public void Free(int listBlockIndex)
{
int listEntryIndex = BlockToEntryIndex(listBlockIndex);
AllocationTableEntry listEntry = ReadEntry(listEntryIndex);
if (!listEntry.IsListStart())
{
throw new ArgumentOutOfRangeException(nameof(listBlockIndex), "The block to free must be the start of a list.");
}
int freeListIndex = GetFreeListEntryIndex();
// Free list is empty
if (freeListIndex == 0)
{
SetFreeListEntryIndex(listEntryIndex);
return;
}
Join(listBlockIndex, EntryIndexToBlock(freeListIndex));
SetFreeListBlockIndex(listBlockIndex);
}
