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From: Kamil Dudka <kdudka@redhat.com>
To: Peter Stephenson <p.w.stephenson@ntlworld.com>
Cc: zsh-workers@zsh.org
Subject: Re: Fwd: Re: [PATCH] {,un}applychange: do not call zle_setline(NULL) if quietgethist() fails
Date: Wed, 26 Jun 2019 14:07:56 +0200	[thread overview]
Message-ID: <4746461.Lp3oDyjsov@kdudka-nb> (raw)
In-Reply-To: <1126656148.1725000.1561546844984@mail2.virginmedia.com>

On Wednesday, June 26, 2019 1:00:44 PM CEST Peter Stephenson wrote:
> > On 26 June 2019 at 11:19 Kamil Dudka <kdudka@redhat.com> wrote:
> > 
> > 
> > There is a bug report in Red Hat Bugzilla about zsh crashing on NULL
> > pointer dereference: https://bugzilla.redhat.com/1722703
> > 
> > I was not able to reproduce the crash myself but the attached patch
> > should prevent zsh from crashing in this situation.
> 
> Hmm... I'm guessing that in the failure case we probably shouldn't
> set zlecs either?  It's probably not going to do anything helpful.
> Possibly also return 1?
> 
> pws

Good point.  zlecs should not be updated when zleline is not updated.
Sorry for missing it in the proposed patch.  Returning 1 might also be
better although I do not really understand why quietgethist() returns
NULL in the mentioned case.

Kamil



  reply	other threads:[~2019-06-26 12:08 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-26 10:19 Kamil Dudka
     [not found] ` <249696510.1723352.1561545091592@mail2.virginmedia.com>
2019-06-26 11:00   ` Fwd: " Peter Stephenson
2019-06-26 12:07     ` Kamil Dudka [this message]
2019-06-27 23:01 ` Oliver Kiddle
2019-06-28  0:20   ` Mikael Magnusson
2019-06-28  8:12   ` Kamil Dudka
2019-07-23 13:45   ` [PATCH v2] " Kamil Dudka
2019-07-26 15:24     ` Kamil Dudka

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