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From: Eric Sunshine <sunshine@sunshineco.com>
To: "Martin Ågren" <martin.agren@gmail.com>
Cc: Git List <git@vger.kernel.org>,
	Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: [PATCH 2/1] config: let `config_store_data_clear()` handle `value_regex`
Date: Sun, 13 May 2018 23:05:54 -0400	[thread overview]
Message-ID: <CAPig+cQaJmsJe=E6HdBw0s6eN-qW0OCezBacRcQ+UnJYMbODsw@mail.gmail.com> (raw)
In-Reply-To: <3f64a4e24a83a9041c79c8b302207af7687dbb21.1526204440.git.martin.agren@gmail.com>

On Sun, May 13, 2018 at 5:58 AM, Martin Ågren <martin.agren@gmail.com> wrote:
> Instead of carefully clearing up `value_regex` in each code path, let
> `config_store_data_clear()` handle that.
>
> Signed-off-by: Martin Ågren <martin.agren@gmail.com>
> ---
> I *think* that it should be ok to `regfree()` after `regcomp()` failed,
> but I'll need to look into that some more (and say something about it in
> the commit message).

My research (for instance [1,2]) seems to indicate that it would be
better to avoid regfree() upon failed regcomp(), even though such a
situation is handled sanely in some implementations.

[1]: https://www.redhat.com/archives/libvir-list/2013-September/msg00276.html
[2]: https://www.redhat.com/archives/libvir-list/2013-September/msg00273.html

  reply	other threads:[~2018-05-14  3:05 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-13  8:23 [PATCH] config: free resources of `struct config_store_data` Martin Ågren
2018-05-13  8:59 ` Eric Sunshine
2018-05-13  9:58   ` Martin Ågren
2018-05-13  9:58     ` [PATCH 2/1] config: let `config_store_data_clear()` handle `value_regex` Martin Ågren
2018-05-14  3:05       ` Eric Sunshine [this message]
2018-05-20 10:50         ` [PATCH] regex: do not call `regfree()` if compilation fails Martin Ågren
2018-05-21 18:43           ` Stefan Beller
2018-05-22  2:20             ` Eric Sunshine
2018-05-22 11:00               ` Martin Ågren
2018-05-13  9:58     ` [PATCH 3/1] config: let `config_store_data_clear()` handle `key` Martin Ågren
2018-05-14  3:03     ` [PATCH] config: free resources of `struct config_store_data` Eric Sunshine
2018-05-20 10:42       ` [PATCH v2 0/3] " Martin Ågren
2018-05-20 10:42         ` [PATCH v2 1/3] " Martin Ågren
2018-05-20 10:42         ` [PATCH v2 2/3] config: let `config_store_data_clear()` handle `value_regex` Martin Ågren
2018-05-20 10:42         ` [PATCH v2 3/3] config: let `config_store_data_clear()` handle `key` Martin Ågren
2018-05-23  7:03           ` Eric Sunshine
2018-05-23  7:01         ` [PATCH v2 0/3] config: free resources of `struct config_store_data` Eric Sunshine
2018-05-13 18:40 ` [PATCH] " Martin Ågren

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