From: Junio C Hamano <gitster@pobox•com>
To: David Kastrup <dak@gnu•org>
Cc: git@vger•kernel.org
Subject: Re: [PATCH] blame.c: prepare_lines should not call xrealloc for every line
Date: Wed, 05 Feb 2014 12:34:08 -0800 [thread overview]
Message-ID: <xmqqob2l2ta7.fsf@gitster.dls.corp.google.com> (raw)
In-Reply-To: <87r47hvrqt.fsf@fencepost.gnu.org> (David Kastrup's message of "Wed, 05 Feb 2014 10:22:18 +0100")
David Kastrup <dak@gnu•org> writes:
> Junio C Hamano <gitster@pobox•com> writes:
>
>> which I think is the prevalent style in our codebase. The same for
>> the other loop we see in the new code below.
>>
>> - avoid assignments in conditionals when you do not have to.
>
> commit a77a48c259d9adbe7779ca69a3432e493116b3fd
> Author: Junio C Hamano <gitster@pobox•com>
> Date: Tue Jan 28 13:55:59 2014 -0800
>
> combine-diff: simplify intersect_paths() further
> [...]
>
> + while ((p = *tail) != NULL) {
>
> Because we can.
Be reasonable. You cannot sensibly rewrite it to
p = *tail;
while (p) {
...
p = *tail;
}
when you do not know how ... part would evolve in the future.
if ((p = *tail) != NULL) {
...
is a totally different issue.
next prev parent reply other threads:[~2014-02-05 20:34 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-04 20:06 [PATCH] blame.c: prepare_lines should not call xrealloc for every line David Kastrup
2014-02-04 20:10 ` David Kastrup
2014-02-04 20:49 ` Junio C Hamano
2014-02-04 21:00 ` Junio C Hamano
2014-02-04 21:09 ` David Kastrup
2014-02-04 22:28 ` Philip Oakley
2014-02-04 22:48 ` Philip Oakley
2014-02-04 20:24 ` Junio C Hamano
2014-02-04 20:52 ` David Kastrup
2014-02-04 21:03 ` Junio C Hamano
2014-02-04 21:11 ` David Kastrup
2014-02-04 21:41 ` Junio C Hamano
2014-02-04 21:27 ` David Kastrup
2014-02-04 21:44 ` Junio C Hamano
2014-02-04 21:48 ` David Kastrup
2014-02-04 22:06 ` Junio C Hamano
2014-02-05 8:39 ` David Kastrup
2014-02-05 20:39 ` Junio C Hamano
2014-02-06 0:34 ` David Kastrup
2014-02-06 10:29 ` David Kastrup
2014-02-05 9:22 ` David Kastrup
2014-02-05 20:34 ` Junio C Hamano [this message]
2014-02-05 23:45 ` David Kastrup
-- strict thread matches above, loose matches on Subject: below --
2014-02-04 21:40 David Kastrup
2014-02-04 21:46 David Kastrup
2014-02-12 14:27 David Kastrup
2014-02-12 19:36 ` Junio C Hamano
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