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From: Duncan Sands <baldrick@free.fr>
Newsgroups: comp.lang.ada
Subject: Re: calling an ada procedure from C++
Date: Mon, 17 Nov 2003 11:38:40 +0100
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Date: 2003-11-17T11:38:40+01:00

On Wednesday 12 November 2003 16:11, Anthony Moss wrote:
> I have an ada simulation and a windows C++ graphics program already
> created. My task is to transfer the information from the ada written
> simulation to the VisualC++ graphics program. This involves transfering a
> large structure of information from ada to C++. To do this i have written a
> very small program to pass a simple structure from ada to C++, but I am
> getting run time access errors. I will place a copy of the code onto this
> message, so could you tell me what is wrong and how to fix it.
> thanks

Don't return the value on the stack (i.e. via return), use an out parameter.
Standard C does not permit returning structures on the stack IIRC.

All the best,

Duncan.