BIND 10 #2275: work on valgrind backlog

[BIND 10 Development]

#2275: work on valgrind backlog
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                   Reporter:  jreed  |                 Owner:  jinmei
                       Type:         |                Status:  reviewing
  defect                             |             Milestone:
                   Priority:         |  Sprint-20121009
  medium                             |            Resolution:
                  Component:         |             Sensitive:  0
  Unclassified                       |           Sub-Project:  Core
                   Keywords:         |  Estimated Difficulty:  5
            Defect Severity:  N/A    |           Total Hours:  0
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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Comment (by jinmei):

 Replying to [comment:10 jelte]:

 > well, it would always hit the check and exception, but due to the
 initialized memory, it was essentially random which of the two parts of
 the if-check it would hit (so yeah, it was buggy, and certainly not doing
 what it intended, but it would never visibly fail)

 Right.

 > > The previous version used the length (strlen) of path_, so sun_path
 > > could actually be non-nul terminated even if path_ is short enough.
 > > (another reason why we should generally avoid such low-level APIs).
 > >
 > > I believe with this change valgrind stops complaining about this.
 >
 > ah, doh, of course.

 Looks good, please merge.

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Ticket URL: <http://bind10.isc.org/ticket/2275#comment:11>
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