From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Bug in collation functions?
Date: Thu, 29 Oct 2015 12:58:00 -0000 [thread overview]
Message-ID: <20151029075050.GE5319@calimero.vinschen.de> (raw)
In-Reply-To: <5631996D.7040908@redhat.com>
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On Oct 28 21:58, Eric Blake wrote:
> On 10/28/2015 04:14 PM, Ken Brown wrote:
> > It's my understanding that collation is supposed to take whitespace and
> > punctuation into account in the POSIX locale but not in other locales.
>
> Not quite right. It is up to the locale definition whether whitespace
> affects collation. But you are correct that in the POSIX locale,
> whitespace must not be ignored in collation.
>
> > This doesn't seem to be the case on Cygwin. Here's a test case using
> > wcscoll, but the same problem occurs with strcoll.
>
> That's because the locale definitions are different in cygwin than they
> are in glibc. But it is not a bug in Cygwin; POSIX allows for different
> systems to have different locale definitions while still using the same
> locale name like en_US.UTF-8.
Btw, strcoll and wcscoll in Cygwin are implemented using the Windows
function CompareStringW with the LCID set to the locale matching the
POSIX locale setting. I'm rather glad I didn't have to implement this
by myself... :}
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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next prev parent reply other threads:[~2015-10-29 7:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-29 7:41 Ken Brown
2015-10-29 7:50 ` Eric Blake
2015-10-29 12:58 ` Corinna Vinschen [this message]
2015-10-29 15:35 ` Corinna Vinschen
2015-10-29 15:51 ` Ken Brown
2015-10-29 16:14 ` Corinna Vinschen
2015-10-29 16:14 ` Ken Brown
2015-10-29 16:51 ` Ken Brown
2015-10-29 18:09 ` Eric Blake
2015-10-29 21:58 ` Ken Brown
2015-10-30 8:05 ` Ken Brown
2015-10-30 14:07 ` Ken Brown
2015-10-30 19:11 ` Corinna Vinschen
2015-10-30 19:14 ` Ken Brown
2015-10-30 21:13 ` Corinna Vinschen
[not found] ` <5634F6BA.7070301@cornell.edu>
2015-11-02 11:14 ` Corinna Vinschen
2015-10-29 16:17 ` Eric Blake
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