Re: perror() changes the orientation of stderr to byte-oriented mode if stderr is not oriented yet.

[Eric Blake <eblake at redhat dot com>]

On 07/02/2018 05:28 AM, Corinna Vinschen wrote:

> > By the way, I have noticed that psignal() and psiginfo() also have the
> > same problem. psignal() belongs to newlib, so the same strategy can
> > be applied. However, what can we do for psiginfo()? Only the FreeBSD
> > route may be the answer...
>
> I guess the simplest solution is to use the FreeBSD/OpenBSD method
> all the time.

If nothing else, it at least would mean fewer variations in practice, 
regardless of whether POSIX is changed to relax things (the POSIX 
discussion has been started, but it may be a while before any conclusion 
is reached; what's more, the C99 standard tried to address it in TC2 
(http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_276.htm) but then 
withdrew that in TC3 because the attempted resolution conflicted with 
the POSIX wording 
(http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_322.htm).

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
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