dllpath.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: dllpath.cpp,v 1.7.28.3 2004/07/09 01:44:03 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 "hlxclib/stdlib.h"
- #include "hlxclib/stdio.h"
- #include "dllpath.h"
- #include "hxdir.h"
- #ifdef _MACINTOSH
- #include "maclibrary.h"
- #endif
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- const char* const DLLAccessPath::zm_pszDllTypeNames[DLLTYPE_NUMBER] =
- {
- "DT_NotDef", // Arbitrary DLLs
- "DT_Plugins", // Plug-ins
- "DT_Codecs", // Codecs
- "DT_EncSDK", // Encoder SDK DLLs
- "DT_Common", // Common libraries
- "DT_Update_OB", // Setup/Upgrade libraries
- "DT_Objbrokr", // Special entry for the object broker
- "DT_RCAPlugins" // Gemini plugins
- };
- DLLAccessPath::DLLAccessPath()
- : m_lRefCount(0)
- {
- }
- DLLAccessPath::~DLLAccessPath()
- {
- RestoreEnvironment();
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // AddRef
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) DLLAccessPath::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // Release
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) DLLAccessPath::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- HX_RESULT
- DLLAccessPath::SetAccessPaths(const char* pPathDescriptor)
- {
- CHXString strNameValue;
- HX_RESULT theError = HXR_OK;
-
- if(pPathDescriptor)
- strNameValue = pPathDescriptor;
- while(theError == HXR_OK && !strNameValue.IsEmpty())
- {
- int nIndex = strNameValue.Find('=');
- if(nIndex != -1)
- {
- theError = SetPath(strNameValue.Left(nIndex),
- strNameValue.Right(strNameValue.GetLength() - nIndex - 1));
- }
- pPathDescriptor += strNameValue.GetLength() + 1;
- strNameValue = pPathDescriptor;
- }
- return theError;
- }
- HX_RESULT
- DLLAccessPath::SetPath(UINT16 nLibType, const char* szPath)
- {
- if(nLibType >= DLLTYPE_NUMBER)
- return HXR_FAILED;
- return SetPath(zm_pszDllTypeNames[nLibType], szPath);
- }
- HX_RESULT
- DLLAccessPath::SetPath(const char* szLibType, const char* szPath)
- {
- if(szPath)
- {
- CHXString strPath = szPath;
- if(!strPath.IsEmpty())
- {
- #ifdef _MACINTOSH
- ResolveIndependentPath(strPath);
- #endif
- if(strPath.GetAt(strPath.GetLength() - 1) != OS_SEPARATOR_CHAR)
- strPath += OS_SEPARATOR_STRING;
-
- m_mapPathes.SetAt(szLibType, strPath);
- }
- }
- return HXR_OK;
- }
- const char*
- DLLAccessPath::GetPath(UINT16 nLibType)
- {
- if(nLibType >= DLLTYPE_NUMBER)
- return NULL;
- return GetPath(zm_pszDllTypeNames[nLibType]);
- }
- const char*
- DLLAccessPath::GetPath(const char* szLibType)
- {
- CHXString strTemp;
- if(!m_mapPathes.Lookup(szLibType, strTemp))
- return NULL;
- return(const char*)m_mapPathes[szLibType];
- }
- HX_RESULT
- DLLAccessPath::PassDLLAccessPath(FPSETDLLACCESSPATH pSetDLLAccessPath)
- {
- POSITION pos = m_mapPathes.GetStartPosition();
- UINT32 nBufLength = 0;
- while(pos)
- {
- CHXString strLibType, strPath;
- m_mapPathes.GetNextAssoc(pos, strLibType, strPath);
- nBufLength += strLibType.GetLength() + strPath.GetLength() + 2;
- }
- if(!nBufLength)
- return HXR_OK;
- nBufLength++;
- char* pBuffer = new char[nBufLength];
- if(!pBuffer)
- return HXR_FAILED;
- pos = m_mapPathes.GetStartPosition();
- UINT32 nPosition = 0;
- while(pos)
- {
- CHXString strLibType, strPath;
- m_mapPathes.GetNextAssoc(pos, strLibType, strPath);
- CHXString strEntry = strLibType + "=" + strPath;
- UINT32 ulBytesToCopy = strEntry.GetLength() + 1;
- memcpy(pBuffer + nPosition, (const char*)strEntry,
- (ulBytesToCopy <= nBufLength - nPosition ? ulBytesToCopy : nBufLength - nPosition));
- nPosition += strEntry.GetLength() + 1;
- }
- pBuffer[nPosition] = 0;
- HX_ASSERT(nPosition + 1 == nBufLength);
- pSetDLLAccessPath(pBuffer);
- delete[] pBuffer;
- return HXR_OK;
- }
- HX_RESULT
- DLLAccessPath::AddPathToEnvironment(const char* szPath)
- {
- HX_RESULT theError = HXR_OK;
- #if !defined(_MACINTOSH) && !defined(WIN32_PLATFORM_PSPC)
- if(szPath)
- {
- char* pPathEnvVar = getenv("PATH");
- CHXString strPathEnvVar;
- if(pPathEnvVar)
- strPathEnvVar = pPathEnvVar;
-
- if(m_strPathEnvVar.IsEmpty())
- m_strPathEnvVar = "PATH=" + strPathEnvVar;
- CHXString strResultPath = "PATH=";
- strResultPath += szPath;
- if(!strPathEnvVar.IsEmpty())
- {
- strResultPath += ";";
- strResultPath += strPathEnvVar;
- }
- #if defined (_AIX) || defined (_LINUX)
- {
- char *ptr = (char *) ((const char *)strResultPath);
- if(putenv(ptr))
- theError = HXR_FAILED;
- }
- #elif defined (_SOLARIS)
- if(putenv((char *)(const char*)strResultPath))
- theError = HXR_FAILED;
- #else
- if(putenv((const char *)strResultPath))
- theError = HXR_FAILED;
- #endif
- }
- #endif
- return theError;
- }
- HX_RESULT
- DLLAccessPath::RestoreEnvironment()
- {
- HX_RESULT theError = HXR_OK;
- #if !defined(_MACINTOSH) && !defined(WIN32_PLATFORM_PSPC)
- if(!m_strPathEnvVar.IsEmpty())
- {
- #if defined(_AIX) || defined(_LINUX)
- char *ptr = (char *)((const char *)m_strPathEnvVar);
- if(putenv(ptr))
- theError = HXR_FAILED;
- #elif defined (_SOLARIS)
- if(putenv((char*)(const char *)m_strPathEnvVar))
- theError = HXR_FAILED;
- #else
- if(putenv((const char *)m_strPathEnvVar))
- theError = HXR_FAILED;
- #endif
- m_strPathEnvVar.Empty();
- }
- #endif
- return theError;
- }
- const char*
- DLLAccessPath::GetLibTypeName(UINT16 nLibType)
- {
- if(nLibType >= DLLTYPE_NUMBER)
- return NULL;
- return zm_pszDllTypeNames[nLibType];
- }