Re: [bug-gawk] mktime UTC extremely slow (new in GAWK 4.2)

[Andrew J. Schorr]

On Wed, Dec 12, 2018 at 09:14:39AM -0500, Andrew J. Schorr wrote:
> I guess you were thinking that a more general function could be useful.
> Do you now think it's OK simply to implement timegm rather than
> a more general mktime_tz function? The linux timegm man page
> shows:
>       setenv("TZ", "", 1);
> whereas your code does:
>       setenv("TZ", tzreq, 1);
> and `tzreq' is set to "UTC+0". Do you want to continue to support
> the more general case (which would explain why it's not in missing_d),
> and if not, what's more portable for setting TZ: "" or "UTC+0"?

Patch attached. Is this what you want?

Regards,
Andy

timegm_missing.patch
Description: Text document

timegm.c
Description: Text document