[Freeciv-Dev] Re: TODO

[Jeff Mallatt <jjm@xxxxxxxxxxxx>]

At 2000/09/22 06:49 , Jules Bean wrote:
>On Fri, Sep 22, 2000 at 12:45:45PM +0200, Raimar Falke wrote:
>> On Fri, Sep 22, 2000 at 10:56:58AM +0100, Jules Bean wrote:
>> > Instead use a 'constructor' function
>> > 
>> > struct locus make_locus(int x,int y) {
>> >   struct locus l;
>> >   l.x=x; l.y=y;
>> >   return l;
>> > }
>> 
>> AFAIK this is wrong. The variable l is created on the stack which is
>> destroyed at the return. You have to do return a newly allocated part of
>> memory. Using this you will get some problems with bookkeeping since C has
>> no GC.
>
>Nope.
>
>The above will make another copy of 'l' and return that.

At risk of showing my age...  Raimar would be correct, if we were using
original K&R C.  But, since we require ANSI C, struct assignments and
returns work just fine.

jjm