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From: ZheNing Hu <adlternative@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: "ZheNing Hu via GitGitGadget" <gitgitgadget@gmail.com>,
	"Git List" <git@vger.kernel.org>,
	"Christian Couder" <christian.couder@gmail.com>,
	"Hariom Verma" <hariom18599@gmail.com>,
	"Bagas Sanjaya" <bagasdotme@gmail.com>,
	"Jeff King" <peff@peff.net>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH 14/15] [GSOC] cat-file: re-implement --textconv, --filters options
Date: Sat, 3 Jul 2021 14:17:40 +0800	[thread overview]
Message-ID: <CAOLTT8S4XnekSCAFNgPeQZD7JU2p3bm==9vHRDxcir-K+w4rqA@mail.gmail.com> (raw)
In-Reply-To: <xmqqy2aopwg2.fsf@gitster.g>

Junio C Hamano <gitster@pobox.com> 于2021年7月2日周五 下午11:27写道:
>
> ZheNing Hu <adlternative@gmail.com> writes:
>
> >> These global variables are problematic.  The places that check them
> >> are quite isolated, and it makes me wonder why we cannot pass a
> >> format instance through the callchain down to get_object().
> >
> > If we pass such two options In such a deep call chain, it seems not
> > worth to do it.
>
> OK.  After all, ref-filter.c has too many existing global variables
> (starting from the used_atom[] array) that makes it impossible to be
> a proper API that can be used to handle more than one invocations at
> once, so two more globals aren't making it any more hopeless than it
> currently is.  If we wanted to make the API reentrant, we'd need a
> bigger change anyway.
>

Yes, Using global variables may make the code non-reentrant.
Now I think because the "rest" is already in struct ref_array_item,
we can emulate "rest", adding these two flags "use_textconv"
and "use_filter" to struct ref_array_item. Then we can use them
in get_object().

> > Or just use "static" prefix?
>
> Yes, that is needed regardless to pass "make sparse".
>
> TShanks.

Thanks.
--
ZheNIng Hu

  reply	other threads:[~2021-07-03  6:17 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-01 16:07 [PATCH 00/15] [GSOC] cat-file: reuse ref-filter logic ZheNing Hu via GitGitGadget
2021-07-01 16:07 ` [PATCH 01/15] [GSOC] ref-filter: add obj-type check in grab contents ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 02/15] [GSOC] ref-filter: add %(raw) atom ZheNing Hu via GitGitGadget
2021-07-02 13:22   ` Ævar Arnfjörð Bjarmason
2021-07-03  5:14     ` ZheNing Hu
2021-07-01 16:08 ` [PATCH 03/15] [GSOC] ref-filter: --format=%(raw) re-support --perl ZheNing Hu via GitGitGadget
2021-07-02 13:29   ` Ævar Arnfjörð Bjarmason
2021-07-03  5:14     ` ZheNing Hu
2021-07-01 16:08 ` [PATCH 04/15] [GSOC] ref-filter: use non-const ref_format in *_atom_parser() ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 05/15] [GSOC] ref-filter: add %(rest) atom ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 06/15] [GSOC] ref-filter: pass get_object() return value to their callers ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 07/15] [GSOC] ref-filter: introduce free_ref_array_item_value() function ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 08/15] [GSOC] ref-filter: add cat_file_mode in struct ref_format ZheNing Hu via GitGitGadget
2021-07-02 13:32   ` Ævar Arnfjörð Bjarmason
2021-07-02 19:28     ` Eric Sunshine
2021-07-02 22:11       ` Christian Couder
2021-07-03  5:55         ` ZheNing Hu
2021-07-05  7:17           ` Ævar Arnfjörð Bjarmason
2021-07-01 16:08 ` [PATCH 09/15] [GSOC] ref-filter: modify the error message and value in get_object ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 10/15] [GSOC] cat-file: add has_object_file() check ZheNing Hu via GitGitGadget
2021-07-02 13:34   ` Ævar Arnfjörð Bjarmason
2021-07-03  5:50     ` ZheNing Hu
2021-07-01 16:08 ` [PATCH 11/15] [GSOC] cat-file: change batch_objects parameter name ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 12/15] [GSOC] cat-file: reuse ref-filter logic ZheNing Hu via GitGitGadget
2021-07-02 13:36   ` Ævar Arnfjörð Bjarmason
2021-07-02 13:45     ` Christian Couder
2021-07-03 11:45     ` ZheNing Hu
2021-07-03 13:37       ` Ævar Arnfjörð Bjarmason
2021-07-04 11:10         ` ZheNing Hu
2021-07-05  7:18           ` Ævar Arnfjörð Bjarmason
2021-07-03 14:17       ` ZheNing Hu
2021-07-01 16:08 ` [PATCH 13/15] [GSOC] cat-file: reuse err buf in batch_object_write() ZheNing Hu via GitGitGadget
2021-07-01 16:08 ` [PATCH 14/15] [GSOC] cat-file: re-implement --textconv, --filters options ZheNing Hu via GitGitGadget
2021-07-01 19:55   ` Junio C Hamano
2021-07-01 20:11   ` Junio C Hamano
2021-07-02 12:46     ` ZheNing Hu
2021-07-02 15:27       ` Junio C Hamano
2021-07-03  6:17         ` ZheNing Hu [this message]
2021-07-01 16:08 ` [PATCH 15/15] [GSOC] ref-filter: remove grab_oid() function ZheNing Hu via GitGitGadget

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