mirror of
https://github.com/MariaDB/server.git
synced 2025-01-23 23:34:34 +01:00
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++
/*
|
|
Copyright (C) 2000-2007 MySQL AB
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; version 2 of the License.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to the
|
|
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
|
|
MA 02110-1301 USA.
|
|
*/
|
|
|
|
|
|
/* mySTL memory implements auto_ptr
|
|
*
|
|
*/
|
|
|
|
#ifndef mySTL_MEMORY_HPP
|
|
#define mySTL_MEMORY_HPP
|
|
|
|
#include "memory_array.hpp" // for auto_array
|
|
|
|
#ifdef _MSC_VER
|
|
// disable operator-> warning for builtins
|
|
#pragma warning(disable:4284)
|
|
#endif
|
|
|
|
|
|
namespace mySTL {
|
|
|
|
|
|
template<typename T>
|
|
struct auto_ptr_ref {
|
|
T* ptr_;
|
|
explicit auto_ptr_ref(T* p) : ptr_(p) {}
|
|
};
|
|
|
|
|
|
template<typename T>
|
|
class auto_ptr {
|
|
T* ptr_;
|
|
|
|
void Destroy()
|
|
{
|
|
#ifdef YASSL_LIB
|
|
yaSSL::ysDelete(ptr_);
|
|
#else
|
|
TaoCrypt::tcDelete(ptr_);
|
|
#endif
|
|
}
|
|
public:
|
|
explicit auto_ptr(T* p = 0) : ptr_(p) {}
|
|
|
|
~auto_ptr()
|
|
{
|
|
Destroy();
|
|
}
|
|
|
|
|
|
auto_ptr(auto_ptr& other) : ptr_(other.release()) {}
|
|
|
|
auto_ptr& operator=(auto_ptr& that)
|
|
{
|
|
if (this != &that) {
|
|
Destroy();
|
|
ptr_ = that.release();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
|
|
T* operator->() const
|
|
{
|
|
return ptr_;
|
|
}
|
|
|
|
T& operator*() const
|
|
{
|
|
return *ptr_;
|
|
}
|
|
|
|
T* get() const
|
|
{
|
|
return ptr_;
|
|
}
|
|
|
|
T* release()
|
|
{
|
|
T* tmp = ptr_;
|
|
ptr_ = 0;
|
|
return tmp;
|
|
}
|
|
|
|
void reset(T* p = 0)
|
|
{
|
|
if (ptr_ != p) {
|
|
Destroy();
|
|
ptr_ = p;
|
|
}
|
|
}
|
|
|
|
// auto_ptr_ref conversions
|
|
auto_ptr(auto_ptr_ref<T> ref) : ptr_(ref.ptr_) {}
|
|
|
|
auto_ptr& operator=(auto_ptr_ref<T> ref)
|
|
{
|
|
if (this->ptr_ != ref.ptr_) {
|
|
Destroy();
|
|
ptr_ = ref.ptr_;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template<typename T2>
|
|
operator auto_ptr<T2>()
|
|
{
|
|
return auto_ptr<T2>(this->release());
|
|
}
|
|
|
|
template<typename T2>
|
|
operator auto_ptr_ref<T2>()
|
|
{
|
|
return auto_ptr_ref<T2>(this->release());
|
|
}
|
|
};
|
|
|
|
|
|
} // namespace mySTL
|
|
|
|
#endif // mySTL_MEMORY_HPP
|