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From: dennison@telepath.com
Subject: Re: win32ada design question/problem
Date: 1998/11/17
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 <72i3r9$o1r$1@nnrp1.dejanews.com> <ubtm7cxj0.fsf@gsfc.nasa.gov>
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In article <ubtm7cxj0.fsf@gsfc.nasa.gov>,
  Stephen Leake <Stephen.Leake@gsfc.nasa.gov> wrote:
>
> While I agree it wasn't well designed, I don't agree you need to go to
> a thick binding. The binding should use 'out' parameter modes in the
> places where C uses pointers to achieve output parameters. Most
> compilers will map an 'out' parameter to a C pointer, since that's
> what 'by reference' means.

Actually, according to B.3(68), that is *required* behavour. The problem with
that technique is that many C routines attach a signifigance to a incomming
value of null. You won't be able to produce such a value on the Ada side, so
some of the functionality of the C routine will be lost.

--
T.E.D.

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