[PATCH] rtems: Make rtems_version_control_key() safer

[Peter Dufault]

> On Sep 9, 2019, at 22:00 , Chris Johns <chrisj at rtems.org> wrote:
> 
> I would prefer we provide an interface to say the version control key has been
> set rather than exposing how we manage it. I think the change to not return NULL
> is the correct one. What about adding ..
> 
> bool rtems_version_control_key_valid( void )
> {
>  return strlen( rtems_version_control_key( ) ) != 0;
> }
> 
> I have a feeling we may wedge ourselves in the future with users having code to
> check the length.
> 
> Chris

I usually want both, that is, I always want the consistent error code interface (0 vs !0) and I frequently want more convenient interfaces.

Peter
-----------------
Peter Dufault
HD Associates, Inc.      Software and System Engineering

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