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List:       full-disclosure
Subject:    Re: [Full-Disclosure] Coding securely, was Linux (in)security
From:       Ben Laurie <ben () algroup ! co ! uk>
Date:       2003-10-30 20:54:10
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Valdis.Kletnieks@vt.edu wrote:
> On Wed, 29 Oct 2003 12:08:20 GMT, Ben Laurie said:
> 
> 
>>Duh. That's a complete misunderstanding of the halting problem - which
>>is, in essence, that you can't write a program which can predict, in
>>general, whether another program will halt. Its perfectly possible to
>>write programs that are guaranteed to halt.
> 
> 
> Correct.  The point is that 'can you design a language that *guarantees* non
> terminating programs' is isomorphic to the compiler solving the Halting Problem.

Partial recursive functions (no, they aren't Turing complete).

Cheers,

Ben.

-- 
http://www.apache-ssl.org/ben.html       http://www.thebunker.net/

"There is no limit to what a man can do or how far he can go if he
doesn't mind who gets the credit." - Robert Woodruff


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