Mosa.FileSystem.FAT.FatFileSystem.AllocateCluster C# (CSharp) Метод

        protected uint AllocateCluster()
        {
            uint at = lastFreeHint + 1;

            if (at < 2)
                at = 2;

            uint last = at - 1;

            if (last == 1)
                last = fatEntries;

            while (at != last)
            {
                uint value = GetClusterEntryValue(at);

                if (IsClusterFree(value))
                {
                    SetClusterEntryValue(at, 0xFFFFFFFF /*endOfClusterMark*/);
                    lastFreeHint = at;
                    return at;
                }

                at++;

                if (at >= fatEntries)
                    at = 2;
            }

            return 0;   // mean no free space
        }