[jira] [Created] (PROTON-1225) c++: taking address of element 0 of an empty string or vector

["Alan Conway (JIRA)" <ji...@apache.org>]

Alan Conway created PROTON-1225:
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             Summary: c++: taking address of element 0 of an empty string or vector
                 Key: PROTON-1225
                 URL: https://issues.apache.org/jira/browse/PROTON-1225
             Project: Qpid Proton
          Issue Type: Bug
          Components: cpp-binding
    Affects Versions: 0.12.2
            Reporter: Alan Conway
            Assignee: Alan Conway
            Priority: Blocker
             Fix For: 0.13.0


This bug shows up in a couple places, fixing all. Originally pointed out on the user list: 

http://qpid.2158936.n2.nabble.com/Proton-C-0-12-2-C-vector-subscript-out-of-range-in-unit-tests-td7644983.html

The problem is using the idiom &x[0] to get the address of storage in a string or vector without first testing that it is not empty. 



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