Re: grantpt and ptsname man pages

[Michael Kerrisk <mtk.manpages@xxxxxxxxx>]

Hi Serge,

On Fri, Sep 30, 2011 at 2:03 AM, Serge E. Hallyn
<serge.hallyn@xxxxxxxxxxxxx> wrote:
> Hi,
>
> near as i can tell (from tests and code), ptsname and grantpt both
> require the passed-in fd to exist in /dev/pts.  So if you pass in
> an fd from a newinstance devpts mounted elsewhere things can go
> wrong.  Particularly if the passed-in fd is for /other/dev/pts/0
> and /dev/pts/0 does not exist, then grantpt and ptsname will return
> -ENOENT.
>
> The manpage should probably mention that.  I've not written anything
> for it yet.  (Willing to, but not until this weekend I'm afraid.)

That'd be great!

Thanks,

Michael


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Author of "The Linux Programming Interface"; http://man7.org/tlpi/
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