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Date: Mon, 12 Aug 2013 19:41:22 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: [64-bit]  egrep core dumps when it opens binary files
Message-ID: <20130812174122.GH2691@calimero.vinschen.de>
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On Aug 12 14:49, Corinna Vinschen wrote:
> On Aug 11 15:07, Jim Burwell wrote:
> > 64 bit egrep gets a segfault and dumps core when it opens binary files:
>=20
> Confirmed.  This isn't exactly about binary files, but rather grep
> stumbles over Cygwin/Newlib's UTF-16 surrogate pair handling here.
>=20
> To trigger this problem, three circumstances must conincide:
>=20
> - you have to use a UTF-8 locale like en_US.UTF-8,
> - you have to use grep's -i option,
> - and you have to hit a file with a UTF-8 sequence which translates to
>   a surrogate.
>=20
> I'm looking into a patch to handle this uncommon situation and try to
> send it upstream.

I added UTF-16 surrogate handling to the -i option and uploaded a
grep-2.14-2 package to the 64 bit release.  Please give it a tests.
If it works for you, I'll send the patch upstream.


Thanks,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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