/// <summary>
/// Shrink space
/// </summary>
internal void ShrinkObject(VSObject o, long new_size)
{
if (o.Chunk == 1)
{
long current_size = o.Size;
VSAllocation a = o.LastChunk;
while ((current_size - a.Length) >= new_size)
{
VSAllocation prev_alloc = a.PrevChunk;
if (prev_alloc.Chunk == 1) // 1st segment
{
o.LAST = 0;
o.Chunk = 0;
}
else
{
o.LAST = prev_alloc.DescriptorAddress;
prev_alloc.Chunk = (short)(prev_alloc.Chunk * (-1));
}
current_size -= a.Length;
o.SetSize(current_size);
FreeSpaceSegment(a, false);
a = prev_alloc;
}
}
}
/// <summary>
/// Release allocated space by object
/// </summary>
/// <param name="a"></param>
/// <param name="deleteID"></param>
public void Release(VSObject a, bool deleteID = true)
{
// Cannot be a system pool (0 or less)
if (a.Pool < 1)
{
throw new VSException(DEFS.E0012_INVALID_POOL_NUMBER_CODE, "- " + a.Pool.ToString() + " (Release)");
}
Free(a, deleteID);
}