Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <osl/file.h>
      21             : #include <sal/macros.h>
      22             : 
      23             : #if defined( UNX)
      24             : 
      25             : #include <stdio.h>
      26             : #include <string.h>
      27             : #include <osl/thread.h>
      28             : 
      29           0 : oslFileError SAL_CALL my_getTempDirURL( rtl_uString** pustrTempDir )
      30             : {
      31           0 :     const char *pValue = getenv( "TEMP" );
      32             : 
      33           0 :     if ( !pValue )
      34             :     {
      35           0 :         pValue = getenv( "TMP" );
      36           0 :         if ( !pValue )
      37             :         {
      38             : #if defined(SOLARIS) || defined (LINUX)
      39           0 :             pValue = P_tmpdir;
      40             : #else
      41             :             return osl_File_E_NOENT;
      42             : #endif
      43             :         }
      44             :     }
      45             : 
      46             :     oslFileError error;
      47           0 :     rtl_uString *ustrTempPath = NULL;
      48             : 
      49           0 :     rtl_string2UString( &ustrTempPath, pValue, strlen( pValue ), osl_getThreadTextEncoding(), OSTRING_TO_OUSTRING_CVTFLAGS );
      50           0 :     error = osl_getFileURLFromSystemPath( ustrTempPath, pustrTempDir );
      51           0 :     rtl_uString_release( ustrTempPath );
      52             : 
      53           0 :     return error;
      54             : }
      55             : #else
      56             : 
      57             : #if defined _MSC_VER
      58             : #pragma warning(push, 1)
      59             : #endif
      60             : 
      61             : #define WIN32_LEAN_AND_MEAN
      62             : #include <windows.h>
      63             : #include <malloc.h>
      64             : 
      65             : #if defined _MSC_VER
      66             : #pragma warning(pop)
      67             : #endif
      68             : 
      69             : oslFileError SAL_CALL my_getTempDirURL( rtl_uString** pustrTempDir )
      70             : {
      71             :     WCHAR   szBuffer[MAX_PATH];
      72             :     LPWSTR  lpBuffer = szBuffer;
      73             :     DWORD   nBufferLength = SAL_N_ELEMENTS(szBuffer) - 1;
      74             : 
      75             :     DWORD           nLength;
      76             :     oslFileError    error;
      77             : 
      78             :     do
      79             :     {
      80             :         nLength = GetTempPathW( SAL_N_ELEMENTS(szBuffer), lpBuffer );
      81             :         if ( nLength > nBufferLength )
      82             :         {
      83             :             nLength++;
      84             :             lpBuffer = (LPWSTR)alloca( sizeof(WCHAR) * nLength );
      85             :             nBufferLength = nLength - 1;
      86             :         }
      87             :     } while ( nLength > nBufferLength );
      88             : 
      89             :     if ( nLength )
      90             :     {
      91             :         rtl_uString *ustrTempPath = NULL;
      92             : 
      93             :         if ( '\\' == lpBuffer[nLength-1] )
      94             :             lpBuffer[nLength-1] = 0;
      95             : 
      96             :         rtl_uString_newFromStr( &ustrTempPath, reinterpret_cast<const sal_Unicode*>(lpBuffer) );
      97             : 
      98             :         error = osl_getFileURLFromSystemPath( ustrTempPath, pustrTempDir );
      99             : 
     100             :         rtl_uString_release( ustrTempPath );
     101             :     }
     102             :     else
     103             :         error = GetLastError() == ERROR_SUCCESS ? osl_File_E_None : osl_File_E_INVAL;
     104             : 
     105             :     return error;
     106             : }
     107             : #endif
     108             : 
     109             : #include "tempfile.hxx"
     110             : 
     111           0 : PlaceWareTempFile::PlaceWareTempFile( const OUString& rTempFileURL )
     112           0 : :osl::File( rTempFileURL ), maURL( rTempFileURL )
     113             : {
     114           0 : }
     115             : 
     116           0 : PlaceWareTempFile::~PlaceWareTempFile()
     117             : {
     118           0 :     close();
     119             : 
     120           0 :     if( !maURL.isEmpty() )
     121           0 :         osl::File::remove( maURL );
     122           0 : }
     123             : 
     124           0 : OUString PlaceWareTempFile::createTempFileURL()
     125             : {
     126           0 :     OUString aTempFileURL;
     127             : 
     128           0 :     const sal_uInt32 nRadix = 26;
     129             : 
     130           0 :     OUString aTempDirURL;
     131           0 :     /* oslFileError nRC = */ my_getTempDirURL( &aTempDirURL.pData );
     132             : 
     133           0 :     static sal_uInt32 u = osl_getGlobalTimer();
     134           0 :     for ( sal_uInt32 nOld = u; ++u != nOld; )
     135             :     {
     136           0 :         u %= (nRadix*nRadix*nRadix);
     137           0 :         OUString aTmp( aTempDirURL );
     138           0 :         if( !aTmp.endsWith("/") )
     139           0 :             aTmp += "/";
     140           0 :         aTmp += OUString::number(  (unsigned) u, nRadix );
     141           0 :         aTmp += ".tmp";
     142             : 
     143           0 :         osl::File aFile( aTmp );
     144           0 :         osl::FileBase::RC err = aFile.open(osl_File_OpenFlag_Create);
     145           0 :         if (  err == FileBase::E_None )
     146             :         {
     147           0 :             aTempFileURL = aTmp;
     148           0 :             aFile.close();
     149           0 :             break;
     150             :         }
     151           0 :         else if ( err != FileBase::E_EXIST )
     152             :         {
     153             :              // if f.e. name contains invalid chars stop trying to create files
     154           0 :              break;
     155             :         }
     156           0 :     }
     157             : 
     158           0 :     return aTempFileURL;
     159             : }
     160             : 
     161             : 
     162             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */