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X-HELO:	calimero.vinschen.de
Date:	Wed, 13 Apr 2016 10:10:31 +0200
From:	Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: strxfrm() returns an incorrect value on a short buffer
Message-ID:	<20160413081031.GC9784@calimero.vinschen.de>
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References:	<20160412050722 DOT GE12445 AT mars DOT tony DOT develop-help DOT com> <20160412133049 DOT GN9870 AT calimero DOT vinschen DOT de> <20160413004628 DOT GH12445 AT mars DOT tony DOT develop-help DOT com>
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On Apr 13 10:46, Tony Cook wrote:
> On Tue, Apr 12, 2016 at 03:30:49PM +0200, Corinna Vinschen wrote:
> > On Apr 12 15:07, Tony Cook wrote:
> > > strxfrm() returns an incorrect value if you supply an output buffer
> > > and that buffer is too short for the result.
> > >=20
> > > With the code following:
> > > [...]
> > > It appears that strxfrm() is just returning the size of the output
> > > buffer on an overflow error rather than calling LCMapString() again
> > > with cchDest set to zero to get the required buffer length that
> > > strxfrm() is meant to return on a short buffer.
> >=20
> > Thanks for the testcase.  I applied a patch
> >=20
> >   https://sourceware.org/git/?p=3Dnewlib-cygwin.git;h=3De1854211
> >=20
> > and created new snapshots on
> >=20
> >   https://cygwin.com/snapshots/
> >=20
> > Please give them a try.
>=20
> Thanks, fixed in snapshot 20160412.

Thanks for your feedback,
Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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