From: Olivier Andrieu <andrieu@ijm.jussieu.fr>
To: damien.doligez@inria.fr
Cc: Christoph.Bauer@lms-gmbh.de, caml-list@inria.fr
Subject: Re: [Caml-list] OCaml-3.08.1/MinGW: alloc_tuple fails
Date: Fri, 15 Oct 2004 15:45:24 +0200 (CEST) [thread overview]
Message-ID: <20041015.154524.112630031.andrieu@ijm.jussieu.fr> (raw)
In-Reply-To: <EAF87C98-1EAC-11D9-972F-00039310CAE8@inria.fr>
Damien Doligez [Fri, 15 Oct 2004]:
> On Oct 14, 2004, at 15:23, Bauer, Christoph wrote:
>
> > CAMLprim value test( value _ )
> > {
> > CAMLparam1( _ );
> > CAMLlocal1( t );
> > int i;
> > t = alloc_tuple( 100 );
> > for( i=0 ; i < 100; ++i )
> > Store_field( t, i, Int_val ( i ));
> > CAMLreturn ( Val_unit );
> > }
>
> You are not supposed to use Store_field on a value that is not yet
> initialized. You should write this instead:
>
> caml_initialize (&Field (t, i), Val_int (i));
Hum, doesn't alloc_tuple(n) (which is simply alloc(n, 0)) already
initialise the block with zeroes ?
--
Olivier
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next prev parent reply other threads:[~2004-10-15 13:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 13:23 Bauer, Christoph
2004-10-15 13:20 ` Damien Doligez
2004-10-15 13:45 ` Olivier Andrieu [this message]
2004-10-15 14:49 ` Damien Doligez
2004-10-16 23:56 ` Erik de Castro Lopo
2004-10-15 15:04 ` Xavier Leroy
2004-10-14 14:59 AW: " Bauer, Christoph
2004-10-14 16:19 ` Richard Jones
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