NdbAutoPtr.hpp
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上传日期:2022-05-23
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文件大小:2k
- /* Copyright (C) 2003 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; either version 2 of the License, or
- (at your option) any later version.
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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,MYF(0)); m_obj = obj; }
- ~My_auto_ptr() { if (m_obj) my_free(m_obj,MYF(0));}
- };
- #endif