BIND 10 #2751: add "subtract RDATA" interface to RdataSet

[BIND 10 Development]

#2751: add "subtract RDATA" interface to RdataSet
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            Reporter:  jinmei        |                        Owner:
                Type:  task          |  vorner
            Priority:  medium        |                       Status:
           Component:  data source   |  reviewing
            Keywords:                |                    Milestone:
           Sensitive:  0             |  Sprint-20130917
         Sub-Project:  DNS           |                   Resolution:
Estimated Difficulty:  5             |                 CVSS Scoring:
         Total Hours:  0             |              Defect Severity:  N/A
                                     |  Feature Depending on Ticket:
                                     |  shared memory data source
                                     |          Add Hours to Ticket:  0
                                     |                    Internal?:  0
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Changes (by muks):

 * owner:  muks => vorner


Comment:

 Hi Michal

 Replying to [comment:12 vorner]:
 > Do you think it is worth making the check functions more complex to have
 3600 in places we don't need the 4-bytes check?

 It is ok. Let's keep the same TTL value as it exists.

 The rest of the branch is OK. I've pushed another minor validation
 addition. Please check it and if you are happy with it, please merge it.

-- 
Ticket URL: <http://bind10.isc.org/ticket/2751#comment:13>
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