csutil/win32/cachedll.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2004 by Jorrit Tyberghein 00003 (C) 2004 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_UTIL_WIN32_CACHEDLL_H__ 00021 #define __CS_UTIL_WIN32_CACHEDLL_H__ 00022 00027 namespace CS 00028 { 00029 namespace Platform 00030 { 00031 namespace Win32 00032 { 00033 00046 class CacheDLL 00047 { 00048 const char* dllName; 00049 HMODULE dllHandle; 00050 public: 00051 CacheDLL (const char* dll) : dllName(dll), dllHandle (0) 00052 { 00053 } 00054 00055 ~CacheDLL () 00056 { 00057 if (dllHandle != 0) 00058 FreeLibrary (dllHandle); 00059 } 00060 00061 HMODULE GetHandle () 00062 { 00063 if (dllHandle == 0) 00064 dllHandle = LoadLibraryA (dllName); 00065 return dllHandle; 00066 } 00067 00068 operator HMODULE () 00069 { 00070 return GetHandle (); 00071 } 00072 }; 00073 00074 } // namespace CS 00075 } // namespace Platform 00076 } // namespace Win32 00077 00078 #endif // __CS_UTIL_WIN32_CACHEDLL_H__
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