[Varnish] #1047: regsuball, infinite loops and confusing behaviours

[Varnish]

#1047: regsuball, infinite loops and confusing behaviours
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  Reporter:  ctrix   |        Type:  defect          
    Status:  closed  |    Priority:  normal          
 Milestone:          |   Component:  varnishd        
   Version:  3.0.2   |    Severity:  normal          
Resolution:  fixed   |    Keywords:  regsuball freeze
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Changes (by Tollef Fog Heen <tfheen@…>):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 (In [fe425ce63a03b0de1a9c257c4e27cf1defe6a862]) Avoid infinite loop in
 regsuball

 Also optimise out a few strlen calls in favour of just tracking the
 lengths.

 Fixes: #1047

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Ticket URL: <https://www.varnish-cache.org/trac/ticket/1047#comment:3>
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