Re: Re: libxslt math.random issue

[Florian Weimer <fweimer () redhat com>]

On 04/07/2017 07:50 PM, Frank Ch. Eigler wrote:
> Florian Weimer wrote:
>
> > FWIW, why is glibc not doing srand(RANDOMVECTOR) during startup... :/
> >
> > The C standard does not allow it.
> >
> > ”
> > If rand is called before any calls to srand have been made, the same
> > sequence shall be generated as when srand is first called with a seed
> > value of 1.
> > ”
>
> Yes, but that does not imply that srand(1) needs to resolve to a
> build-constant value.

Sorry, I don't understand.  The standard also says, “If srand() is then 
called with the same seed value, the sequence of pseudo-random numbers 
shall be repeated.”

The sequences is *required* to be deterministic, and this is deliberate.

Thanks,
Florian