From: Jeff King <peff@peff.net>
Date: Sat, 06 Jun 2009 22:47:11 GMT
Subject: Re: [PATCH v2 1/3] Introduce die_errno() that appends strerror(errno) to die()
Message-ID: <20090606224711.GC30064@coredump.intra.peff.net>
In-Reply-To: <200906062256.34074.trast@student.ethz.ch>

On Sat, Jun 06, 2009 at 10:56:31PM +0200, Thomas Rast wrote:

> > Cannot vsnprintf potentially modify errno?
> 
> Manpage turns up nothing, so AFAICT, no.

POSIX seems to imply that it can:

  http://www.opengroup.org/onlinepubs/009695399/functions/fprintf.html

though it looks like the conditions are fairly unlikely.

-Peff