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From: Junio C Hamano <gitster@pobox.com>
To: Calvin Wan <calvinwan@google.com>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 3/6] common.h: move non-compat specific macros and functions from git-compat-util.h
Date: Tue, 16 May 2023 15:30:03 -0700	[thread overview]
Message-ID: <xmqqwn17sydw.fsf@gitster.g> (raw)
In-Reply-To: <20230516170932.1358685-4-calvinwan@google.com> (Calvin Wan's message of "Tue, 16 May 2023 17:09:28 +0000")

Calvin Wan <calvinwan@google.com> writes:

> git-compat-util.h has grown to a large and difficult to read file partly
> because its set of functionality is overloaded. Besides being a
> compatibility file that ensures Git's operation across different
> operating systems, it has also become a dumping ground for commonly used
> macros and static inline functions.

Yeah, compat-util.h started out as a (surprise) "compatibility aid"
that isolates the knowledge of platform specific inclusion order,
what feature macros to define before including which system header
file, etc.  "A dumping ground for common stuff"---aptly put ;-).

> This commit separates out macros and static inline functions that are
> compatible across operating systems into common.h.

It sounds a bit too generic a name to me, but OK.

At some level I am more or less indifferent, in the sense that both
compat-util and common need to be included by a .c file anyway,
whether it is _our_ source, or in a future third-party source that
wants to link with the libified part of Git, so it does notreally
make much of a difference if ARRAY_SIZE() is defined in which one of
these two headers.  But presumably such a future third-party source
may arrange their own system support using their own counterpart to
compat-util without using ours, and if that is what motivates this
change, I could understand why a more-or-less git-agnostic common.h
could be a good idea.

Everything, other than sane-ctype macros, does look like a generally
useful git-agnostic helper functions.  If we were to move in this
direction, I probably would prefer to separate sane-ctype macros in
a separate header, simply because they are _designed_ to override
system supplied ones and some third-party source may not want to use
such a "feature".

