Re: [PATCH] ptsname: reject invalid file descriptors

[Eric Blake]

On 10/02/2012 12:31 PM, Eric Blake wrote:
> POSIX left errno undefined on ptsname() failure, although there
> has at least been an effort to specify reasonable values to use:
> http://www.austingroupbugs.net/view.php?id=503
> 
> However, our tests for ptsname and ptsname_r already require errno
> to be set to useful values (as in glibc), so it is worth replacing
> ptsname on FreeBSD 8.2 in order to get better QoI and pass the test.
> 
> * m4/ptsname.m4 (gl_FUNC_PTSNAME): Probe for FreeBSD bug.
> * m4/stdlib_h.m4 (gl_STDLIB_H_DEFAULTS): Add new witness.
> * modules/stdlib (Makefile.am): Replace witness.
> * lib/stdlib.in.h (ptsname): Allow for replacement.
> * modules/ptsname (configure.ac): Trigger replacement.
> * doc/posix-functions/ptsname.texi (ptsname): Document this.

Unfortunately, while this fixed test-ptsname, it shows up now as a
failure in test-posix_openpt on FreeBSD.  I'm still investigating.

-- 
Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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