hxdllldr.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxdllldr.cpp,v 1.2.42.3 2004/07/09 01:43:33 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 "hxtypes.h"
- #include "hlxclib/windows.h"
- #include "hxstrutl.h"
- #include "hxdllldr.h"
- LPHXDLLNode g_pHXDLLListHead = NULL;
- LPHXDLLNode g_pHXDLLListTail = NULL;
- HINSTANCE
- HXLoadLibrary(const char* pszDLL)
- {
- char* pszName = NULL;
- HINSTANCE hLib = NULL;
- LPHXDLLNode pDLLNode = NULL;
- if (!pszDLL)
- {
- goto cleanup;
- }
- pDLLNode = g_pHXDLLListHead;
- while (pDLLNode)
- {
- if (!strcasecmp(pDLLNode->pszName, pszDLL))
- {
- hLib = pDLLNode->hLib;
- break;
- }
- pDLLNode = (LPHXDLLNode)pDLLNode->next;
- }
- if (!hLib)
- {
- hLib = LoadLibrary(OS_STRING(pszDLL));
- if (hLib)
- {
- pszName = new char[strlen(pszDLL) + 1];
- strcpy(pszName, pszDLL); /* Flawfinder: ignore */
- pDLLNode = new HXDLLNode;
-
- pDLLNode->pszName = pszName;
- pDLLNode->hLib = hLib;
- pDLLNode->next = NULL;
- if (!g_pHXDLLListHead)
- {
- g_pHXDLLListHead = pDLLNode;
- g_pHXDLLListTail = g_pHXDLLListHead;
- }
- else
- {
- g_pHXDLLListTail->next = pDLLNode;
- g_pHXDLLListTail = pDLLNode;
- }
- }
- }
- cleanup:
- return hLib;
- }
- void
- HXFreeLibrary(const char* pszDLL)
- {
- // no-op
- // actual FreeLibrary() in Close()
- }
- void
- HXCloseLibrary(void)
- {
- HINSTANCE hLib = NULL;
- LPHXDLLNode pDLLNode = NULL;
- pDLLNode = g_pHXDLLListHead;
- while (pDLLNode)
- {
- g_pHXDLLListHead = (LPHXDLLNode)pDLLNode->next;
- HX_VECTOR_DELETE(pDLLNode->pszName);
- FreeLibrary(pDLLNode->hLib);
- HX_DELETE(pDLLNode);
- pDLLNode = g_pHXDLLListHead;
- }
- g_pHXDLLListHead = NULL;
- g_pHXDLLListTail = NULL;
- return;
- }