From: Teng Long <dyroneteng@gmail.com>
To: sunshine@sunshineco.com
Cc: avarab@gmail.com, dyroneteng@gmail.com, git@vger.kernel.org,
tenglong.tl@alibaba-inc.com
Subject: Re: [PATCH v4 1/5] notes.c: cleanup 'strbuf_grow' call in 'append_edit'
Date: Sat, 28 Jan 2023 19:22:38 +0800 [thread overview]
Message-ID: <20230128112238.56553-1-tenglong.tl@alibaba-inc.com> (raw)
In-Reply-To: <CAPig+cQKJxJCwk1GWtQ=LNNA=z9tQxYUwn9CMcXE4R9g8eKU7A@mail.gmail.com>
Eric Sunshine <sunshine@sunshineco.com> writes:
> On Wed, Jan 11, 2023 at 9:48 PM Teng Long <dyroneteng@gmail.com> wrote:
> > Let's cleanup the unnecessary 'strbuf_grow' call in 'append_edit'. This
> > "strbuf_grow(&d.buf, size + 1);" is prepared for insert a blank line if
> > needed, but actually when inserting, "strbuf_insertstr(&d.buf, 0,
> > "\n");" will do the "grow" for us.
> >
> > Signed-off-by: Teng Long <dyroneteng@gmail.com>
> > ---
> > diff --git a/builtin/notes.c b/builtin/notes.c
> > @@ -618,7 +618,6 @@ static int append_edit(int argc, const char **argv, const char *prefix)
> > char *prev_buf = read_object_file(note, &type, &size);
> >
> > - strbuf_grow(&d.buf, size + 1);
> > if (d.buf.len && prev_buf && size)
> > strbuf_insertstr(&d.buf, 0, "\n");
>
> Indeed, it's not clear why that was there in the first place. Digging
> through history doesn't shed any light on it. It was introduced by
> 2347fae50b (builtin-notes: Add "append" subcommand for appending to
> note objects, 2010-02-13)[1], but there's no explanation as to why it
> was coded that way. Best guess may be that the author originally
> inserted "\n" manually by direct manipulation of the strbuf rather
> than employing a strbuf function, but then switched to strbuf_insert()
> before submitting the series and forgot to remove the now-unnecessary
> strbuf_grow().
Yes, I have the same opinion with you, maybe original idea to savesome array
creation overhead? I'm not sure, but I think the deletion here is OK.
Thanks.
next prev parent reply other threads:[~2023-01-28 11:22 UTC|newest]
Thread overview: 186+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-13 5:56 [RFC PATCH 0/2] notes.c: introduce "--no-blankline" option Teng Long
2022-10-13 5:56 ` [RFC PATCH 1/2] " Teng Long
2022-10-13 6:06 ` Junio C Hamano
2022-10-17 13:19 ` Teng Long
2022-10-13 9:31 ` Ævar Arnfjörð Bjarmason
2022-10-17 13:33 ` Teng Long
2022-10-13 5:56 ` [RFC PATCH 2/2] notes.c: fixed tip when target and append note are both empty Teng Long
2022-10-13 9:36 ` Ævar Arnfjörð Bjarmason
2022-10-13 10:10 ` Phillip Wood
2022-10-13 10:23 ` Ævar Arnfjörð Bjarmason
2022-10-15 19:40 ` Phillip Wood
2022-10-18 3:25 ` Teng Long
2022-10-18 8:08 ` Teng Long
2022-10-18 3:11 ` Teng Long
2022-10-18 9:23 ` Ævar Arnfjörð Bjarmason
2022-11-07 13:57 ` [PATCH v2 0/3] notes.c: introduce "--blank-line" option Teng Long
2022-11-07 13:57 ` [PATCH v2 1/3] " Teng Long
2022-11-07 14:45 ` Ævar Arnfjörð Bjarmason
2022-11-07 15:45 ` Eric Sunshine
2022-11-07 17:22 ` Ævar Arnfjörð Bjarmason
2022-11-07 21:46 ` Taylor Blau
