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https://issues.apache.org/jira/browse/HADOOP-9483?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arpit Agarwal updated HADOOP-9483:
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Attachment: HADOOP-9483.004.patch
Addressed your comments.
{quote}
10. I see what you're trying to do with the for loop. However, this won't work
when you get ERROR_MORE_DATA back, right? I say, let's just allocate a 1024
size array on stack, and if the this is not enough, have the function fail. If
in the future this turns out to be a problem, we can fix it (what is very
unlikely to happen). Make sense?
{quote}
It works when the return code is ERROR_MORE_DATA. It can be confirmed with a
buffer larger than sizeof(REPARSE_DATA_BUFFER) but not large enough for the
path strings. Since we are handling long paths it makes all the more sense to
handle this case. :)
> winutils support for readlink command
> -------------------------------------
>
> Key: HADOOP-9483
> URL: https://issues.apache.org/jira/browse/HADOOP-9483
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Affects Versions: 3.0.0
> Reporter: Chris Nauroth
> Assignee: Arpit Agarwal
> Attachments: HADOOP-9483.003.patch, HADOOP-9483.004.patch,
> HADOOP-9483.patch, HADOOP-9483.patch
>
>
> The current codebase relies on the Unix readlink command to determine the
> target of a symlink on the local file system. winutils currently does not
> support this functionality on Windows. Adding the command to winutils will
> prevent the need to use GnuWin32 or Cygwin for readlink support.
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