On Friday, December 03, 2010 9:41:03 am Bruce Cran wrote: > On Fri, 3 Dec 2010 15:27:13 +0100 > Ivan Voras <ivo...@freebsd.org> wrote: > > > I'd say it depends on if the "specific case that hps raised a few > > years ago" sentence part refers to an actual problem; i.e. did it > > happen in practice? If yes, leaving KASSERTs looks like the best > > option. > > I've found hps's original email thread, which is at > http://lists.freebsd.org/pipermail/freebsd-hackers/2005-June/012342.html . > > The argument for allowing zero-length reads/writes is at > http://lists.freebsd.org/pipermail/freebsd-hackers/2005-June/012348.html . > > I suspect the mistake occurred due to a misunderstanding of the API. > NetBSD have documented it in their man page but not added asserts in > the code: > > "Functions which take a count of bytes have undefined results if the > specified count is zero."
I think that is excellent wording and that this case is actually very rare. -- John Baldwin _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
