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[Caml-list] OCaml-3.08.1/MinGW: alloc_tuple fails
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Date: -- (:)
From: Olivier Andrieu <andrieu@i...>
Subject: Re: [Caml-list] OCaml-3.08.1/MinGW: alloc_tuple fails
 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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