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

Takashi Yano
Wed Jun 27 18:01:00 GMT 2018

On Wed, 27 Jun 2018 20:01:16 +0900
Takashi Yano wrote:
> Simple test case (chkperror.c) attached checks this behavior.

The test case seems to be garbled, so I re-submit it compressed by gzip.

Takashi Yano <>
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