BIND 10 #2992: JSON to number conversion does not check errno on C++

[BIND 10 Development]

#2992: JSON to number conversion does not check errno on C++
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                   Reporter:         |                 Owner:
  fujiwara                           |                Status:  new
                       Type:         |             Milestone:  New Tasks
  defect                             |              Keywords:
                   Priority:         |             Sensitive:  0
  medium                             |           Sub-Project:  Core
                  Component:         |  Estimated Difficulty:  0
  Unclassified                       |           Total Hours:  0
               CVSS Scoring:         |
            Defect Severity:  N/A    |
Feature Depending on Ticket:         |
        Add Hours to Ticket:  0      |
                  Internal?:  0      |
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 In function src/lib/cc/data.cc:fromStringstreamNumber(),
 it cannot carry LONG_MAX and -LONG_MAX value because they are treated as
 error.
 If strtol return value is LONG_MAX or -LONG_MAX, need to check errno
 variable. If errno is ERANGE or EINVAL, it is a error.

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Ticket URL: <https://bind10.isc.org/ticket/2992>
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