Re: Safe ANSI C Subset (Mark van der Aalst)
7 Dec 1996 22:50:02 -0500

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From: (Mark van der Aalst)
Newsgroups: comp.compilers,comp.lang.c,comp.lang.c.moderated
Date: 7 Dec 1996 22:50:02 -0500
Organization: MCGV Stack, Eindhoven University of Technology, the Netherlands.
References: 96-12-030
Keywords: C, realtime

Jan Soderberg ( wrote:
> Does anyone know of any ANSI C subsets defined for safety critical
> real-time applications?

Short answer ;

Yes, there's a 'subset' called C++

A bit longer answer ;

I am not aware of any subsets of 'C' wich handle this sort of thing, I
do know that most military applications (at least in this country) are
written in plain 'C' - although they do use specific libraries wich
were made for some critical operations (but even those are mainly
system-dependant parts wich deal with stuff like atomic timers,
etc). This is actually quite an interesting thing, Maybe it would be
an idea to ask around at NASA - they probably know more about this
sort of thing - although I'm not even sure if they use 'C' ... but
then again, maybe they do, e.g.

  int i;

  for( i = 10 ; i > -1 ; i--)



                shout("oh dear...");



Cheers, flux.

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