From: Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>
Subject: Re: [Q] Operating System Command Interface
Date: 1998/05/06
Date: 1998-05-06T00:00:00+00:00 [thread overview]
Message-ID: <35502E1D.38DAA3BD@cl.cam.ac.uk> (raw)
In-Reply-To: m33eeoirv4.fsf@fred.muc.de
Andi Kleen wrote:
> system() is part of the c library and not a system call on Unix.
[...]
> Of course that doesn't mean that it is portable. What is done with
> the string is implementation specified - just returning an error
> is legal.
Only if you restrict yourself to looking exclusively at ISO C when
designing a portable application (bad idea). The entire POSIX.2
standard is dedicated to defining the portable semantics of system().
Markus
--
Markus G. Kuhn, Security Group, Computer Lab, Cambridge University, UK
email: mkuhn at acm.org, home page: <http://www.cl.cam.ac.uk/~mgk25/>
next prev parent reply other threads:[~1998-05-06 0:00 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
1998-05-05 0:00 [Q] Operating System Command Interface John McCabe
1998-05-05 0:00 ` Do-While Jones
1998-05-08 0:00 ` Nick Roberts
1998-05-05 0:00 ` Stanley R. Allen
1998-05-05 0:00 ` John McCabe
1998-05-05 0:00 ` Andi Kleen
1998-05-06 0:00 ` Markus Kuhn [this message]
1998-05-05 0:00 ` David C. Hoos, Sr.
1998-05-05 0:00 ` John McCabe
1998-05-05 0:00 ` Robert Dewar
1998-05-05 0:00 ` Markus Kuhn
1998-05-05 0:00 ` David C. Hoos, Sr.
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