From: Junio C Hamano <gitster@pobox.com>
To: "Linus Arver via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Glen Choo <chooglen@google.com>,
Christian Couder <chriscool@tuxfamily.org>,
Phillip Wood <phillip.wood123@gmail.com>,
Linus Arver <linusa@google.com>
Subject: Re: [PATCH v2 1/6] trailer: separate public from internal portion of trailer_iterator
Date: Mon, 11 Sep 2023 10:10:03 -0700 [thread overview]
Message-ID: <xmqqbke8ws9g.fsf@gitster.g> (raw)
In-Reply-To: <4f116d2550f6cf218477560a9e25dbe4c384a2a6.1694240177.git.gitgitgadget@gmail.com> (Linus Arver via GitGitGadget's message of "Sat, 09 Sep 2023 06:16:12 +0000")
"Linus Arver via GitGitGadget" <gitgitgadget@gmail.com> writes:
> From: Linus Arver <linusa@google.com>
>
> The fields here are not meant to be used by downstream callers, so put
> them behind an anonymous struct named as "internal" to warn against
> their use. This follows the pattern in 576de3d956 (unpack_trees: start
> splitting internal fields from public API, 2023-02-27).
OK. The patch shows that there exist no code external to this file
that touch these members that are marked "private", so it has some
auditing value from that point of view, which is nice.
But that is only about today's code and does not protect us from
future breakage. In other words, "git grep internal\\." would not
be an effective way to find misuses of these members from the
sidelines. But that is OK, as "git grep -E '([.]|->)info'" would
not be an effective way in today's code, either, and the patch is
not making things worse.
Queued. Thanks.
> Signed-off-by: Linus Arver <linusa@google.com>
> ---
> trailer.c | 10 +++++-----
> trailer.h | 6 ++++--
> 2 files changed, 9 insertions(+), 7 deletions(-)
>
> diff --git a/trailer.c b/trailer.c
> index f408f9b058d..de4bdece847 100644
> --- a/trailer.c
> +++ b/trailer.c
> @@ -1220,14 +1220,14 @@ void trailer_iterator_init(struct trailer_iterator *iter, const char *msg)
> strbuf_init(&iter->key, 0);
> strbuf_init(&iter->val, 0);
> opts.no_divider = 1;
> - trailer_info_get(&iter->info, msg, &opts);
> - iter->cur = 0;
> + trailer_info_get(&iter->internal.info, msg, &opts);
> + iter->internal.cur = 0;
> }
>
> int trailer_iterator_advance(struct trailer_iterator *iter)
> {
> - while (iter->cur < iter->info.trailer_nr) {
> - char *trailer = iter->info.trailers[iter->cur++];
> + while (iter->internal.cur < iter->internal.info.trailer_nr) {
> + char *trailer = iter->internal.info.trailers[iter->internal.cur++];
> int separator_pos = find_separator(trailer, separators);
>
> if (separator_pos < 1)
> @@ -1245,7 +1245,7 @@ int trailer_iterator_advance(struct trailer_iterator *iter)
>
> void trailer_iterator_release(struct trailer_iterator *iter)
> {
> - trailer_info_release(&iter->info);
> + trailer_info_release(&iter->internal.info);
> strbuf_release(&iter->val);
> strbuf_release(&iter->key);
> }
> diff --git a/trailer.h b/trailer.h
> index 795d2fccfd9..ab2cd017567 100644
> --- a/trailer.h
> +++ b/trailer.h
> @@ -119,8 +119,10 @@ struct trailer_iterator {
> struct strbuf val;
>
> /* private */
> - struct trailer_info info;
> - size_t cur;
> + struct {
> + struct trailer_info info;
> + size_t cur;
> + } internal;
> };
>
> /*
next prev parent reply other threads:[~2023-09-11 23:02 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-05 5:04 [PATCH 0/5] Trailer readability cleanups Linus Arver via GitGitGadget
2023-08-05 5:04 ` [PATCH 1/5] trailer: separate public from internal portion of trailer_iterator Linus Arver via GitGitGadget
2023-08-07 21:16 ` Glen Choo
2023-08-08 12:19 ` Phillip Wood
2023-08-10 23:15 ` Linus Arver
2023-08-10 22:50 ` Linus Arver
2023-08-05 5:04 ` [PATCH 2/5] trailer: split process_input_file into separate pieces Linus Arver via GitGitGadget
2023-08-07 22:39 ` Glen Choo
2023-08-11 0:41 ` Linus Arver
2023-08-05 5:04 ` [PATCH 3/5] trailer: split process_command_line_args into separate functions Linus Arver via GitGitGadget
2023-08-07 22:51 ` Glen Choo
2023-08-11 0:59 ` Linus Arver
2023-08-11 1:02 ` Linus Arver
2023-08-11 21:11 ` Glen Choo
2023-08-05 5:04 ` [PATCH 4/5] trailer: teach find_patch_start about --no-divider Linus Arver via GitGitGadget