  reply	other threads:[~2023-05-16 22:30 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-16 17:09 [PATCH 0/6] git-compat-util cleanups Calvin Wan
2023-05-16 17:09 ` [PATCH 1/6] strbuf.h: move declarations for strbuf.c functions from git-compat-util.h Calvin Wan
2023-05-16 21:18   ` Junio C Hamano
2023-05-16 17:09 ` [PATCH 2/6] wrapper.h: move declarations for wrapper.c " Calvin Wan
2023-05-16 22:08   ` Junio C Hamano
2023-05-16 17:09 ` [PATCH 3/6] common.h: move non-compat specific macros and " Calvin Wan
2023-05-16 22:30   ` Junio C Hamano [this message]
2023-05-17 17:26     ` Calvin Wan
2023-05-16 17:09 ` [PATCH 4/6] usage.h: move declarations for usage.c " Calvin Wan
2023-05-16 17:09 ` [PATCH 5/6] treewide: remove unnecessary includes for wrapper.h Calvin Wan
2023-05-16 17:09 ` [PATCH 6/6] common: move alloc macros to common.h Calvin Wan
2023-05-16 17:54 ` [PATCH 0/6] git-compat-util cleanups Junio C Hamano
2023-05-16 19:00   ` Calvin Wan
2023-05-23 19:27 ` [PATCH v2 0/7] " Calvin Wan
2023-05-23 19:29   ` [PATCH v2 1/7] strbuf.h: move declarations for strbuf.c functions from git-compat-util.h Calvin Wan
2023-05-26 21:06     ` Jonathan Tan
2023-05-23 19:29   ` [PATCH v2 2/7] wrapper.h: move declarations for wrapper.c " Calvin Wan
2023-05-26 21:25     ` Jonathan Tan
2023-05-23 19:29   ` [PATCH v2 3/7] sane-ctype.h: move sane-ctype macros " Calvin Wan
2023-05-26 21:19     ` Jonathan Tan
2023-05-28 12:04       ` Phillip Wood
2023-05-30 17:29         ` Jonathan Tan
2023-06-01  4:12       ` Junio C Hamano
2023-05-23 19:29   ` [PATCH v2 4/7] common.h: move non-compat specific macros and functions " Calvin Wan
2023-05-23 19:29   ` [PATCH v2 5/7] usage.h: move declarations for usage.c " Calvin Wan
2023-05-23 19:29   ` [PATCH v2 6/7] treewide: remove unnecessary includes for wrapper.h Calvin Wan
2023-05-23 19:29   ` [PATCH v2 7/7] common: move alloc macros to common.h Calvin Wan
2023-05-26 21:27     ` Jonathan Tan
2023-05-26 21:03   ` [PATCH v2 0/7] git-compat-util cleanups Jonathan Tan
2023-06-06 17:07   ` [PATCH v3 0/8] " Calvin Wan
2023-06-06 17:09     ` [PATCH v3 1/8] git-compat-util: move strbuf.c funcs to its header Calvin Wan
2023-06-06 17:09     ` [PATCH v3 2/8] git-compat-util: move wrapper.c " Calvin Wan
2023-06-06 17:09     ` [PATCH v3 3/8] sane-ctype.h: create header for sane-ctype macros Calvin Wan
2023-06-06 17:09     ` [PATCH v3 4/8] kwset: move translation table from ctype Calvin Wan
2023-06-06 17:09     ` [PATCH v3 5/8] common.h: move non-compat specific macros and functions Calvin Wan
2023-06-06 22:45       ` Ramsay Jones
2023-06-07 17:02         ` Calvin Wan
2023-06-12 20:48           ` Junio C Hamano
2023-06-13 22:42             ` Calvin Wan
2023-06-13 23:10               ` Junio C Hamano
2023-06-14  1:58                 ` Calvin Wan
2023-06-06 17:10     ` [PATCH v3 6/8] git-compat-util: move usage.c funcs to its header Calvin Wan
2023-06-06 17:10     ` [PATCH v3 7/8] treewide: remove unnecessary includes for wrapper.h Calvin Wan
2023-06-06 17:10     ` [PATCH v3 8/8] common: move alloc macros to common.h Calvin Wan
2023-06-30 20:22     ` [PATCH v4 0/6] git-compat-util cleanups Calvin Wan
2023-06-30 20:23       ` [PATCH v4 1/6] git-compat-util: move strbuf.c funcs to its header Calvin Wan
2023-06-30 20:23       ` [PATCH v4 2/6] git-compat-util: move wrapper.c " Calvin Wan
2023-06-30 20:23       ` [PATCH v4 3/6] sane-ctype.h: create header for sane-ctype macros Calvin Wan
2023-06-30 20:23       ` [PATCH v4 4/6] kwset: move translation table from ctype Calvin Wan
2023-06-30 20:23       ` [PATCH v4 5/6] treewide: remove unnecessary includes for wrapper.h Calvin Wan
2023-06-30 20:23       ` [PATCH v4 6/6] common: move alloc macros to common.h Calvin Wan
2023-06-30 22:49         ` Junio C Hamano
2023-07-05 16:25           ` Calvin Wan
2023-07-05 17:33             ` Junio C Hamano
2023-07-05 17:58               ` Calvin Wan
2023-06-30 21:56       ` [PATCH v4 0/6] git-compat-util cleanups Junio C Hamano
2023-07-05 17:08       ` [PATCH v5 " Calvin Wan
2023-07-05 17:09         ` [PATCH v5 1/6] git-compat-util: move strbuf.c funcs to its header Calvin Wan
2023-07-05 17:09         ` [PATCH v5 2/6] git-compat-util: move wrapper.c " Calvin Wan
2023-07-05 17:09         ` [PATCH v5 3/6] sane-ctype.h: create header for sane-ctype macros Calvin Wan
2023-07-05 17:09         ` [PATCH v5 4/6] kwset: move translation table from ctype Calvin Wan
2023-07-05 17:09         ` [PATCH v5 5/6] treewide: remove unnecessary includes for wrapper.h Calvin Wan
2023-07-05 17:09         ` [PATCH v5 6/6] git-compat-util: move alloc macros to git-compat-util.h Calvin Wan

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