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Date:	Mon, 12 Aug 2013 14:49:54 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: [64-bit] egrep core dumps when it opens binary files
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On Aug 11 15:07, Jim Burwell wrote:
> 64 bit egrep gets a segfault and dumps core when it opens binary files:

Confirmed.  This isn't exactly about binary files, but rather grep
stumbles over Cygwin/Newlib's UTF-16 surrogate pair handling here.

To trigger this problem, three circumstances must conincide:

- 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.

I'm looking into a patch to handle this uncommon situation and try to
send it 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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