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);
        }
Ejemplo n.º 2
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        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));
            }
        }
        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;
        }