[jira] [Created] (ARROW-16191) [C++][Gandiva] Fix size 0 case in arena malloc

[Siddhant Rao (Jira)]

Siddhant Rao created ARROW-16191:
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             Summary: [C++][Gandiva] Fix size 0 case in arena malloc 
                 Key: ARROW-16191
                 URL: https://issues.apache.org/jira/browse/ARROW-16191
             Project: Apache Arrow
          Issue Type: Bug
          Components: C++ - Gandiva
            Reporter: Siddhant Rao


The size 0 case in arena malloc is causing sporadic errors due to null pointer 
being returned to functions like convert_from which treat this as an error.



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