do not try to implement policy into applications. you will end up
forced to (?) rewrite every existing applications.
I would expect most applications to use only AI_SECURE_CANONNAME or
AI_CANONNAME_SEARCH_DEFAULT.
AI_CANONNAME_SEARCH_DEFAULT would come with a system-wide knob attached.
But perhaps we should just say that AI_SECURE_CANONNAME should behave
like what I called AI_CANONNAME_SEARCH_DEFAULT.
Some applications might offer app-specific configuration knobs to
specify the use of any of the other AI_CANONNAME_SEARCH_* flags. _Most_
apps would not.
The availability of choices at the API level != a plethora of
application knobs, just the possibility thereof.
Nico
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