private static CookedDataRuns CookRuns(NtfsAttribute attribute) { CookedDataRuns result = new CookedDataRuns(); foreach (NonResidentAttributeRecord record in attribute.Records) { if (record.StartVcn != result.NextVirtualCluster) { throw new IOException("Invalid NTFS attribute - non-contiguous data runs"); } result.Append(record.DataRuns, record); } return(result); }
public override void ExpandToClusters(long numVirtualClusters, NonResidentAttributeRecord extent, bool allocate) { long totalVirtualClusters = _cookedRuns.NextVirtualCluster; if (totalVirtualClusters < numVirtualClusters) { NonResidentAttributeRecord realExtent = extent; if (realExtent == null) { realExtent = _cookedRuns.Last.AttributeExtent; } DataRun newRun = new DataRun(0, numVirtualClusters - totalVirtualClusters, true); realExtent.DataRuns.Add(newRun); _cookedRuns.Append(newRun, extent); realExtent.LastVcn = numVirtualClusters - 1; } if (allocate) { AllocateClusters(totalVirtualClusters, (int)(numVirtualClusters - totalVirtualClusters)); } }