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getnameinfo() and NI_NOFQDN

I am trying to get an unqualified name for the local host. To do this I loop over the addresses returned by getifaddrs(), select the first AF_INET, running, non-loopback address and call getnameinfo() with the NI_NAMEREQD and NI_NOFQDN flag set. I'm expecting the host name returned by getnameinfo() to be unqualified, but I am getting a fully qualified name as if NI_NOFQDN had not been set. I see this on 10.3.9 and 10.4.2.

I've looked at the source at <http://www.opensource.apple.com/darwinsource/10.4.2/bind9-11/bind9/lib/lwres/getnameinfo.c> and that does take notice of the NI_NOFQDN flag. Am I looking at the right code? Am I mis-understanding what the NI_NOFQDN flag does?

Mike Richmond
Global Graphics Software Ltd
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