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* Interfacing C unions in Ada
@ 2014-07-25 13:52 Victor Porton
  2014-07-25 14:20 ` Victor Porton
  0 siblings, 1 reply; 3+ messages in thread
From: Victor Porton @ 2014-07-25 13:52 UTC (permalink / raw)


Please explain how to interface with C unions.

Discriminants are present in Ada but a missing in C. How to map these things 
to each other (a C record without a discriminant and an Ada record)?

Please explain. (I am writing an open source Ada library and helping me you 
help the community.)

Ada2012.

-- 
Victor Porton - http://portonvictor.org


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Interfacing C unions in Ada
  2014-07-25 13:52 Interfacing C unions in Ada Victor Porton
@ 2014-07-25 14:20 ` Victor Porton
  2014-07-26  3:55   ` Shark8
  0 siblings, 1 reply; 3+ messages in thread
From: Victor Porton @ 2014-07-25 14:20 UTC (permalink / raw)


Victor Porton wrote:

> Please explain how to interface with C unions.
> 
> Discriminants are present in Ada but a missing in C. How to map these
> things to each other (a C record without a discriminant and an Ada
> record)?
> 
> Please explain. (I am writing an open source Ada library and helping me
> you help the community.)
> 
> Ada2012.

Oh, I've found:

pragma Unchecked_Union

-- 
Victor Porton - http://portonvictor.org

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: Interfacing C unions in Ada
  2014-07-25 14:20 ` Victor Porton
@ 2014-07-26  3:55   ` Shark8
  0 siblings, 0 replies; 3+ messages in thread
From: Shark8 @ 2014-07-26  3:55 UTC (permalink / raw)


On 25-Jul-14 08:20, Victor Porton wrote:
> pragma Unchecked_Union

Yep; that's the one you want.

^ permalink raw reply	[flat|nested] 3+ messages in thread

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2014-07-25 13:52 Interfacing C unions in Ada Victor Porton
2014-07-25 14:20 ` Victor Porton
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