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Posted to proton@qpid.apache.org by "Michael (JIRA)" <ji...@apache.org> on 2015/05/29 00:10:17 UTC

[jira] [Created] (PROTON-892) pn_data_t capacity does not grow above 32768 items

Michael created PROTON-892:
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             Summary: pn_data_t capacity does not grow above 32768 items
                 Key: PROTON-892
                 URL: https://issues.apache.org/jira/browse/PROTON-892
             Project: Qpid Proton
          Issue Type: Improvement
          Components: proton-c
    Affects Versions: 0.9, 0.9.1
            Reporter: Michael
            Priority: Minor


pn_data_grow() function looses half of the available data capacity.
The following happens: when data overflows, pn_data_grow is invoked. It increases data capacity 2 times and reallocates nodes array. Data capacity is represented as uint16_t type and so when capacity reaches 32768 items, the result of multiplication by 2 becomes 0. This makes realloc return null and crashes the program.



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