1 // TortoiseSVN - a Windows shell extension for easy version control
3 // Copyright (C) 2003-2007 - TortoiseSVN
5 // This program is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU General Public License
7 // as published by the Free Software Foundation; either version 2
8 // of the License, or (at your option) any later version.
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software Foundation,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #include "PreserveChdir.h"
22 PreserveChdir::PreserveChdir()
24 DWORD len
= GetCurrentDirectory(0, NULL
);
27 originalCurrentDirectory
= new TCHAR
[len
];
28 if (GetCurrentDirectory(len
, originalCurrentDirectory
)==0)
30 delete [] originalCurrentDirectory
;
31 originalCurrentDirectory
= NULL
;
35 originalCurrentDirectory
= NULL
;
38 PreserveChdir::~PreserveChdir()
40 if (originalCurrentDirectory
)
42 DWORD len
= GetCurrentDirectory(0, NULL
);
43 TCHAR
* currentDirectory
= new TCHAR
[len
];
45 // _tchdir is an expensive function - don't call it unless we really have to
46 GetCurrentDirectory(len
, currentDirectory
);
47 if(_tcscmp(currentDirectory
, originalCurrentDirectory
) != 0)
49 SetCurrentDirectory(originalCurrentDirectory
);
51 delete [] currentDirectory
;
52 delete [] originalCurrentDirectory
;
53 originalCurrentDirectory
= NULL
;