147 lines
4.8 KiB
C++
147 lines
4.8 KiB
C++
/*************************************************************************
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*
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* $RCSfile: GetLongPathName.cpp,v $
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*
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* $Revision: 1.3 $
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*
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* last change: $Author: hro $ $Date: 2002-08-26 13:43:20 $
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*
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* The Contents of this file are made available subject to the terms of
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* either of the following licenses
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*
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* - GNU Lesser General Public License Version 2.1
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* - Sun Industry Standards Source License Version 1.1
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*
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* Sun Microsystems Inc., October, 2000
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2000 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*
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* Sun Industry Standards Source License Version 1.1
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* =================================================
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* The contents of this file are subject to the Sun Industry Standards
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* Source License Version 1.1 (the "License"); You may not use this file
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* except in compliance with the License. You may obtain a copy of the
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* License at http://www.openoffice.org/license.html.
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*
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* Software provided under this License is provided on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
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* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
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* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
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* See the License for the specific provisions governing your rights and
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* obligations concerning the Software.
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*
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* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
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*
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* Copyright: 2000 by Sun Microsystems, Inc.
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*
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* All Rights Reserved.
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*
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* Contributor(s): _______________________________________
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*
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*
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************************************************************************/
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{
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DWORD dwResult = 0; // Assume failure
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if ( IsBadStringPtr( lpShortPath, MAX_PATH ) )
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{
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SetLastError( ERROR_INVALID_PARAMETER );
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return dwResult;
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}
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// Assume a not existing buffer means a bufsize of zero
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if ( !lpLongPath )
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cchBuffer = 0;
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if ( _tcslen( lpShortPath ) == 2 && lpShortPath[1] == ':' )
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{
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_tcscpy( lpLongPath, lpShortPath );
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dwResult = _tcslen( lpLongPath );
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}
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else
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{
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HANDLE hFind;
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WIN32_FIND_DATA aFindFileData;
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if ( lpShortPath[_tcslen(lpShortPath)-1] == '\\' )
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{
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TCHAR szFilePath[MAX_PATH];
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_tcscpy( szFilePath, lpShortPath );
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_tcscat( szFilePath, TEXT("*.*") );
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hFind = FindFirstFile( szFilePath, &aFindFileData );;
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aFindFileData.cFileName[0] = 0;
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}
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else
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{
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hFind = FindFirstFile( lpShortPath, &aFindFileData );
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if ( !IsValidHandle( hFind ) )
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{
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TCHAR szFilePath[MAX_PATH];
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_tcscpy( szFilePath, lpShortPath );
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_tcscat( szFilePath, TEXT("\\*.*") );
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hFind = FindFirstFile( szFilePath, &aFindFileData );;
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aFindFileData.cFileName[0] = 0;
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}
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}
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if ( IsValidHandle( hFind ) )
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{
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FindClose( hFind );
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LPCTSTR lpLastSlash = _tcsrchr( lpShortPath, '\\' );
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if ( lpLastSlash )
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{
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int nParentLen = lpLastSlash - lpShortPath;
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LPTSTR lpParentPath = (LPTSTR)_alloca( (nParentLen + 1) * sizeof(TCHAR) );
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CopyMemory( lpParentPath, lpShortPath, nParentLen * sizeof(TCHAR) );
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lpParentPath[nParentLen] = 0;
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dwResult = GetLongPathName( lpParentPath, lpLongPath, cchBuffer );
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if ( !dwResult )
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_tcscpy( lpLongPath, lpParentPath );
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}
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else
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{
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_tcscpy( lpLongPath, lpShortPath );
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dwResult = _tcslen( lpLongPath );
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}
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if ( dwResult < cchBuffer )
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{
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_tcscat( lpLongPath, TEXT("\\") );
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_tcscat( lpLongPath, aFindFileData.cFileName );
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dwResult = _tcslen( lpLongPath );
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}
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else
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dwResult += _tcslen( aFindFileData.cFileName ) + 1;
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}
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}
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return dwResult;
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}
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