GNU bug report logs - #22655
grep-2.21 (and git master): --null-data and ranges work in an odd way (-P works fine)

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Message #17 received at 22655 <at> debbugs.gnu.org (full text, mbox):

From: Jim Meyering <jim <at> meyering.net>
To: Ulya Fokanova <skvadrik <at> gmail.com>
Cc: Jim Meyering <meyering <at> fb.com>, Ulrich Mueller <ulm <at> gentoo.org>,
 22655 <at> debbugs.gnu.org, Sergei Trofimovich <slyfox <at> gentoo.org>,
 Paul Eggert <eggert <at> cs.ucla.edu>
Subject: Re: bug#22655: grep-2.21 (and git master): --null-data and ranges
 work in an odd way (-P works fine)
Date: Sat, 20 Feb 2016 20:23:05 -0800

[Message part 1 (text/plain, inline)]

On Sat, Feb 20, 2016 at 8:19 PM, Jim Meyering <jim <at> meyering.net> wrote:
...
>> The bug also present with PCRE engine:
>>
>>    $ printf '12\n34\0' | LC_ALL=en_US.utf-8 grep -z -P '^[1234]*$' | wc -c
>>    6
>>    $ printf '12\n34\0' | LC_ALL=en_US.utf-8 grep -z -P '^[1-4]*$' | wc -c
>>    6
>
> Thank you for the analysis and the report.
> I have fixed the regex-oriented problem with the attached
> patch, but not yet the case using -P -z (PCRE + --null-data):

FTR, I've also pushed the attached test-improving patch:

[0001-tests-convert-cmd-fail-1-to-returns_-1-cmd-fail-1.patch (text/x-patch, attachment)]

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