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Posted to issues@mesos.apache.org by "Andrew Schwartzmeyer (JIRA)" <ji...@apache.org> on 2018/03/19 21:05:00 UTC

[jira] [Created] (MESOS-8692) Replace _chsize_s with SetEndOfFile on Windows

Andrew Schwartzmeyer created MESOS-8692:
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             Summary: Replace _chsize_s with SetEndOfFile on Windows
                 Key: MESOS-8692
                 URL: https://issues.apache.org/jira/browse/MESOS-8692
             Project: Mesos
          Issue Type: Task
            Reporter: Andrew Schwartzmeyer
            Assignee: Andrew Schwartzmeyer


The function {{os::ftruncate}} on Windows uses the CRT API {{_chsize_s}} which requires an integer file descriptor. We can replace this with the semantically similar if not equivalent logic of {{SetFilePointer}} followed by {{SetEndOfFile}}. Major different is that it doesn't write null bytes when extending the file; it leaves the data uninitialized.



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