2022-11-07 22:36 ` Ævar Arnfjörð Bjarmason
2022-11-08 0:32 ` Taylor Blau
2022-11-08 3:45 ` Teng Long
2022-11-08 13:06 ` Teng Long
2022-11-08 13:22 ` Ævar Arnfjörð Bjarmason
2022-11-09 6:35 ` Teng Long
2022-11-07 15:06 ` Ævar Arnfjörð Bjarmason
2022-11-08 6:32 ` Teng Long
2022-11-07 21:47 ` Taylor Blau
2022-11-08 7:36 ` Teng Long
2022-11-07 13:57 ` [PATCH v2 2/3] notes.c: fixed tip when target and append note are both empty Teng Long
2022-11-07 14:40 ` Ævar Arnfjörð Bjarmason
2022-11-07 21:51 ` Taylor Blau
2022-11-07 22:33 ` Ævar Arnfjörð Bjarmason
2022-11-07 22:45 ` Taylor Blau
2022-11-08 8:55 ` Teng Long
2022-11-07 13:57 ` [PATCH v2 3/3] notes.c: drop unreachable code in "append_edit()" Teng Long
2022-11-07 14:41 ` Ævar Arnfjörð Bjarmason
2022-11-07 14:57 ` [PATCH v2 0/3] notes.c: introduce "--blank-line" option Ævar Arnfjörð Bjarmason
2022-11-09 7:05 ` Teng Long
2022-11-09 7:06 ` Teng Long
2022-11-09 9:06 ` [PATCH v3 0/5] notes.c: introduce "--no-blank-line" option Teng Long
2022-11-09 9:06 ` [PATCH v3 1/5] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2022-11-09 9:06 ` [PATCH v3 2/5] notes.c: cleanup for "designated init" and "char ptr init" Teng Long
2022-11-09 9:06 ` [PATCH v3 3/5] notes.c: drop unreachable code in 'append_edit()' Teng Long
2022-11-09 9:06 ` [PATCH v3 4/5] notes.c: provide tips when target and append note are both empty Teng Long
2022-11-09 9:06 ` [PATCH v3 5/5] notes.c: introduce "--no-blank-line" option Teng Long
2022-11-28 14:20 ` [PATCH v3 0/5] " Teng Long
2022-11-29 1:10 ` Junio C Hamano
2022-11-29 22:53 ` Taylor Blau
2022-11-29 12:57 ` Teng Long
2022-11-29 13:19 ` Junio C Hamano
2022-12-15 12:48 ` Teng Long
2022-12-19 3:03 ` Eric Sunshine
2022-12-21 9:16 ` Teng Long
2022-12-21 11:35 ` Junio C Hamano
2022-12-22 9:30 ` Teng Long
2022-12-23 1:36 ` Eric Sunshine
2023-01-12 2:48 ` [PATCH v4 0/5] notes.c: introduce "--separator" optio Teng Long
2023-01-12 2:48 ` [PATCH v4 1/5] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-01-15 4:53 ` Eric Sunshine
2023-01-28 11:22 ` Teng Long [this message]
2023-01-12 2:48 ` [PATCH v4 2/5] notes.c: cleanup for "designated init" and "char ptr init" Teng Long
2023-01-12 9:51 ` Ævar Arnfjörð Bjarmason
2023-01-28 11:33 ` Teng Long
2023-01-12 2:48 ` [PATCH v4 3/5] notes.c: drop unreachable code in 'append_edit()' Teng Long
2023-01-15 20:59 ` Eric Sunshine
2023-01-15 21:10 ` Eric Sunshine
2023-01-28 11:50 ` Teng Long
2023-01-30 5:38 ` Eric Sunshine
2023-02-01 8:08 ` Teng Long
2023-01-12 2:48 ` [PATCH v4 4/5] notes.c: provide tips when target and append note are both empty Teng Long
2023-01-12 9:52 ` Ævar Arnfjörð Bjarmason
2023-01-15 21:28 ` Eric Sunshine
2023-01-12 2:48 ` [PATCH v4 5/5] notes.c: introduce "--separator" option Teng Long
2023-01-12 9:53 ` Ævar Arnfjörð Bjarmason
2023-01-15 22:04 ` Eric Sunshine
2023-01-15 22:15 ` Eric Sunshine
2023-02-16 13:05 ` [PATCH v5 0/3] " Teng Long
2023-02-16 13:05 ` [PATCH v5 1/3] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-02-16 18:39 ` Junio C Hamano
