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From "Bob Hansen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10937) libhdfs++: hdfsRead return -1 at eof
Date Fri, 30 Sep 2016 17:02:20 GMT
Bob Hansen created HDFS-10937:

             Summary: libhdfs++: hdfsRead return -1 at eof
                 Key: HDFS-10937
                 URL: https://issues.apache.org/jira/browse/HDFS-10937
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Bob Hansen

The libhdfs++ implementation of hdfsRead appears to be out-of-spec.  The header says it will
return 0 at eof, but the current implementation returns -1 with an errno of 261 (invalid offset).

The basic posix-y read loop of
while ( (bytesRead = hdsfRead(...)) != 0) {...}
won't work with with libhdfs++'s hdfsRead method.

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