroy()
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{
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#ifdef YASSL_LIB
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yaSSL::ysDelete(ptr_);
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#else
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TaoCrypt::tcDelete(ptr_);
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#endif
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}
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public:
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explicit auto_ptr(T* p = 0) : ptr_(p) {}
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~auto_ptr()
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{
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Destroy();
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}
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auto_ptr(auto_ptr& other) : ptr_(other.release()) {}
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auto_ptr& operator=(auto_ptr& that)
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{
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if (this != &that) {
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Destroy();
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ptr_ = that.release();
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}
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return *this;
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}
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T* operator->() const
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{
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return ptr_;
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}
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T& operator*() const
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{
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return *ptr_;
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}
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T* get() const
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{
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return ptr_;
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}
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T* release()
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{
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T* tmp = ptr_;
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ptr_ = 0;
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return tmp;
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}
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void reset(T* p = 0)
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{
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if (ptr_ != p) {
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Destroy();
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ptr_ = p;
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}
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}
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// auto_ptr_ref conversions
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auto_ptr(auto_ptr_ref<T> ref) : ptr_(ref.ptr_) {}
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auto_ptr& operator=(auto_ptr_ref<T> ref)
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{
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if (this->ptr_ != ref.ptr_) {
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Destroy();
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ptr_ = ref.ptr_;
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}
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return *this;
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}
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template<typename T2>
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operator auto_ptr<T2>()
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{
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return auto_ptr<T2>(this->release());
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}
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template<typename T2>
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operator auto_ptr_ref<T2>()
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{
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return auto_ptr_ref<T2>(this->release());
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}
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};
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} // namespace mySTL
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#endif // mySTL_MEMORY_HPP
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