2023-02-20 3:34 ` Teng Long
2023-02-16 13:05 ` [PATCH v5 2/3] notes.c: cleanup for "designated init" Teng Long
2023-02-16 18:39 ` Junio C Hamano
2023-02-16 13:05 ` [PATCH v5 3/3] notes.c: introduce "--separator" option Teng Long
2023-02-16 23:22 ` Junio C Hamano
2023-02-20 14:00 ` Teng Long
2023-02-21 21:31 ` Junio C Hamano
2023-02-22 8:17 ` Teng Long
2023-02-22 23:15 ` Junio C Hamano
2023-02-23 7:29 ` [PATCH v6 0/3] " Teng Long
2023-02-23 7:29 ` [PATCH v6 1/3] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-02-23 7:29 ` [PATCH v6 2/3] notes.c: cleanup for "designated init" Teng Long
2023-02-23 7:29 ` [PATCH v6 3/3] notes.c: introduce '--separator=<paragraph-break>' option Teng Long
2023-02-23 18:21 ` Junio C Hamano
2023-02-28 14:11 ` Teng Long
2023-02-25 21:30 ` Junio C Hamano
2023-02-28 14:14 ` Teng Long
2023-03-27 13:13 ` [PATCH v6 0/3] notes.c: introduce "--separator" option Teng Long
2023-03-28 14:28 ` [PATCH v7 0/4] " Teng Long
2023-03-28 14:28 ` [PATCH v7 1/4] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-03-28 14:28 ` [PATCH v7 2/4] notes.c: cleanup for "designated init" Teng Long
2023-03-29 22:17 ` Junio C Hamano
2023-03-28 14:28 ` [PATCH v7 3/4] notes.c: introduce '--separator=<paragraph-break>' option Teng Long
2023-03-28 15:37 ` Junio C Hamano
2023-03-29 14:15 ` Teng Long
2023-03-29 21:48 ` Junio C Hamano
2023-04-13 9:36 ` Teng Long
2023-03-28 14:28 ` [PATCH v7 4/4] notes.c: don't do stripespace when parse file arg Teng Long
2023-03-28 15:54 ` Junio C Hamano
2023-03-29 12:06 ` Teng Long
2023-03-29 16:21 ` Junio C Hamano
2023-04-25 13:34 ` [PATCH 0/6] notes.c: introduce "--separator" option Teng Long
2023-04-25 13:34 ` [PATCH v8 1/6] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-04-25 13:34 ` [PATCH v8 2/6] notes.c: use designated initializers for clarity Teng Long
2023-04-25 13:34 ` [PATCH v8 3/6] t3321: add test cases about the notes stripspace behavior Teng Long
2023-04-25 16:25 ` Junio C Hamano
2023-04-27 3:47 ` Teng Long
2023-04-25 13:34 ` [PATCH v8 4/6] notes.c: introduce '--separator=<paragraph-break>' option Teng Long
2023-04-25 17:34 ` Junio C Hamano
2023-04-27 7:21 ` Teng Long
2023-04-27 18:21 ` Junio C Hamano
2023-04-25 17:35 ` Junio C Hamano
2023-04-25 13:34 ` [PATCH v8 5/6] notes.c: append separator instead of insert by pos Teng Long
2023-04-25 17:47 ` Junio C Hamano
2023-04-27 7:51 ` Teng Long
2023-04-25 13:34 ` [PATCH v8 6/6] notes.c: introduce "--[no-]stripspace" option Teng Long
2023-04-25 17:49 ` Junio C Hamano
2023-04-28 7:40 ` Teng Long
2023-04-28 18:21 ` Junio C Hamano
2023-04-28 9:23 ` [PATCH v9 0/6] notes.c: introduce "--separator" option Teng Long
2023-04-28 9:23 ` [PATCH v9 1/6] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-04-28 9:23 ` [PATCH v9 2/6] notes.c: use designated initializers for clarity Teng Long
2023-04-28 9:23 ` [PATCH v9 3/6] t3321: add test cases about the notes stripspace behavior Teng Long
2023-04-28 9:23 ` [PATCH v9 4/6] notes.c: introduce '--separator=<paragraph-break>' option Teng Long
