BIND 10 #200: use new Name::split() in data source

[BIND 10 Development]

#200: use new Name::split() in data source
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 Reporter:  jinmei       |        Owner:  jinmei                                        
     Type:  enhancement  |       Status:  reviewing                                     
 Priority:  minor        |    Milestone:  05. 3rd Incremental Release: Serious Secondary
Component:  data source  |   Resolution:                                                
 Keywords:               |    Sensitive:  0                                             
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Changes (by each):

  * owner:  each => jinmei


Comment:

 for (int i = diff - 1; i >= 0; --i) {
                     const Name sub(task->qname.split(i));

 I'm not sure, but I think maybe the ">= 0" should be "> 0".  As written, I
 think this would cause it to match down all the way to the qname itself,
 whereas we actually want it to stop matching at the parent.

 Also, I think you can eliminate the "nlen" variable now.

 Otherwise the patch looks fine.

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Ticket URL: <http://bind10.isc.org/ticket/200#comment:5>
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