1 /* Copyright (C) 2014 InfiniDB, Inc.
2 
3    This program is free software; you can redistribute it and/or
4    modify it under the terms of the GNU General Public License
5    as published by the Free Software Foundation; version 2 of
6    the License.
7 
8    This program is distributed in the hope that it will be useful,
9    but WITHOUT ANY WARRANTY; without even the implied warranty of
10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11    GNU General Public License for more details.
12 
13    You should have received a copy of the GNU General Public License
14    along with this program; if not, write to the Free Software
15    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
16    MA 02110-1301, USA. */
17 
18 #include "idbregistry.h"
19 
20 #define WIN32_LEAN_AND_MEAN
21 #define NOMINMAX
22 #include <windows.h>
23 #include <string>
24 using namespace std;
25 
IDBreadRegistry(const string & name,bool returnShortName)26 const string IDBreadRegistry(const string& name, bool returnShortName)
27 {
28     HKEY hkResult;
29     LONG lResult;
30     lResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, "Software\\Calpont\\InfiniDB", 0, KEY_READ, &hkResult);
31 
32     if (lResult != ERROR_SUCCESS)
33         return string();
34 
35     DWORD cbData = 1024;
36     TCHAR CfnameBuf[1024];
37     lResult = RegQueryValueEx(hkResult, name.c_str(), 0, 0, (LPBYTE)CfnameBuf, &cbData);
38     CloseHandle(hkResult);
39 
40     if (lResult != ERROR_SUCCESS)
41         return string();
42 
43     if (!returnShortName)
44         return string(CfnameBuf);
45 
46     cbData = 1024;
47     TCHAR snbuffer[1024];
48     lResult = GetShortPathName(CfnameBuf, snbuffer, cbData);
49 
50     if (lResult == 0 || lResult > 1024)
51         return string();
52 
53     return string(snbuffer);
54 }
55