2023-04-28 20:44 ` Junio C Hamano
2023-05-06 9:12 ` Teng Long
2023-05-06 9:22 ` Teng Long
2023-05-10 19:19 ` Kristoffer Haugsbakk
2023-05-12 4:07 ` Teng Long
2023-05-12 7:29 ` Kristoffer Haugsbakk
2023-05-16 17:00 ` Junio C Hamano
2023-05-17 3:58 ` Teng Long
2023-05-17 15:32 ` Junio C Hamano
2023-06-14 1:02 ` Junio C Hamano
2023-06-14 1:10 ` [PATCH] notes: do not access before the beginning of an array Junio C Hamano
2023-06-14 1:41 ` [PATCH v9 4/6] notes.c: introduce '--separator=<paragraph-break>' option Eric Sunshine
2023-06-14 2:07 ` Junio C Hamano
2023-06-15 7:13 ` Jeff King
2023-06-15 19:15 ` Junio C Hamano
2023-06-19 6:08 ` Teng Long
2023-06-20 20:36 ` Junio C Hamano
2023-06-21 2:50 ` Teng Long
2023-04-28 9:23 ` [PATCH v9 5/6] notes.c: append separator instead of insert by pos Teng Long
2023-04-28 9:23 ` [PATCH v9 6/6] notes.c: introduce "--[no-]stripspace" option Teng Long
2023-04-28 20:46 ` [PATCH v9 0/6] notes.c: introduce "--separator" option Junio C Hamano
2023-05-01 22:29 ` Junio C Hamano
2023-05-18 12:02 ` [PATCH v10 " Teng Long
2023-05-18 12:02 ` [PATCH v10 1/6] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-05-18 12:02 ` [PATCH v10 2/6] notes.c: use designated initializers for clarity Teng Long
2023-05-18 12:02 ` [PATCH v10 3/6] t3321: add test cases about the notes stripspace behavior Teng Long
2023-05-18 12:02 ` [PATCH v10 4/6] notes.c: introduce '[--[no-]separator|--separator=<paragraph-break>]' option Teng Long
2023-05-18 14:34 ` Kristoffer Haugsbakk
2023-05-20 10:41 ` Teng Long
2023-05-20 16:12 ` Kristoffer Haugsbakk
2023-05-19 0:54 ` Jeff King
2023-05-27 7:17 ` Teng Long
2023-05-27 17:19 ` Jeff King
2023-05-29 11:48 ` Teng Long
2023-05-18 12:02 ` [PATCH v10 5/6] notes.c: append separator instead of insert by pos Teng Long
2023-05-18 12:02 ` [PATCH v10 6/6] notes.c: introduce "--[no-]stripspace" option Teng Long
2023-05-18 13:56 ` [PATCH v10 0/6] notes.c: introduce "--separator" option Kristoffer Haugsbakk
2023-05-20 10:22 ` Teng Long
2023-05-18 15:17 ` Junio C Hamano
2023-05-20 10:59 ` Teng Long
2023-05-27 7:57 ` [PATCH v11 0/7] notes.c: introduce "--separator" Teng Long
2023-05-27 7:57 ` [PATCH v11 1/7] notes.c: cleanup 'strbuf_grow' call in 'append_edit' Teng Long
2023-05-27 7:57 ` [PATCH v11 2/7] notes.c: use designated initializers for clarity Teng Long
2023-05-27 7:57 ` [PATCH v11 3/7] t3321: add test cases about the notes stripspace behavior Teng Long
2023-05-27 7:57 ` [PATCH v11 4/7] notes.c: introduce '--separator=<paragraph-break>' option Teng Long
2023-05-27 7:57 ` [PATCH v11 5/7] notes.c: append separator instead of insert by pos Teng Long
2023-05-27 7:57 ` [PATCH v11 6/7] notes.c: introduce "--[no-]stripspace" option Teng Long
2023-05-27 7:57 ` [PATCH v11 7/7] notes: introduce "--no-separator" option Teng Long
2023-06-01 5:50 ` [PATCH v11 0/7] notes.c: introduce "--separator" Junio C Hamano
2023-06-03 10:01 ` Teng Long
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