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https://issues.apache.org/jira/browse/HDFS-7817?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14337235#comment-14337235
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Colin Patrick McCabe commented on HDFS-7817:
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That's one approach. Another approach is to force a standards-compliant
strerror_r to be used by including special #ifdefs at the top of the file using
strerror_r. Since sys_errlist is deprecated, that might be the better way.
> libhdfs3: fix strerror_r detection
> ----------------------------------
>
> Key: HDFS-7817
> URL: https://issues.apache.org/jira/browse/HDFS-7817
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Colin Patrick McCabe
>
> The signature of strerror_r is not quite detected correctly in libhdfs3. The
> code assumes that {{int foo = strerror_r}} will fail to compile with the GNU
> type signature, but this is not the case (C\+\+ will coerce the char* to an
> int in this case). Instead, we should do what the libhdfs {{terror}}
> (threaded error) function does here.
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