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RE: Bug in _VFPRINTF_R
> -----Original Message-----
> From: newlib-owner@sourceware.org [mailto:newlib-owner@sourceware.org] On
> Behalf Of Samuel Vinson
> Sent: Saturday, September 15, 2007 8:34 AM
> To: Eric Blake
> Cc: newlib@sourceware.org
> Subject: Re: Bug in _VFPRINTF_R
>
> I'm sorry Eric, but I gave you a specific example :
> printf("%.*s\n",len,(char *)NULL) /* len = 0 */
>
> and not printf("%s", (char *)NULL)
>
Actually, you didn't specify that len == 0.
Here's what you wrote:
> In my example, I think the result should be empty an not (null)
>
> Samuel
>
> Eric Blake a écrit :
> > -----BEGIN PGP SIGNED MESSAGE-----
> > Hash: SHA1
> >
> > According to Samuel Vinson on 9/15/2007 1:35 AM:
> >
> >> I never see that with different libc implementation, I used
> >> (linux/gcc/libc/glibc, windows/msvcrt, solaris/libc...)
> >>
> >
> > It may not match msvcrt or solaris libc, but it does match glibc - I'm
> not
> > sure how you tested it.
> >
> >
> >> Perhaps POSIX and C99 allow your choice, but this is not portable in
> >> different platforms.
> >>
> >
> > This is not portable, period. Calling printf("%s", (char*)NULL) invokes
> > undefined behavior, and is a bug in your program, not in newlib.
> >
> > - --
> > Don't work too hard, make some time for fun as well!
> >
> > Eric Blake ebb9@byu.net
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> > =LIb4
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> >
> >