On Jul 8, 2015, at 12:17, Doug Rabson <d...@rabson.org> wrote:

> As far as I can tell, POSIX doesn't require either EFAULT or any other
> behaviour - the text in http://www.open-std.org/jtc1/sc22/open/n4217.pdf
> just says, "No errors are defined". Our man page is wrong and any real
> program which relies on gettimeofday not faulting when given bad inputs is
> broken.

I would suggest the following:
1. Document behavior in NOTES about gettimeofday returning EFAULT with the 
specific scenarios kib mentioned, segfaulting otherwise (wordsmithing the 
actual info of course). Otherwise, it might confuse people who look at the 
manpage later.
2. I’ll add a `#ifdef __FreeBSD__` to the testcase which will then skip it, 
because it’s easier to do that then test undefined behavior that only makes 
sense on NetBSD.

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