[tor-bugs] #18124 [Tor]: We never use interface names on Windows, avoid retrieving them

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#18124: We never use interface names on Windows, avoid retrieving them
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     Reporter:  teor         |      Owner:
         Type:  enhancement  |     Status:  new
     Priority:  Medium       |  Milestone:  Tor: 0.2.8.x-final
    Component:  Tor          |    Version:
     Severity:  Normal       |   Keywords:  easy performance
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
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 We're scanning local interfaces more often in the tor codebase, so it
 would be a good idea to optimise get_interface_addresses_win32().

 We never use the interface names, so let's avoid retrieving them by
 passing GAA_FLAG_SKIP_FRIENDLY_NAME in FLAGS.

 Reference documentation:
 https://msdn.microsoft.com/en-
 us/library/windows/desktop/aa365915%28v=vs.85%29.aspx

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18124>
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