RE: iswcntrl() regression
- Date: Tue, 8 Jan 2019 22:56:13 +0000
- From: "Wong, Samuel" <samuel.wong@xxxxxxxxx>
- Subject: RE: iswcntrl() regression
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From: cygwin-owner@xxxxxxxxxx <cygwin-owner@xxxxxxxxxx> On Behalf Of Corinna Vinschen
Sent: Wednesday, December 19, 2018 5:37 AM
Cc: Bruno Haible <bruno@xxxxxxxxx>; Assaf Gordon <assafgordon@xxxxxxxxx>
Subject: Re: iswcntrl() regression
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,
> > POSIX  requires that iswcntrl (EOF) == 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?
> > 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.)
> > 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).
> > I would like to CC its author, Thomas Wolff, but he gave an invalid
> > email address <mintty@xxxxxxxxxxxxxxxxxxxxxxxx> in the commit.
> > This regression was found by gnulib's test suite
> > https://git.savannah.gnu.org/gitweb/?p=gnulib.git;a=blob;f=tests/tes
> > t-wctype-h.c
> > Bruno
Thanks for the report, Bruno!