(svn r2222) Check the parameters of Cmd{Insert,Delete,Modify,Skip}Order() and CmdRestoreOrderIndex():

- Check if the vehicle exists
- Check if the vehicle belongs to the correct player
- Check if the new order is valid (type, destination, flags) (CmdInsertOrder)

1 files changed, 5 insertions, 0 deletions

diff --git a/waypoint.h b/waypoint.h
index 186b8c154..a7f9f968a 100644
--- a/waypoint.h
+++ b/waypoint.h
@@ -40,6 +40,11 @@ static inline uint16 GetWaypointPoolSize(void)
 	return _waypoint_pool.total_items;
 }
 
+static inline bool IsWaypointIndex(uint index)
+{
+	return index < GetWaypointPoolSize();
+}
+
 #define FOR_ALL_WAYPOINTS_FROM(wp, start) for (wp = GetWaypoint(start); wp != NULL; wp = (wp->index + 1 < GetWaypointPoolSize()) ? GetWaypoint(wp->index + 1) : NULL)
 #define FOR_ALL_WAYPOINTS(wp) FOR_ALL_WAYPOINTS_FROM(wp, 0)