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Re: [RFA/TESTSUITE] build schedlock.c on 64-bit platforms
Daniel Jacobowitz <drow at mvista dot com> writes:
|> On Thu, Apr 10, 2003 at 05:16:05PM +0200, Andreas Schwab wrote:
|> > Andrew Cagney <ac131313 at redhat dot com> writes:
|> >
|> > |> > args[i] = 1;
|> > |> >> - res = pthread_create(&threads[i], NULL, thread_function, (void *)i);
|> > |> >>
|> > |>
|> > |> Try:
|> > |>
|> > |> (((char *) NULL) + i)
|> > |>
|> > |> and what ever the reverse of that is ....
|> >
|> > That is even less portable than the above.
|>
|> Really? What's non-portable about it?
NULL is not an object, and the C standard does not define any meaning for
the above expression. On the other hand, the effect of a cast from
integer to pointer is implementation-defined (although it might trap).
Andreas.
--
Andreas Schwab, SuSE Labs, schwab at suse dot de
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