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From: Lars Ingebrigtsen <larsi@gnus.org>
To: "Mattias Engdegård" <mattiase@acm.org>
Cc: 43598@debbugs.gnu.org
Subject: bug#43598: replace-in-string: finishing touches
Date: Fri, 25 Sep 2020 13:32:38 +0200	[thread overview]
Message-ID: <875z82qeg9.fsf@gnus.org> (raw)
In-Reply-To: <2C702C6F-9E36-4BB1-A8A5-6EAD29B4E616@acm.org> ("Mattias Engdegård"'s message of "Fri, 25 Sep 2020 13:22:41 +0200")

Mattias Engdegård <mattiase@acm.org> writes:

>> Right, so if the multibyteness differs, then do another check to see
>> whether both strings are all-ASCII anyway, and do the comparison without
>> conversion...
>
> Both strings don't need to be all-ASCII; one of them suffices.

Hm, yes, that's true...  and I guess a further micro-optimisation would
be if NEEDLE is non-ASCII and HAYSTACK is all-ASCII, then there's no
point in memmem-ing at all. 

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no





  reply	other threads:[~2020-09-25 11:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-24 20:52 bug#43598: replace-in-string: finishing touches Mattias Engdegård
2020-09-24 21:12 ` Lars Ingebrigtsen
2020-09-24 21:19 ` Lars Ingebrigtsen
2020-09-24 23:18   ` Lars Ingebrigtsen
2020-09-25  9:21     ` Eli Zaretskii
2020-09-25 10:09       ` Lars Ingebrigtsen
2020-09-24 23:54 ` Lars Ingebrigtsen
2020-09-25 10:42   ` Mattias Engdegård
2020-09-25 11:11     ` Lars Ingebrigtsen
2020-09-25 11:22       ` Mattias Engdegård
2020-09-25 11:32         ` Lars Ingebrigtsen [this message]
2020-09-27  0:03         ` Lars Ingebrigtsen
2020-09-27  0:34           ` Lars Ingebrigtsen
2020-09-27  8:45             ` Mattias Engdegård
2020-09-28  3:41             ` Richard Stallman
2020-09-28  9:40               ` Mattias Engdegård
2020-09-29  3:29                 ` Richard Stallman
2020-09-29  4:12                   ` Eli Zaretskii
2020-09-27 11:12           ` Mattias Engdegård
2020-09-27 11:48             ` Lars Ingebrigtsen
2020-09-27 11:57               ` Mattias Engdegård
2020-09-27 12:02                 ` Lars Ingebrigtsen
2020-09-27 16:14                   ` Mattias Engdegård
2020-09-27 16:19                     ` Eli Zaretskii
2020-09-27 16:41                       ` Lars Ingebrigtsen
2020-09-27 16:48                         ` Eli Zaretskii
2020-09-26 22:44     ` Lars Ingebrigtsen
2020-09-26 22:25 ` Lars Ingebrigtsen

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