Date: Tue, 5 Jun 2012 17:13:05 +0400 From: Andrey Chernov <ache@FreeBSD.ORG> To: Joerg Sonnenberger <joerg@britannica.bec.de> Cc: svn-src-head@FreeBSD.ORG, svn-src-all@FreeBSD.ORG, src-committers@FreeBSD.ORG, Dimitry Andric <dim@FreeBSD.ORG> Subject: Re: svn commit: r236582 - head/lib/libc/stdlib Message-ID: <20120605131305.GF13306@vniz.net> In-Reply-To: <20120605125520.GA12045@britannica.bec.de> References: <201206042134.q54LYoVJ067685@svn.freebsd.org> <4FCDBE69.6080906@FreeBSD.org> <20120605123901.GA13306@vniz.net> <20120605125520.GA12045@britannica.bec.de>
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On Tue, Jun 05, 2012 at 02:55:20PM +0200, Joerg Sonnenberger wrote: > On Tue, Jun 05, 2012 at 04:39:01PM +0400, Andrey Chernov wrote: > > Moreover, standard metion "unsuccessful call" case for free() where errno > > state is totally undefined. > > ...which would be a programming mistake in first place and is valid as > justification. Not only that (I mean programming mistake in the realpath). F.e. internal free/malloc state can be damaged by other code even earlier. But all of this is not the case, since POSIX allows it to modify errno on _success_, which is main reason of the change. Please see http://austingroupbugs.net/view.php?id=385 -- http://ache.vniz.net/
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