[Freeciv-Dev] (PR#9381) Bug: special case in city_buy_cost

["Vasco Alexandre da Silva Costa" <vasc@xxxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=9381 >

> [jdorje@xxxxxxxxxxx - Wed Jul 14 04:03:52 2004]:
> 
> There is a special case for unstarted production in city_buy_cost(). 
> This special case should be moved directly into the backend functions 
> unit_buy_gold_cost and impr_buy_gold_cost.  The way it is now makes no 
> sense.

unit_buy_gold_cost and impr_buy_gold_cost do not accept a city pointer
as an argument. You can add an additional argument, but there are uses
of these functions which are not city related. For e.g. when using the
unit upgrade option, unit_buy_gold_cost is checked.