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From: Maciej Sobczak <see.my.homepage@gmail.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada array vs C pointer (call by reference)
Date: Fri, 27 Jun 2008 13:35:46 -0700 (PDT)
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Date: 2008-06-27T13:35:46-07:00
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On 27 Cze, 16:43, Georg Bauhaus <rm.tsoh.plus-
bug.bauh...@maps.futureapps.de> wrote:

> > Is there any implementation where Interfaces.C.int has different
> > properties than Integer?
>
> Try this with yours :-)
>
> with Interfaces.C;
>
> procedure Cint is
>    use Interfaces;
>    use type C.int;
>
>    X: C.int;
> begin
>    X := C.int'last;
>    X := X + 1;
> end;

CONSTRAINT_ERROR - overflow check failed.
I get the same with Integer.

What is the difference then?

And even assuming that on *your* implementation it is different - how
does it influence the interfacing with C? It does not, because
interfacing is about data transfer, not about arithmetics.

--
Maciej Sobczak * www.msobczak.com * www.inspirel.com