00001 /* $Id: countedobj.cpp 17248 2009-08-21 20:21:05Z rubidium $ */ 00002 00003 /* 00004 * This file is part of OpenTTD. 00005 * OpenTTD 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. 00006 * OpenTTD 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. 00007 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. 00008 */ 00009 00012 #include "../stdafx.h" 00013 00014 #include "countedptr.hpp" 00015 00016 int32 SimpleCountedObject::AddRef() 00017 { 00018 return ++m_ref_cnt; 00019 } 00020 00021 int32 SimpleCountedObject::Release() 00022 { 00023 int32 res = --m_ref_cnt; 00024 assert(res >= 0); 00025 if (res == 0) { 00026 FinalRelease(); 00027 delete this; 00028 } 00029 return res; 00030 }