Function GroupIsInGroup

src/group_cmd.cpp:909–919

* Test if GroupID group is a descendant of (or is) GroupID search * @param search The GroupID to search in * @param group The GroupID to search for * @return True iff group is search or a descendant of search */

 * @return True iff group is search or a descendant of search
 */
bool GroupIsInGroup(GroupID search, GroupID group)
{
	if (!Group::IsValidID(search)) return search == group;

	do {
		if (search == group) return true;
		search = Group::Get(search)->parent;
	} while (search != GroupID::Invalid());

	return false;
}