BOOL
CNdasUnitDeviceCreator::ReadDIBv1AndConvert(PNDAS_DIB_V2 pDIBv2)
{
BOOL fSuccess = FALSE;
NDAS_DIB DIBv1 = {0};
PNDAS_DIB pDIBv1 = &DIBv1;
fSuccess = m_devComm.ReadDiskBlock(
reinterpret_cast<PBYTE>(pDIBv1),
NDAS_BLOCK_LOCATION_DIB_V1);
if (!fSuccess)
{
XTLTRACE2(NDASSVC_NDASUNITDEVICE, TRACE_LEVEL_ERROR,
"ReadDiskBlock(DIBv1) failed, error=0x%X\n",
GetLastError());
return FALSE;
}
//
// If there is no DIB in the disk,
// create a pseudo DIBv2
//
if (NDAS_DIB_SIGNATURE != pDIBv1->Signature ||
IS_NDAS_DIBV1_WRONG_VERSION(*pDIBv1))
{
//
// Create a pseudo DIBv2
//
InitializeDIBv2AsSingle(pDIBv2);
return TRUE;
}
//
// Convert V1 to V2
//
fSuccess = ConvertDIBv1toDIBv2(
pDIBv1,
pDIBv2,
m_udinfo.SectorCount.QuadPart);
if (!fSuccess) {
//
// Create a pseudo DIBv2 again!
//
InitializeDIBv2AsSingle(pDIBv2);
return TRUE;
}
return TRUE;
}
BOOL
CNdasUnitDeviceCreator::ReadDIBv1AndConvert(PNDAS_DIB_V2 pDIBv2)
{
BOOL fSuccess = FALSE;
NDAS_DIB DIBv1 = {0};
PNDAS_DIB pDIBv1 = &DIBv1;
fSuccess = m_devComm.ReadDiskBlock(
reinterpret_cast<PBYTE>(pDIBv1),
NDAS_BLOCK_LOCATION_DIB_V1);
if (!fSuccess) {
DBGPRT_ERR_EX(_FT("Reading DIBv1 block failed: "));
return FALSE;
}
//
// If there is no DIB in the disk,
// create a pseudo DIBv2
//
if (NDAS_DIB_SIGNATURE != pDIBv1->Signature ||
IS_NDAS_DIBV1_WRONG_VERSION(*pDIBv1))
{
//
// Create a pseudo DIBv2
//
InitializeDIBv2AsSingle(pDIBv2);
return TRUE;
}
//
// Convert V1 to V2
//
fSuccess = ConvertDIBv1toDIBv2(
pDIBv1,
pDIBv2,
m_udinfo.SectorCount.QuadPart);
if (!fSuccess) {
//
// Create a pseudo DIBv2 again!
//
InitializeDIBv2AsSingle(pDIBv2);
return TRUE;
}
return TRUE;
}
