mariadb/storage/ndb/include/util/NdbAutoPtr.hpp
2014-01-06 10:52:35 +05:30

58 lines
1.7 KiB
C++

/* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef __NDB_AUTO_PTR_HPP
#define __NDB_AUTO_PTR_HPP
#include <ndb_global.h>
#include <my_sys.h>
template<typename T>
class NdbAutoPtr {
T * m_obj;
public:
NdbAutoPtr(T * obj = 0){ m_obj = obj;}
void reset(T * obj = 0) { if (m_obj) free(m_obj); m_obj = obj; }
~NdbAutoPtr() { if (m_obj) free(m_obj);}
};
template<typename T>
class NdbAutoObjPtr {
T * m_obj;
public:
NdbAutoObjPtr(T * obj = 0){ m_obj = obj;}
void reset(T * obj = 0) { if (m_obj) delete m_obj; m_obj = obj; }
~NdbAutoObjPtr() { if (m_obj) delete m_obj;}
};
template<typename T>
class NdbAutoObjArrayPtr {
T * m_obj;
public:
NdbAutoObjArrayPtr(T * obj = 0){ m_obj = obj;}
void reset(T * obj = 0) { if (m_obj) delete[] m_obj; m_obj = obj; }
~NdbAutoObjArrayPtr() { if (m_obj) delete[] m_obj;}
};
template<typename T>
class My_auto_ptr {
T * m_obj;
public:
My_auto_ptr(T * obj = 0){ m_obj = obj;}
void reset(T * obj = 0) { if (m_obj) my_free(m_obj); m_obj = obj; }
~My_auto_ptr() { if (m_obj) my_free(m_obj);}
};
#endif