83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
|
//
|
||
|
|
// MODULE: OcxGlobals.cpp
|
||
|
|
//
|
||
|
|
// PURPOSE: Global functions that are handy to have.
|
||
|
|
//
|
||
|
|
// PROJECT: Local Troubleshooter Launcher for the Device Manager
|
||
|
|
//
|
||
|
|
// COMPANY: Saltmine Creative, Inc. (206)-633-4743 support@saltmine.com
|
||
|
|
//
|
||
|
|
// AUTHOR: Richard Meadows
|
||
|
|
//
|
||
|
|
// ORIGINAL DATE: 2-26-98
|
||
|
|
//
|
||
|
|
//
|
||
|
|
// Version Date By Comments
|
||
|
|
//--------------------------------------------------------------------
|
||
|
|
// V0.1 - RM Original
|
||
|
|
// V0.3 04/09/98 JM/OK+ Local Version for NT5
|
||
|
|
///////////////////////
|
||
|
|
|
||
|
|
#include "stdafx.h"
|
||
|
|
#include "..\launcher\server\ComGlobals.h"
|
||
|
|
|
||
|
|
bool BSTRToTCHAR(LPTSTR szChar, BSTR bstr, int CharBufSize)
|
||
|
|
{
|
||
|
|
int x = 0;
|
||
|
|
while(x < CharBufSize)
|
||
|
|
{
|
||
|
|
szChar[x] = (TCHAR) bstr[x];
|
||
|
|
if (NULL == szChar[x])
|
||
|
|
break;
|
||
|
|
x++;
|
||
|
|
}
|
||
|
|
return x < CharBufSize;
|
||
|
|
}
|
||
|
|
|
||
|
|
bool ReadRegSZ(HKEY hRootKey, LPCTSTR szKey, LPCTSTR szValue, LPTSTR szBuffer, DWORD *pdwBufSize)
|
||
|
|
{
|
||
|
|
HKEY hKey;
|
||
|
|
DWORD dwType = REG_SZ;
|
||
|
|
DWORD dwBufSize = *pdwBufSize;
|
||
|
|
LPTSTR szUnExpanded = new TCHAR[dwBufSize];
|
||
|
|
if (NULL == szUnExpanded)
|
||
|
|
return false;
|
||
|
|
__try
|
||
|
|
{
|
||
|
|
if(ERROR_SUCCESS != RegOpenKeyEx(hRootKey, szKey, NULL, KEY_READ, &hKey))
|
||
|
|
{
|
||
|
|
////Delete before you return.
|
||
|
|
if (NULL != szUnExpanded)
|
||
|
|
delete [] szUnExpanded;
|
||
|
|
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (ERROR_SUCCESS != RegQueryValueEx(hKey, szValue, NULL, &dwType,
|
||
|
|
(PBYTE) szUnExpanded, pdwBufSize))
|
||
|
|
{
|
||
|
|
RegCloseKey(hKey);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
RegCloseKey(hKey);
|
||
|
|
if (REG_EXPAND_SZ == dwType || dwType == REG_SZ) // NT 5.0 beta bug requires all strings to be expanded.
|
||
|
|
{
|
||
|
|
DWORD dwBytesUsed;
|
||
|
|
dwBytesUsed = ExpandEnvironmentStrings(szUnExpanded, szBuffer, dwBufSize); // The value returned by ExpandEnviromentStrings is larger than the required size.
|
||
|
|
if (0 == dwBytesUsed)
|
||
|
|
return false;
|
||
|
|
*pdwBufSize = dwBytesUsed;
|
||
|
|
if (dwBytesUsed > dwBufSize)
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
_tcsncpy(szBuffer, szUnExpanded, dwBufSize);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
__finally
|
||
|
|
{
|
||
|
|
if (NULL != szUnExpanded)
|
||
|
|
delete [] szUnExpanded;
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|