mac_dll.cpp
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #include <stdio.h>
- #include "dllacces.h"
- #include "hxassert.h"
- #include "hlxosstr.h"
- #include "platform/mac/maclibrary.h"
- static const char ErrLoadFailed[] = "Unable to load library";
- static const char ErrSymbolNotFound[] = "Symbol not found";
- class MacDLLAccess : public DLLAccessImp
- {
- public:
- MacDLLAccess();
- virtual ~MacDLLAccess();
- virtual int Open(const char* dllName);
- virtual int Close() ;
- virtual void* GetSymbol(const char* symbolName);
- virtual const char* GetErrorStr() const;
- virtual char* CreateVersionStr(const char* dllName) const;
- virtual void CreateName(const char* short_name, const char* long_name,
- char* out_buf, UINT32& out_buf_len,
- UINT32 nMajor, UINT32 nMinor);
- private:
- void* m_handle;
- const char* m_pErrorStr;
- };
- MacDLLAccess::MacDLLAccess() :
- m_handle(0)
- {}
- MacDLLAccess::~MacDLLAccess()
- {
- if (m_handle)
- {
- Close();
- }
- }
- int MacDLLAccess::Open(const char* dllName)
- {
- int ret = DLLAccess::NO_LOAD;
- if (m_handle)
- {
- Close();
- }
-
- m_handle = LoadLibrary(OS_STRING((const char*) dllName));
- if (m_handle)
- {
- ret = DLLAccess::DLL_OK;
- }
- else
- {
- m_pErrorStr = ErrLoadFailed;
- }
- return ret;
- }
- int MacDLLAccess::Close()
- {
- #if defined(_DEBUG)
- // if debug build, don't free library if "HXMemoryLeak" is enabled.
- // set \HKEY_CLASSES_ROOTHXMemoryLeak to "1" for mem leak debugging
- if (::HXDebugOptionEnabled("HXMemoryLeak")==FALSE)
- FreeLibrary(m_handle);
- #else
- FreeLibrary(m_handle);
- #endif
-
- m_handle = 0;
- return DLLAccess::DLL_OK;
- }
- void* MacDLLAccess::GetSymbol(const char* symbolName)
- {
- void* ret = GetProcAddress(m_handle, OS_STRING(symbolName));
- if (!ret)
- {
- m_pErrorStr = ErrSymbolNotFound;
- }
- return ret;
- }
- const char* MacDLLAccess::GetErrorStr() const
- {
- return m_pErrorStr;
- }
- char* MacDLLAccess::CreateVersionStr(const char* dllName) const
- {
- return 0;
- }
- void
- MacDLLAccess::CreateName
- (const char* short_name, const char* long_name,
- char* out_buf, UINT32& out_buf_len,
- UINT32 nMajor, UINT32 nMinor)
- {
- UINT32 long_name_len = strlen(long_name);
- out_buf[0] = 0;
-
- if (long_name_len + DLLAccess::EXTRA_BUF_LEN > out_buf_len)
- {
- HX_ASSERT(0);
- out_buf_len = 0;
- return;
- }
-
- #if defined(_CARBON) || defined(_MAC_UNIX)
- #ifdef _MAC_MACHO
- out_buf_len = sprintf(out_buf, "%s.bundle", long_name); /* Flawfinder: ignore */
- #else
- out_buf_len = sprintf(out_buf, "%s.shlb", long_name); /* Flawfinder: ignore */
- #endif
- #else
- out_buf_len = sprintf(out_buf, "%s.dll", long_name); /* Flawfinder: ignore */
- #endif
- }
- DLLAccessImp* DLLAccess::CreatePlatformDLLImp()
- {
- return new MacDLLAccess();
- }