Re: bug#34951: [PATCH] grep: a kwset matcher not work in a grep matcher

[arnold]

Paul Eggert <address@hidden> wrote:

> On 12/15/19 12:14 AM, address@hidden wrote:
>
> > int64_t is just as standard as ptrdiff_t and just as clear.
>
> Actually, int64_t is optional (as even C18 and POSIX-2018 do not require it),
> whereas ptrdiff_t has been required since C89. More importantly, int64_t would
> be overkill on 32-bit GNU/Linux, whereas ptrdiff_t suffices and is typically
> more efficient.
>
> (Besides, what would we do if 72-bit pointers came back into vogue? :-)

Fine.

What about

        typedef ptrdiff_t dfa_size_t

?