# countedobj.cpp

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    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 }