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Date: Wed, 19 Dec 2018 14:37:11 +0100
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Cc: Bruno Haible <bruno@clisp.org>, Assaf Gordon <assafgordon@gmail.com>
Subject: Re: iswcntrl() regression
Message-ID: <20181219133711.GJ28727@calimero.vinschen.de>
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CCed Bruno and Assaf, I guess both are not subscribed to the Cygwin ML.

On Dec 19 14:25, Thomas Wolff wrote:
> On 19.12.2018 13:53, Bruno Haible wrote:
> > Hi,
> >=20
> > POSIX [1] requires that iswcntrl (EOF) =3D=3D 0.
> Interesting special case, as EOF is not a character.
> In newlib/libc/ctype, this could be fixed in iswcntrl_l.c as a special
> condition, or injected as a special case in the categories.t table.
> Are there any other special requirements concerning EOF?
> Thomas
>=20
> >=20
> > This was true in         CYGWIN_NT-10.0 2.9.0(0.318/5/3) (x86_64)
> > but is no longer true in CYGWIN_NT-10.0 2.11.1(0.329/5/3) (x86_64).
> > (Reported by Assaf Gordon.)
> >=20
> > Looking at the changes that occurred in the cygwin git between
> > 2.9.0 (on 2017-08-03) and 2.11.1 (on 2018-08-31)
> > it appears to me that the culprit is the commit
> > 41f72ab4d7c404b8ac2a5e1187d79164992e4483 (on 2018-03-09).
> >=20
> > I would like to CC its author, Thomas Wolff, but he gave an invalid
> > email address <mintty@users.noreply.github.com> in the commit.
> >=20
> > This regression was found by gnulib's test suite
> > https://git.savannah.gnu.org/gitweb/?p=3Dgnulib.git;a=3Dblob;f=3Dtests/=
test-wctype-h.c
> >=20
> > Bruno

Thanks for the report, Bruno!


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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