Re: time_t size: The year 2038 bug?

From: Dominik Kubla (dominik.kubla@uni-mainz.de)
Date: Thu Jan 06 2000 - 02:10:19 EST


On Thu, Jan 06, 2000 at 05:17:55PM +1030, Glen Turner wrote:
>
> > > ANSI/ISO C defines time_t as a signed arithmetic type, so
> > > such a change would break correct code.
> >
> > Are you positive?
>
> I checked and you are right. ANSI C just requires that it
> be an arithmetic type [7.12.1] (and by other rules in the
> document, a *standard* arithmetic type).
>

Quoting POSIX Programmers Guide, 1st Ed., page 133:

  The type time_t is defined in <time.h>. While it is typically an unsigned
  long, it can be a double or long double.

Looks as if POSIX and ANSI are (again) at odds...

Yours,
  Dominik Kubla

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