GNU bug report logs - #18631
[PATCH] dfa: return NULL as can't find any predicates

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Subject: bug#18631: closed (Re: bug#18631: [PATCH] dfa: return NULL as
 can't find any predicates)
Date: Sat, 25 Apr 2015 19:50:03 +0000

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Your bug report

#18631: [PATCH] dfa: return NULL as can't find any predicates

which was filed against the grep package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 18631 <at> debbugs.gnu.org.

-- 
18631: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18631
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Jim Meyering <jim <at> meyering.net>
To: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
Cc: 18631-done <at> debbugs.gnu.org
Subject: Re: bug#18631: [PATCH] dfa: return NULL as can't find any predicates
Date: Sat, 25 Apr 2015 12:48:46 -0700

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On Sun, Dec 7, 2014 at 6:06 AM, Norihiro Tanaka <noritnk <at> kcn.ne.jp> wrote:
> On Sun, 05 Oct 2014 12:33:45 +0900
> Norihiro Tanaka <noritnk <at> kcn.ne.jp> wrote:
>
>> find_pred function is return an address to NULL pointer, but I think we
>> don't hope it.  So fix it.
>>
>> BTW, it could never happen, as the syntax is checked in regex prior to it.
>
> I wrote and added a test driver for this bug which uses a program
> `dfa-match-aux' added for tests recently.
>
> The program will generate a core dump before the change.

Thank you for the patch.
I have added to the commit log and adjusted the Makefile.am change
to insert the new test name in alphabetical order. I will push this shortly:

[0001-dfa-make-find_pred-return-NULL-for-an-invalid-predic.patch (application/octet-stream, attachment)]

[Message part 5 (message/rfc822, inline)]

From: Norihiro Tanaka <noritnk <at> kcn.ne.jp>
To: bug-grep <at> gnu.org
Subject: [PATCH] dfa: return NULL as can't find any predicates
Date: Sun, 05 Oct 2014 12:33:45 +0900

[Message part 6 (text/plain, inline)]

find_pred function is return an address to NULL pointer, but I think we
don't hope it.  So fix it.

BTW, it could never happen, as the syntax is checked in regex prior to it.

[0001-dfa-return-NULL-as-can-t-find-any-predicates.patch (text/plain, attachment)]

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