[tor-bugs] #2616 [Tor Client]: inconsistency in routerlist_add_family()

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#2616: inconsistency in routerlist_add_family()
------------------------+---------------------------------------------------
 Reporter:  arma        |          Owner:                    
     Type:  defect      |         Status:  new               
 Priority:  minor       |      Milestone:  Tor: 0.2.3.x-final
Component:  Tor Client  |        Version:                    
 Keywords:              |         Parent:                    
   Points:              |   Actualpoints:                    
------------------------+---------------------------------------------------
 routerlist_add_family() is supposed to put the family members of "router"
 into "sl". There are three rules: 1) If they're in the same /16 network
 space. 2) If the descriptors declare they're in the same family. 3) If the
 user's !NodeFamilies torrc option lists the router in a family.

 In cases 1 and 2, they avoid listing "router" in the returned smartlist.
 Case 3 though happily includes it.

 This typically means that the caller of routerlist_add_family() ends up
 with a smartlist with "router" in it twice, since most callers of the
 function start by adding router to the smartlist first. My patch to #2403
 is the first time we do it differently. I think it's safe in that
 particular case. But we should still make the behavior consistent.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2616>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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