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From: dennison@telepath.com
Subject: Re: win32ada design question/problem
Date: 1998/11/19
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In article <365454A8.EFCA84F9@elca-matrix.ch>,
  Mats.Weber@elca-matrix.ch wrote:
> Tom Moran wrote:
>
> On the other hand,
>
>    type String_Access is access String;
>
>    function C_Function (X : in String_Access);
>
>    C_Function(S'Unchecked_Access);
>
> will sometimes not work because some compilers (and that includes GNAT)
> use fat pointers for access to unconstrained arrays (I am not saying
> that this is bad).

No, not if they follow the implementation advice.

LRM B.3(63 & 67) An implementation should support the following interface
correspondences between Ada and C. ...	o  An Ada in parameter of an
access-to-object type with designated type T is passed as a t* argument to a
C function, where t is the C type corresponding to the Ada type T.


--
T.E.D.

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