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

[Takashi Yano]

Hi,

On Thu, 5 Jul 2018 13:38:52 +0200
Andreas Köpke wrote:
> I'm working on bare metal using newlib - with the changes to perror it does 
> not compile anymore: none of the headers (sys/uio.h, unistd.h) are known.

Bare metal does not have not only sys/uio.h but also unistd.h?
It seems a few stdio files includes unistd.h at least for several
months ago.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>