From: Junio C Hamano <gitster@pobox.com>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org
Subject: Re: [PATCH 1/6] get_super_prefix(): copy getenv() result
Date: Fri, 11 Jan 2019 19:02:46 -0800 [thread overview]
Message-ID: <xmqqwonawpbd.fsf@gitster-ct.c.googlers.com> (raw)
In-Reply-To: <20190111221500.GA10188@sigill.intra.peff.net> (Jeff King's message of "Fri, 11 Jan 2019 17:15:00 -0500")
Jeff King <peff@peff.net> writes:
> The return value of getenv() is not guaranteed to remain valid across
> multiple calls (nor across calls to setenv()). Since this function
> caches the result for the length of the program, we must make a copy to
> ensure that it is still valid when we need it.
>
> Reported-by: Yngve N. Pettersen <yngve@vivaldi.com>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
Makes sense. Thanks.
next prev parent reply other threads:[~2019-01-12 3:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-11 22:14 [PATCH 0/6] getenv() timing fixes Jeff King
2019-01-11 22:15 ` [PATCH 1/6] get_super_prefix(): copy getenv() result Jeff King
2019-01-12 3:02 ` Junio C Hamano [this message]
2019-01-11 22:15 ` [PATCH 2/6] commit: copy saved " Jeff King
2019-01-12 3:07 ` Junio C Hamano
2019-01-12 10:26 ` Jeff King
2019-01-15 14:05 ` Johannes Schindelin
2019-01-15 19:17 ` Jeff King
2019-01-15 19:25 ` Stefan Beller
2019-01-15 19:32 ` Jeff King
2019-01-16 14:06 ` Johannes Schindelin
2019-01-11 22:15 ` [PATCH 3/6] config: make a copy of $GIT_CONFIG string Jeff King
2019-01-11 22:16 ` [PATCH 4/6] init: make a copy of $GIT_DIR string Jeff King
2019-01-12 3:08 ` Junio C Hamano
2019-01-11 22:16 ` [PATCH 5/6] merge-recursive: copy $GITHEAD strings Jeff King
2019-01-12 3:10 ` Junio C Hamano
2019-01-11 22:17 ` [PATCH 6/6] builtin_diff(): read $GIT_DIFF_OPTS closer to use Jeff King
2019-01-12 11:31 ` [PATCH 0/6] getenv() timing fixes Ævar Arnfjörð Bjarmason
2019-01-12 18:51 ` Stefan Beller
2019-01-15 19:13 ` Jeff King
2019-01-15 19:32 ` Junio C Hamano
2019-01-15 19:38 ` Stefan Beller
2019-01-15 19:41 ` Jeff King
2019-01-15 19:47 ` Jeff King
2019-01-15 20:49 ` Junio C Hamano
2019-01-15 19:12 ` Jeff King
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