From: Junio C Hamano <gitster@pobox.com>
To: John Cai <johncai86@gmail.com>
Cc: John Cai via GitGitGadget <gitgitgadget@gmail.com>,
git@vger.kernel.org, me@ttaylorr.com, phillip.wood123@gmail.com,
avarab@gmail.com, e@80x24.org, bagasdotme@gmail.com,
Eric Sunshine <sunshine@sunshineco.com>,
Jonathan Tan <jonathantanmy@google.com>,
Christian Couder <christian.couder@gmail.com>
Subject: Re: [PATCH v7 4/4] cat-file: add --batch-command mode
Date: Tue, 15 Feb 2022 19:00:18 -0800 [thread overview]
Message-ID: <xmqq4k4zwm65.fsf@gitster.g> (raw)
In-Reply-To: <BE7471F8-0141-49ED-A34B-04D69BE18D96@gmail.com> (John Cai's message of "Tue, 15 Feb 2022 21:48:31 -0500")
John Cai <johncai86@gmail.com> writes:
> Yeah, this is what I had before but there was discussion about
> separation of concerns in [1]. But perhaps it's preferable
> compared to passing a pointer to nr.
Oh, I see.
I do not see any issue with separation of concerns here, actually.
As long as "dispatch_calls() consumes all the cmd[] before it
returns to the caller" is clearly understood between the function
and its caller(s) [*], clearing of "nr" the caller has is entirely
caller's problem. It becomes needed only because this caller
decides to reuse cmd[] array.
Side note: you do have a comment before the function to tell
what to expect out of the helper for its callers, right?
If it were just "accumulate many cmd[] and call the function once"
caller, it would care to maintain the correct "nr" only up to the
point where the function is called (because <cmd[], nr> pair is the
way the function takes the list of commands and it needs a correct
"nr"), but not after making the call, as the only thing left to do
would be to free the cmd[] array itself, which does not even need
"nr".
next prev parent reply other threads:[~2022-02-16 3:00 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-03 19:08 [PATCH 0/2] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-03 19:08 ` [PATCH 1/2] cat-file.c: rename cmdmode to mode John Cai via GitGitGadget
2022-02-03 19:28 ` Junio C Hamano
2022-02-04 12:10 ` Ævar Arnfjörð Bjarmason
2022-02-03 19:08 ` [PATCH 2/2] catfile.c: add --batch-command mode John Cai via GitGitGadget
2022-02-03 19:57 ` Junio C Hamano
2022-02-04 4:11 ` John Cai
2022-02-04 16:46 ` Phillip Wood
2022-02-04 6:45 ` Eric Sunshine
2022-02-04 21:41 ` John Cai
2022-02-05 6:52 ` Eric Sunshine
2022-02-04 12:11 ` Ævar Arnfjörð Bjarmason
2022-02-04 16:51 ` Phillip Wood
2022-02-07 16:33 ` [PATCH v2 0/2] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-07 16:33 ` [PATCH v2 1/2] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-07 23:58 ` Junio C Hamano
2022-02-07 16:33 ` [PATCH v2 2/2] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-07 23:34 ` Jonathan Tan
2022-02-08 11:00 ` Phillip Wood
2022-02-08 17:56 ` Jonathan Tan
2022-02-08 18:09 ` Junio C Hamano
2022-02-09 0:11 ` Jonathan Tan
2022-02-08 0:49 ` Junio C Hamano
2022-02-08 11:06 ` Phillip Wood
2022-02-08 20:58 ` [PATCH v3 0/3] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-08 20:58 ` [PATCH v3 1/3] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-08 20:58 ` [PATCH v3 2/3] cat-file: introduce batch_command enum to replace print_contents John Cai via GitGitGadget
2022-02-08 23:43 ` Junio C Hamano
2022-02-08 20:58 ` [PATCH v3 3/3] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-08 23:59 ` Junio C Hamano
2022-02-09 21:40 ` [PATCH v3 0/3] Add cat-file --batch-command flag Junio C Hamano
2022-02-09 22:22 ` John Cai
2022-02-09 23:10 ` John Cai
2022-02-10 4:01 ` [PATCH v4 " John Cai via GitGitGadget
2022-02-10 4:01 ` [PATCH v4 1/3] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-10 4:01 ` [PATCH v4 2/3] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-10 10:10 ` Christian Couder
