From: Andreas Schwab <schwab@linux-m68k•org>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail•com>
Cc: git@vger•kernel.org, Junio C Hamano <gitster@pobox•com>,
Jim Meyering <jim@meyering•net>,
Fredrik Gustafsson <iveqy@iveqy•com>
Subject: Re: [PATCH 3/3] grep: get rid of useless x < 0 comparison on an enum member
Date: Mon, 07 Nov 2011 14:12:28 +0100 [thread overview]
Message-ID: <m3pqh4krer.fsf@hase.home> (raw)
In-Reply-To: <CACBZZX6CRm1W5i43=LeXPJFdcWFgVTkD8cGntHoKsPoWGx_hNg@mail.gmail.com> ("Ævar Arnfjörð Bjarmason"'s message of "Mon, 7 Nov 2011 13:42:39 +0100")
Ævar Arnfjörð Bjarmason <avarab@gmail•com> writes:
> I.e. we'll always have GREP_HEADER_AUTHOR = 0 and
> GREP_HEADER_COMMITTER = 1, we'll never have GREP_HEADER_AUTHOR = and
> GREP_HEADER_COMMITTER = <some int>.
That is irrelevant. You can always assign -1 to an object of enumerated
type and the implicit conversion to the underlying type is fully
defined, no matter what type the compiler choses.
Andreas.
--
Andreas Schwab, schwab@linux-m68k•org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
next prev parent reply other threads:[~2011-11-07 13:12 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-06 12:06 [PATCH 0/3] Fix code issues spotted by clang Ævar Arnfjörð Bjarmason
2011-11-06 12:06 ` [PATCH 1/3] apply: get rid of useless x < 0 comparison on a size_t type Ævar Arnfjörð Bjarmason
2011-11-06 18:35 ` Junio C Hamano
2011-11-07 19:09 ` Giuseppe Bilotta
2011-11-06 12:06 ` [PATCH 2/3] diff/apply: cast variable in call to free() Ævar Arnfjörð Bjarmason
2011-11-06 12:06 ` [PATCH 3/3] grep: get rid of useless x < 0 comparison on an enum member Ævar Arnfjörð Bjarmason
2011-11-06 15:03 ` Andreas Schwab
2011-11-07 12:42 ` Ævar Arnfjörð Bjarmason
2011-11-07 13:12 ` Andreas Schwab [this message]
2011-11-07 16:38 ` Jeff King
2011-11-07 18:24 ` Andreas Schwab
2011-11-07 18:34 ` Jeff King
2011-11-07 18:55 ` Jeff King
2011-11-07 19:06 ` Ævar Arnfjörð Bjarmason
2011-11-07 20:13 ` Andreas Schwab
2011-11-07 19:49 ` Jonathan Nieder
2011-11-07 21:18 ` Junio C Hamano
2011-11-07 21:32 ` Jonathan Nieder
2011-11-07 21:48 ` Junio C Hamano
2011-11-07 22:21 ` Jonathan Nieder
2011-11-06 12:33 ` [PATCH 0/3] Fix code issues spotted by clang Ævar Arnfjörð Bjarmason
2011-11-08 16:05 ` Elijah Newren
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