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https://issues.apache.org/jira/browse/HDFS-10511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15336837#comment-15336837
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Bob Hansen commented on HDFS-10511:
-----------------------------------
hadoop-hdfs-native-client/src/main/native/libhdfs/include/hdfs/hdfs.h is part
of libhdfs, and we're fairly committed to not changing it.
The existing text of "nonzero error code otherwise" is sufficient to cover the
behavior of returning -1 on error.
The functions in hdfs_ext.h are fair game, and your updated comments are
well-received.
> libhdfs++: make error returning mechanism consistent across all hdfs
> operations
> -------------------------------------------------------------------------------
>
> Key: HDFS-10511
> URL: https://issues.apache.org/jira/browse/HDFS-10511
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Anatoli Shein
> Assignee: Anatoli Shein
> Attachments: HDFS-10511.HDFS-8707.000.patch,
> HDFS-10511.HDFS-8707.000.patch, HDFS-10511.HDFS-8707.001.patch,
> HDFS-10511.HDFS-8707.002.patch
>
>
> Errno should always be set.
> If function is returning a code on stack, it should be consistent with errno.
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