Re: NetBSD bug/misbehavior in vdprintf

[christos%astron.com@localhost (Christos Zoulas)]

In article <20200829174525.GA25372%bec.de@localhost>,
Joerg Sonnenberger  <joerg%bec.de@localhost> wrote:
>
>It is, there is always some internal buffering for fprintf, so in
>principle you can flush, ack the error, flush again etc.

Indeed,

    https://pubs.opengroup.org/onlinepubs/9699919799/functions/fputc.html

lists all the errors (unfortunately our man pages don't), and the first one,
EAGAIN, implies that stdio should work with non-blocking file descriptors.
Retrying after clearerr(3), should work.

christos