From: Johannes Sixt <j6t@kdbg.org>
To: Thomas Rast <trast@student.ethz.ch>
Cc: Junio C Hamano <gitster@pobox.com>,
git@vger.kernel.org, Jeff King <peff@peff.net>,
Alexander Potashev <aspotashev@gmail.com>
Subject: Re: [PATCH v2 1/3] Introduce die_errno() that appends strerror(errno) to die()
Date: Sat, 6 Jun 2009 22:36:42 +0200 [thread overview]
Message-ID: <200906062236.42858.j6t@kdbg.org> (raw)
In-Reply-To: <3672f22723a4c14c4a6d67278e9865424c0c68dc.1244299302.git.trast@student.ethz.ch>
On Samstag, 6. Juni 2009, Thomas Rast wrote:
> +void die_errno(const char *err, ...)
> +{
> + va_list params;
> + char msg[1024];
> +
> + va_start(params, err);
> +
> + vsnprintf(msg, sizeof(msg), err, params);
> + die("%s: %s", msg, strerror(errno));
Cannot vsnprintf potentially modify errno?
> +
> + va_end(params);
This va_end should better be before die().
-- Hannes
next prev parent reply other threads:[~2009-06-06 20:37 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-02 21:34 [PATCH] add strerror(errno) to die() calls where applicable Thomas Rast
2009-06-03 1:55 ` Jeff King
[not found] ` <2325a7950906031855t1977448lbb1c8aa671c72f3d@mail.gmail.com>
2009-06-04 1:58 ` Alexander Potashev
2009-06-04 20:32 ` Jeff King
2009-06-04 2:05 ` [PATCH] diesys calls die and also reports strerror(errno) Alexander Potashev
2009-06-04 20:50 ` Jeff King
2009-06-04 21:13 ` Junio C Hamano
2009-06-05 6:25 ` Johannes Sixt
2009-06-05 7:12 ` Junio C Hamano
2009-06-06 22:09 ` Jeff King
2009-06-06 13:09 ` [PATCH] add strerror(errno) to die() calls where applicable Thomas Rast
2009-06-06 14:44 ` [PATCH v2 0/3] Thomas Rast <trast@student.ethz.ch> Thomas Rast
2009-06-06 14:44 ` [PATCH v2 1/3] Introduce die_errno() that appends strerror(errno) to die() Thomas Rast
2009-06-06 20:36 ` Johannes Sixt [this message]
2009-06-06 20:56 ` Thomas Rast
2009-06-06 21:17 ` Johannes Sixt
2009-06-06 22:47 ` Jeff King
2009-06-06 22:13 ` Jeff King
2009-06-07 11:12 ` Alexander Potashev
2009-06-07 16:57 ` Junio C Hamano
2009-06-08 12:36 ` Jeff King
2009-06-08 15:35 ` Alexander Potashev
2009-06-08 22:04 ` Jeff King
2009-06-06 14:44 ` [PATCH v2 2/3] Convert existing die(..., strerror(errno)) to die_errno() Thomas Rast
2009-06-06 20:31 ` Johannes Sixt
2009-06-06 14:44 ` [PATCH v2 3/3] Use die_errno() instead of die() when checking syscalls Thomas Rast
2009-06-06 21:02 ` Johannes Sixt
2009-06-06 22:27 ` Thomas Rast
2009-06-08 21:02 ` [PATCH v3 0/3] die_errno() Thomas Rast
2009-06-08 21:02 ` [PATCH v3 1/3] Introduce die_errno() that appends strerror(errno) to die() Thomas Rast
2009-06-08 22:07 ` Jeff King
2009-06-09 8:22 ` Thomas Rast
2009-06-09 8:53 ` Jeff King
2009-06-09 9:29 ` Andreas Ericsson
2009-06-08 21:02 ` [PATCH v3 2/3] Convert existing die(..., strerror(errno)) to die_errno() Thomas Rast
2009-06-08 21:02 ` [PATCH v3 3/3] Use die_errno() instead of die() when checking syscalls Thomas Rast
2009-06-27 15:58 ` [PATCH v4 0/4] die_errno() Thomas Rast
2009-06-27 15:58 ` [PATCH v4 1/4] Introduce die_errno() that appends strerror(errno) to die() Thomas Rast
2009-06-27 15:58 ` [PATCH v4 2/4] die_errno(): double % in strerror() output just in case Thomas Rast
2009-06-27 15:58 ` [PATCH v4 3/4] Convert existing die(..., strerror(errno)) to die_errno() Thomas Rast
2009-06-27 15:58 ` [PATCH v4 4/4] Use die_errno() instead of die() when checking syscalls Thomas Rast
2009-06-27 18:38 ` [PATCH v4 0/4] die_errno() Junio C Hamano
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