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From: Ramsay Jones <>
To: "brian m. carlson" <>,
	Junio C Hamano <>,
	GIT Mailing-list <>
Subject: Re: [PATCH] repository: fix a sparse 'using integer as NULL pointer' warning
Date: Wed, 29 Nov 2017 17:58:47 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 29/11/17 01:35, brian m. carlson wrote:
> On Tue, Nov 28, 2017 at 03:01:19AM +0000, Ramsay Jones wrote:
>> Commit 78a6766802 ("Integrate hash algorithm support with repo setup",
>> 2017-11-12) added a 'const struct git_hash_algo *hash_algo' field to the
>> repository structure, without modifying the initializer of the 'the_repo'
>> variable. This does not actually introduce a bug, since the '0' initializer
>> for the 'ignore_env:1' bit-field is interpreted as a NULL pointer (hence
>> the warning), and the final field (now with no initializer) receives a
>> default '0'.
>> Signed-off-by: Ramsay Jones <>
>> ---
>> Hi Junio,
>> I don't recall Brian doing a re-roll of the 'bc/hash-algo' branch[1], but
>> now that it has been merged into the 'next' branch, sparse is barking on
>> that branch too. This patch (slightly different to the last one) applies
>> on top of 'next'.
> Thanks for the patch; it's obviously correct.  I'll get sparse set up
> for future patch series.

Heh, at this point I usually remark that you would need to build
sparse from source, since all the packaged versions are so old
as to be virtually useless (to run over git).

That may still be the case, depending on your distro, since there
was a new release a couple of months ago. However, you know how
long it takes to get into some distros! ;-)

[I _think_ it may be in Debian Unstable]

Oh, the release (v0.5.1) was tagged on 17 Aug 2017.
(I'm currently running v0.5.1-30-gf1e4ba1, built from source).

Ramsay Jones

      reply	other threads:[~2017-11-29 17:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-28  3:01 [PATCH] repository: fix a sparse 'using integer as NULL pointer' warning Ramsay Jones
2017-11-28  4:07 ` Junio C Hamano
2017-11-29  1:35 ` brian m. carlson
2017-11-29 17:58   ` Ramsay Jones [this message]

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