Source code of Windows XP (NT5)
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47 lines
1.0 KiB

#include "pnp.h"
#include "reg.h"
#include "sfstr.h"
#include "misc.h"
#define ARRAYSIZE(a) (sizeof((a))/sizeof((a)[0]))
// Temporary fct to use while PnP team writes the real one
//
// First we look under the DeviceNode for the value and if not there
// we go to the "database".
//
//
HRESULT _GetPropertyHelper(LPCWSTR pszKey, LPCWSTR pszPropName, DWORD* pdwType,
PBYTE pbData, DWORD cbData)
{
HKEY hkey;
HRESULT hr = _RegOpenKey(HKEY_LOCAL_MACHINE, pszKey, &hkey);
if (SUCCEEDED(hr) && (S_FALSE != hr))
{
hr = _RegQueryGenericWithType(hkey, NULL, pszPropName, pdwType,
pbData, cbData);
_RegCloseKey(hkey);
}
return hr;
}
HRESULT _GetPropertySizeHelper(LPCWSTR pszKey, LPCWSTR pszPropName,
DWORD* pcbSize)
{
HKEY hkey;
HRESULT hr = _RegOpenKey(HKEY_LOCAL_MACHINE, pszKey, &hkey);
if (SUCCEEDED(hr) && (S_FALSE != hr))
{
hr = _RegQueryValueSize(hkey, NULL, pszPropName, pcbSize);
_RegCloseKey(hkey);
}
return hr;
}