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From: Eric Sunshine <sunshine@sunshineco.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: Git List <git@vger.kernel.org>,
	Junio C Hamano <gitster@pobox.com>,
	Derrick Stolee <derrickstolee@github.com>,
	Jeff King <peff@peff.net>, Elijah Newren <newren@gmail.com>
Subject: Re: [PATCH v3 1/4] cocci: add and apply a rule to find "unused" strbufs
Date: Fri, 1 Jul 2022 15:55:57 -0400	[thread overview]
Message-ID: <CAPig+cSWpzHtv-Kv7=fibkPot=NTwKgc5_Eo_7G4fT=FnaGrxA@mail.gmail.com> (raw)
In-Reply-To: <patch-v3-1.4-49e9ccb5819-20220701T102506Z-avarab@gmail.com>

On Fri, Jul 1, 2022 at 6:36 AM Ævar Arnfjörð Bjarmason <avarab@gmail.com> wrote:
> Add a coccinelle rule to remove "struct strbuf" initialization
> followed by calling "strbuf_release()" function.

I'm probably being overly pedantic, but I tripped over this failing to
mention that the strbuf is not used between the initialization and the
release. That is, I had expected it to say:

    Add a coccinelle rule to remove "struct strbuf" initialization
    followed by calling "strbuf_release()" function without any uses
    of the strbuf in between.

> See extensive commentary in the new "unused.cocci" for how it works,
> and what it's intended to find and replace.
>
> The inclusion of "contrib/scalar/scalar.c" is because "spatch" was
> manually run on it (we don't usually run spatch on contrib).
>
> The use of "with strict" here will be explained and amended in the
> following commit.

Did you mean "when strict"?

> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> ---
> diff --git a/contrib/coccinelle/unused.cocci b/contrib/coccinelle/unused.cocci
> @@ -0,0 +1,61 @@
> +// This rule finds sequences of "unused" declerations and uses of

s/declerations/declarations/

> +// To do do this we find (continued below)...

s/do do/do/

  parent reply	other threads:[~2022-07-01 19:56 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-20 11:57 [PATCH] cocci: add and apply a rule to find "unused" variables Ævar Arnfjörð Bjarmason
2022-06-21 22:44 ` [PATCH v2 0/2] add and apply a rule to find "unused" init+free Ævar Arnfjörð Bjarmason
2022-06-21 22:44   ` [PATCH v2 1/2] cocci: add and apply a rule to find "unused" variables Ævar Arnfjörð Bjarmason
2022-06-22 16:02     ` Junio C Hamano
2022-06-21 22:44   ` [PATCH v2 2/2] cocci: remove "when strict" from unused.cocci Ævar Arnfjörð Bjarmason
2022-07-01 10:30   ` [PATCH v3 0/4] add and apply a rule to find "unused" init+free Ævar Arnfjörð Bjarmason
2022-07-01 10:30     ` [PATCH v3 1/4] cocci: add and apply a rule to find "unused" strbufs Ævar Arnfjörð Bjarmason
2022-07-01 18:04       ` Jeff King
2022-07-01 19:55       ` Eric Sunshine [this message]
2022-07-01 10:30     ` [PATCH v3 2/4] cocci: catch unused "strbuf" using an xmalloc() pattern Ævar Arnfjörð Bjarmason
2022-07-01 10:30     ` [PATCH v3 3/4] cocci: remove "when strict" from unused.cocci Ævar Arnfjörð Bjarmason
2022-07-01 21:33       ` Eric Sunshine
2022-07-01 10:30     ` [PATCH v3 4/4] cocci: generalize "unused" rule to cover more than "strbuf" Ævar Arnfjörð Bjarmason
2022-07-01 18:09     ` [PATCH v3 0/4] add and apply a rule to find "unused" init+free Jeff King
2022-07-05 13:46     ` [PATCH v4 0/6] " Ævar Arnfjörð Bjarmason
2022-07-05 13:46       ` [PATCH v4 1/6] Makefile: remove mandatory "spatch" arguments from SPATCH_FLAGS Ævar Arnfjörð Bjarmason
2022-07-05 13:46       ` [PATCH v4 2/6] Makefile & .gitignore: ignore & clean "git.res", not "*.res" Ævar Arnfjörð Bjarmason
2022-07-05 13:46       ` [PATCH v4 3/6] cocci: add a "coccicheck-test" target and test *.cocci rules Ævar Arnfjörð Bjarmason
2022-07-05 13:46       ` [PATCH v4 4/6] cocci: have "coccicheck{,-pending}" depend on "coccicheck-test" Ævar Arnfjörð Bjarmason
2022-07-05 13:46       ` [PATCH v4 5/6] cocci: add and apply a rule to find "unused" strbufs Ævar Arnfjörð Bjarmason
2022-07-05 13:47       ` [PATCH v4 6/6] cocci: generalize "unused" rule to cover more than "strbuf" Ævar Arnfjörð Bjarmason
2022-07-06 19:30       ` [PATCH v4 0/6] add and apply a rule to find "unused" init+free Junio C Hamano
2022-07-11  9:41       ` Jeff King
2022-07-11 10:54         ` Ævar Arnfjörð Bjarmason

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