/*
* Move all elements of another list into this one.
*/
void CListHead::MoveList(CListHead &lhOther)
{
ASSERT(IsValid() && lhOther.IsValid());
// if the second list is empty
if (lhOther.IsEmpty()) {
// no moving
return;
}
// get first element in other list
CListNode &lnOtherFirst = *lhOther.lh_Head;
// get last element in other list
CListNode &lnOtherLast = *lhOther.lh_Tail;
// get last element in this list
CListNode &lnThisLast = *lh_Tail;
// relink elements
lnOtherLast.ln_Succ = lnThisLast.ln_Succ;
lnThisLast.ln_Succ = &lnOtherFirst;
lnOtherFirst.ln_Pred = &lnThisLast;
lh_Tail = &lnOtherLast;
// clear the other list
lhOther.Clear();
}