2023-08-07 23:28 ` Glen Choo
2023-08-11 1:25 ` Linus Arver
2023-08-11 20:51 ` Glen Choo
2023-08-05 5:04 ` [PATCH 5/5] trailer: rename *_DEFAULT enums to *_UNSPECIFIED Linus Arver via GitGitGadget
2023-08-07 23:45 ` Glen Choo
2023-08-11 18:00 ` Linus Arver
2023-09-09 6:16 ` [PATCH v2 0/6] Trailer readability cleanups Linus Arver via GitGitGadget
2023-09-09 6:16 ` [PATCH v2 1/6] trailer: separate public from internal portion of trailer_iterator Linus Arver via GitGitGadget
2023-09-11 17:10 ` Junio C Hamano [this message]
2023-09-09 6:16 ` [PATCH v2 2/6] trailer: split process_input_file into separate pieces Linus Arver via GitGitGadget
2023-09-11 17:10 ` Junio C Hamano
2023-09-09 6:16 ` [PATCH v2 3/6] trailer: split process_command_line_args into separate functions Linus Arver via GitGitGadget
2023-09-09 6:16 ` [PATCH v2 4/6] trailer: teach find_patch_start about --no-divider Linus Arver via GitGitGadget
2023-09-11 17:25 ` Junio C Hamano
2023-09-14 2:19 ` Linus Arver
2023-09-14 3:12 ` Junio C Hamano
2023-09-14 5:31 ` Linus Arver
2023-09-09 6:16 ` [PATCH v2 5/6] trailer: rename *_DEFAULT enums to *_UNSPECIFIED Linus Arver via GitGitGadget
2023-09-11 18:54 ` Junio C Hamano
2023-09-14 2:41 ` Linus Arver
2023-09-14 3:16 ` Junio C Hamano
2023-09-22 18:23 ` Linus Arver
2023-09-22 19:48 ` Junio C Hamano
2023-09-26 5:30 ` Linus Arver
2023-09-09 6:16 ` [PATCH v2 6/6] trailer: use offsets for trailer_start/trailer_end Linus Arver via GitGitGadget
2023-09-11 19:01 ` Junio C Hamano
2023-09-14 1:21 ` Linus Arver
2023-09-14 3:18 ` Linus Arver
2023-09-22 19:50 ` [PATCH v3 0/9] Trailer readability cleanups Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 1/9] trailer: separate public from internal portion of trailer_iterator Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 2/9] trailer: split process_input_file into separate pieces Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 3/9] trailer: split process_command_line_args into separate functions Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 4/9] trailer: rename *_DEFAULT enums to *_UNSPECIFIED Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 5/9] commit: ignore_non_trailer computes number of bytes to ignore Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 6/9] trailer: find the end of the log message Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 7/9] trailer: use offsets for trailer_start/trailer_end Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 8/9] trailer: only use trailer_block_* variables if trailers were found Linus Arver via GitGitGadget
2023-09-22 19:50 ` [PATCH v3 9/9] trailer: make stack variable names match field names Linus Arver via GitGitGadget
2023-09-22 22:47 ` [PATCH v3 0/9] Trailer readability cleanups Junio C Hamano
2023-09-22 23:13 ` Linus Arver
2023-09-23 0:48 ` Junio C Hamano
2023-09-26 5:40 ` Linus Arver
2023-09-26 6:22 ` [PATCH v4 0/4] " Linus Arver via GitGitGadget
2023-09-26 6:22 ` [PATCH v4 1/4] commit: ignore_non_trailer computes number of bytes to ignore Linus Arver via GitGitGadget
2023-09-26 6:22 ` [PATCH v4 2/4] trailer: find the end of the log message Linus Arver via GitGitGadget
2023-09-28 23:16 ` Jonathan Tan
2023-10-20 0:24 ` Linus Arver
2023-10-20 0:36 ` Junio C Hamano
2023-09-26 6:22 ` [PATCH v4 3/4] trailer: use offsets for trailer_start/trailer_end Linus Arver via GitGitGadget
2023-09-26 6:22 ` [PATCH v4 4/4] trailer: only use trailer_block_* variables if trailers were found Linus Arver via GitGitGadget
2023-10-20 19:01 ` [PATCH v5 0/3] Trailer readability cleanups Linus Arver via GitGitGadget
2023-10-20 19:01 ` [PATCH v5 1/3] commit: ignore_non_trailer computes number of bytes to ignore Linus Arver via GitGitGadget
2023-10-20 19:01 ` [PATCH v5 2/3] trailer: find the end of the log message Linus Arver via GitGitGadget
2023-10-20 21:29 ` Junio C Hamano
2023-12-29 6:42 ` Linus Arver
2023-12-29 21:03 ` Linus Arver
2023-10-20 19:01 ` [PATCH v5 3/3] trailer: use offsets for trailer_start/trailer_end Linus Arver via GitGitGadget
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