On Tue, 2 May 2017, D M wrote:

> And it works in curl 7.21.0 on Debian 6. But in new versions of curl we
> receive just empty string from CURLINFO_PRIMARY_IP and don't know which IP
> curl try to use.

Since it wasn't documented nor verified in tests to work like that, nobody
cared for that detail!

> I think much better will be to return IP if only resolving was successful.

I'll volunteer to review all patches that bring this functionality (back). I
think they should include a documentation update and at least one test case.

-- 
  / daniel.haxx.se
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