Re: [Bug-gnubg] Crash during play

[Nardy Pillards]

----- Original Message -----
From: "Jim Segrave" <address@hidden>
To: "Joern Thyssen" <address@hidden>
Cc: "Nardy Pillards" <address@hidden>; "Holger" <address@hidden>;
"?ystein Johansen" <address@hidden>; <address@hidden>
Sent: Friday, November 29, 2002 11:47 AM
Subject: Re: [Bug-gnubg] Crash during play


> On Fri 29 Nov 2002 (09:41 +0000), Joern Thyssen wrote:
> > On Fri, Nov 29, 2002 at 10:36:12AM +0100, Nardy Pillards wrote
> > > > Since it crashes on race positions there might be a problem with the
new
> > > > bearoff databases (gnubg uses bearoff databases for calculating bg
> > > > chances; also multiple ply may reach bearoff database).
> > > >
> > > > Has anybody been able to reproduce the problem on un*x? Especially
> > > > interesting is Jim's BSD since the memory handling is different on
those
> > > > boxses, so any possible memory problem would be more likely to show
up
> > > > there.
> > >
> > > > J?rn
> > >
> > > The Windows builds crash:
> > > - Race position during game play
> >
> > Does it crash on bearoff positions?
>
> Holger posted a game which he reports crashes which is in the bearoff
> stage on one side - gnubg is bearing off, holger has just come in from
> the bar. I think the other posted crashing match was also bearing off
> on at least one side.
>
> I'm very curious if br1.c on Windows has the complete database. If the
> Windows environment has a grep which supports the -n option, then it
> would be interesting to do:
>
> address@hidden:/home/jes/gnubg% grep -n '[{}]' br1.c
> 31:static unsigned char acBearoff1[] = {
> 183256:};
> 183260:BearoffInitBuiltin ( void ) {
> 183264:  if ( ! ( pbc = (bearoffcontext *) malloc ( sizeof (
> bearoffcontext ) ) ) ) {
> 183268:  }
> 183286:}
>
> This tells me that the bearoff database starts on line 31 of the file
> and ends on line 183256. Could Nardy or Holger try this and see if the
> array is the same size - the difference between the line numbers for
> the open and close braces should be the same. I'm just very puzzled by
> the reported odd behaviour when building br1.c and I'd like to be sure
> that the full database is present.
>
> --
> Jim Segrave           address@hidden
>
output of the grep:

$ grep -n '[{}]' br1.c
31:static unsigned char acBearoff1[] = {
185208:};
185212:BearoffInitBuiltin ( void ) {
185216:  if ( ! ( pbc = (bearoffcontext *) malloc ( sizeof (
bearoffcontext ) ) ) ) {
185220:  }
185238:}

nardy