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Re: Bug in _VFPRINTF_R

From: Eric Blake <ebb9 at byu dot net>
To: Samuel Vinson <samuelv at laposte dot net>
Cc: newlib at sourceware dot org
Date: Sat, 15 Sep 2007 05:55:23 -0600
Subject: Re: Bug in _VFPRINTF_R
References: <46EAD80E.5050201@laposte.net> <12684943.post@talk.nabble.com> <46EB8B42.1070706@laposte.net>

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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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Follow-Ups:
- Re: Bug in _VFPRINTF_R
  - From: Samuel Vinson

References:
- Bug in _VFPRINTF_R
  - From: Samuel Vinson
- Re: Bug in _VFPRINTF_R
  - From: Eric Blake-1
- Re: Bug in _VFPRINTF_R
  - From: Samuel Vinson

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