2022-02-10 4:01 ` [PATCH v4 3/3] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-10 10:57 ` Phillip Wood
2022-02-10 17:05 ` Junio C Hamano
2022-02-11 17:45 ` John Cai
2022-02-11 20:07 ` Junio C Hamano
2022-02-11 21:30 ` John Cai
2022-02-10 18:55 ` John Cai
2022-02-10 22:46 ` Eric Sunshine
2022-02-10 20:30 ` [PATCH v4 0/3] Add cat-file --batch-command flag Junio C Hamano
2022-02-11 20:01 ` [PATCH v5 " John Cai via GitGitGadget
2022-02-11 20:01 ` [PATCH v5 1/3] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-11 20:01 ` [PATCH v5 2/3] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-11 20:01 ` [PATCH v5 3/3] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-14 13:59 ` Phillip Wood
2022-02-14 16:19 ` John Cai
2022-02-14 18:23 ` [PATCH v6 0/4] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-14 18:23 ` [PATCH v6 1/4] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-14 18:23 ` [PATCH v6 2/4] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-14 18:23 ` [PATCH v6 3/4] cat-file: add remove_timestamp helper John Cai via GitGitGadget
2022-02-14 18:23 ` [PATCH v6 4/4] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-15 19:39 ` Eric Sunshine
2022-02-15 22:58 ` John Cai
2022-02-15 23:20 ` Eric Sunshine
2022-02-16 0:53 ` [PATCH v7 0/4] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-16 0:53 ` [PATCH v7 1/4] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-16 0:53 ` [PATCH v7 2/4] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-16 0:53 ` [PATCH v7 3/4] cat-file: add remove_timestamp helper John Cai via GitGitGadget
2022-02-16 0:53 ` [PATCH v7 4/4] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-16 1:28 ` Junio C Hamano
2022-02-16 2:48 ` John Cai
2022-02-16 3:00 ` Junio C Hamano [this message]
2022-02-16 3:17 ` Eric Sunshine
2022-02-16 3:01 ` Eric Sunshine
2022-02-16 15:02 ` [PATCH v8 0/4] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-16 15:02 ` [PATCH v8 1/4] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-16 15:02 ` [PATCH v8 2/4] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-16 15:02 ` [PATCH v8 3/4] cat-file: add remove_timestamp helper John Cai via GitGitGadget
2022-02-16 15:02 ` [PATCH v8 4/4] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-16 17:15 ` Junio C Hamano
2022-02-16 17:25 ` Eric Sunshine
2022-02-16 20:30 ` John Cai
2022-02-16 20:59 ` [PATCH v9 0/4] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-16 20:59 ` [PATCH v9 1/4] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-16 20:59 ` [PATCH v9 2/4] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-16 20:59 ` [PATCH v9 3/4] cat-file: add remove_timestamp helper John Cai via GitGitGadget
2022-02-16 20:59 ` [PATCH v9 4/4] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-18 11:26 ` Phillip Wood
2022-02-18 16:53 ` John Cai
2022-02-18 17:32 ` Junio C Hamano
2022-02-18 17:23 ` Junio C Hamano
2022-02-18 18:23 ` [PATCH v10 0/4] Add cat-file --batch-command flag John Cai via GitGitGadget
2022-02-18 18:23 ` [PATCH v10 1/4] cat-file: rename cmdmode to transform_mode John Cai via GitGitGadget
2022-02-18 18:23 ` [PATCH v10 2/4] cat-file: introduce batch_mode enum to replace print_contents John Cai via GitGitGadget
2022-02-18 18:23 ` [PATCH v10 3/4] cat-file: add remove_timestamp helper John Cai via GitGitGadget
2022-02-19 6:33 ` Ævar Arnfjörð Bjarmason
2022-02-22 3:31 ` John Cai
2022-02-18 18:23 ` [PATCH v10 4/4] cat-file: add --batch-command mode John Cai via GitGitGadget
2022-02-19 6:35 ` Ævar Arnfjörð Bjarmason
2022-02-18 19:38 ` [PATCH v10 0/4] Add cat-file --batch-command flag Junio C Hamano
2022-02-22 11:07 ` Phillip Wood
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