From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 20258@debbugs.gnu.org, Gunnar Horrigmo <gunnar.horrigmo@usit.uio.no>
Subject: bug#20258: 24.5; format-time-string miscounting of multibyte characters
Date: Sat, 04 Apr 2015 12:03:47 -0400 [thread overview]
Message-ID: <jwvfv8fzxu0.fsf-monnier+emacsbugs@gnu.org> (raw)
In-Reply-To: <83r3rzoq7e.fsf@gnu.org> (Eli Zaretskii's message of "Sat, 04 Apr 2015 18:42:13 +0300")
> 'length' counts characters, not bytes. If you need to count bytes,
> use 'string-bytes' instead:
> (string-bytes " lø.") => 6
And in 99% of the cases, using length-bytes doesn't do what you think
(it doesn't count the number of bytes that it would take in your
favorite coding-system, but the number of bytes it takes within Emacs's
internal encoding).
If you want to know how many bytes it would take in your locale's
encoding, then you need:
(length (encode-coding-string <thestring> locale-coding-system))
Stefan
next prev parent reply other threads:[~2015-04-04 16:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-04 14:33 bug#20258: 24.5; format-time-string miscounting of multibyte characters Gunnar Horrigmo
2015-04-04 15:42 ` Eli Zaretskii
2015-04-04 16:03 ` Stefan Monnier [this message]
2015-04-04 16:42 ` Andreas Schwab
2019-09-30 0:35 ` Stefan Kangas
2019-09-30 3:09 ` Lars Ingebrigtsen
2019-09-30 7:01 ` Eli Zaretskii
2019-09-30 8:41 ` Andreas Schwab
2019-09-30 9:13 ` Eli Zaretskii
2019-09-30 13:39 ` Lars Ingebrigtsen
2019-09-30 13:58 ` Eli Zaretskii
2019-09-30 14:12 ` Lars Ingebrigtsen
2019-09-30 14:30 ` Gunnar Horrigmo
2019-09-30 14:44 ` Eli Zaretskii
2019-09-30 14:41 ` Eli Zaretskii
2019-09-30 14:48 ` Lars Ingebrigtsen
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