Re: [PATCH 3/3] reftable tests: avoid "int" overflow, use "uint64_t"

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On Tue, Jan 11, 2022 at 09:08:46PM +0100, Johannes Sixt wrote:
> Am 11.01.22 um 20:41 schrieb Taylor Blau:
> > On Tue, Jan 11, 2022 at 08:31:47PM +0100, Han-Wen Nienhuys wrote:
> >> On Tue, Jan 11, 2022 at 8:28 PM Taylor Blau <me@xxxxxxxxxxxx> wrote:
> >>> In any case, you're only setting the lower half of `min` high. Maybe:
> >>>
> >>>     uint64_t min = ~0ul;
> >>
> >> yeah, that works.
> >
> > I'm pretty sure this is OK on 32-bit systems, too, but confirmation from
> > somebody more confident than I in this area would be welcome :).
>
> It does not work on Windows: unsigned long is 32 bits wide. You have to
> make it
>
>    uint64_t min = ~(uint64_t)0;

Perfect; this is exactly what I was looking for. Thanks!

Taylor



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