/*
* Add a new cell to the specified list (which must be non-NIL);
* it will be placed after the list cell 'prev' (which must be
* non-NULL and a member of 'list'). The data placed in the new cell
* is 'datum'. The newly-constructed cell is returned.
*/
ListCell *
lappend_cell(List *list, ListCell *prev, void *datum)
{
ListCell *new_cell;
Assert(IsPointerList(list));
new_cell = add_new_cell(list, prev);
lfirst(new_cell) = datum;
return new_cell;
}
ListCell *
lappend_cell_oid(List *list, ListCell *prev, Oid datum)
{
ListCell *new_cell;
Assert(IsOidList(list));
new_cell = add_new_cell(list, prev);
lfirst_oid(new_cell) = datum;
check_list_invariants(list);
return new_cell;
}
ListCell *
lappend_cell_int(List *list, ListCell *prev, int datum)
{
ListCell *new_cell;
Assert(IsIntegerList(list));
new_cell = add_new_cell(list, prev);
lfirst_int(new_cell) = datum;
check_list_invariants(list);
return new_cell;
}