From: Junio C Hamano <gitster@pobox.com>
To: Stefan Beller <sbeller@google.com>
Cc: Brandon Williams <bmwill@google.com>, git <git@vger.kernel.org>
Subject: Re: [PATCH v3 2/8] diff: convert flags to be stored in bitfields
Date: Wed, 01 Nov 2017 10:26:49 +0900 [thread overview]
Message-ID: <xmqq8tfqyejq.fsf@gitster.mtv.corp.google.com> (raw)
In-Reply-To: <CAGZ79kajX=FmGacDSv_dDzppE6WBHGqgyCpaG1zDyENcsDbwZg@mail.gmail.com> (Stefan Beller's message of "Tue, 31 Oct 2017 14:32:20 -0700")
Stefan Beller <sbeller@google.com> writes:
> After some quick research our coding style on bit fields is twofold:
> Most older code is this way and more recent code seems to prefer
>
> unsigned <FLAGNAME> SP : SP ;
Yes, we are very inconsistent. What does the clang format rules
Brandon came up with have to say on this? FWIW, checkpatch.pl is
unhappy without spaces on both side.
>> +static inline void diff_flags_or(struct diff_flags *a,
>> + const struct diff_flags *b)
>> +{
>> + char *tmp_a = (char *)a;
>> + const char *tmp_b = (const char *)b;
>> + int i;
>> +
>> + for (i = 0; i < sizeof(struct diff_flags); i++)
>
> I think most of the code prefers to put the variable into the sizeof
> argument i.e. 'sizeof(*a)', as that is presumably more maintainable.
> (If the type of 'a' changes, then we don't forget to adapt this place,
> but the compiler can take care of it.
Yup, but in this case we won't change the type, no?
next prev parent reply other threads:[~2017-11-01 1:26 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-27 22:28 [PATCH 0/3] convert diff flags to be stored in a struct Brandon Williams
2017-10-27 22:28 ` [PATCH 1/3] add: use DIFF_OPT_SET macro to set a diff flag Brandon Williams
2017-10-27 22:28 ` [PATCH 2/3] reset: " Brandon Williams
2017-10-29 1:26 ` Junio C Hamano
2017-10-30 18:06 ` Brandon Williams
2017-10-27 22:28 ` [PATCH 3/3] diff: convert flags to be stored in bitfields Brandon Williams
2017-10-29 1:55 ` Junio C Hamano
2017-10-30 0:29 ` Junio C Hamano
2017-10-30 19:39 ` Brandon Williams
2017-10-31 2:49 ` Junio C Hamano
2017-10-30 17:49 ` Brandon Williams
2017-10-29 1:22 ` [PATCH 0/3] convert diff flags to be stored in a struct Junio C Hamano
2017-10-29 4:37 ` Stefan Beller
2017-10-30 19:46 ` [PATCH v2 0/4] " Brandon Williams
2017-10-30 19:46 ` [PATCH v2 1/4] add, reset: use DIFF_OPT_SET macro to set a diff flag Brandon Williams
2017-10-30 19:46 ` [PATCH v2 2/4] diff: convert flags to be stored in bitfields Brandon Williams
2017-10-31 4:41 ` Junio C Hamano
2017-10-31 5:23 ` [PATCH 2.5/4] diff: avoid returning a struct by value from diff_flags_or() Junio C Hamano
2017-10-31 17:51 ` Brandon Williams
2017-10-30 19:46 ` [PATCH v2 3/4] diff: add flag to indicate textconv was set via cmdline Brandon Williams
2017-10-30 20:41 ` Stefan Beller
2017-10-30 20:44 ` Brandon Williams
2017-10-30 20:48 ` Brandon Williams
2017-10-31 5:02 ` Junio C Hamano
2017-10-31 5:23 ` [PATCH 3.5/4] diff: set TEXTCONV_VIA_CMDLINE only when it is set to true Junio C Hamano
2017-10-31 17:55 ` Brandon Williams
2017-10-30 19:46 ` [PATCH v2 4/4] diff: remove touched flags Brandon Williams
2017-10-30 22:19 ` [PATCH v2 5/4] diff: remove DIFF_OPT_TST macro Brandon Williams
2017-10-30 22:19 ` [PATCH v2 6/4] diff: remove DIFF_OPT_SET macro Brandon Williams
2017-10-30 22:19 ` [PATCH v2 7/4] diff: remove DIFF_OPT_CLR macro Brandon Williams
2017-10-30 22:19 ` [PATCH v2 8/4] diff: make struct diff_flags members lowercase Brandon Williams
2017-10-31 18:19 ` [PATCH v3 0/8] convert diff flags to be stored in a struct Brandon Williams
2017-10-31 18:19 ` [PATCH v3 1/8] add, reset: use DIFF_OPT_SET macro to set a diff flag Brandon Williams
2017-10-31 18:19 ` [PATCH v3 2/8] diff: convert flags to be stored in bitfields Brandon Williams
2017-10-31 21:32 ` Stefan Beller
2017-11-01 1:26 ` Junio C Hamano [this message]
2017-11-01 17:11 ` Stefan Beller
2017-10-31 18:19 ` [PATCH v3 3/8] diff: add flag to indicate textconv was set via cmdline Brandon Williams
2017-10-31 18:19 ` [PATCH v3 4/8] diff: remove touched flags Brandon Williams
2017-10-31 18:19 ` [PATCH v3 5/8] diff: remove DIFF_OPT_TST macro Brandon Williams
2017-10-31 18:19 ` [PATCH v3 6/8] diff: remove DIFF_OPT_SET macro Brandon Williams
2017-10-31 18:19 ` [PATCH v3 7/8] diff: remove DIFF_OPT_CLR macro Brandon Williams
2017-10-31 21:44 ` Stefan Beller
2017-11-01 2:52 ` Junio C Hamano
2017-10-31 18:19 ` [PATCH v3 8/8] diff: make struct diff_flags members lowercase Brandon Williams
2017-10-31 21:46 ` [PATCH v3 0/8] convert diff flags to be stored in a struct Stefan Beller
2017-11-01 6:23 ` Junio C Hamano
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