Backport #10529: r42709 IO.copy_stream should write in binary mode.

• Status: Closed
• Assignee: -

[jcoyne (Justin Coyne)]

Original issue: https://bugs.ruby-lang.org/issues/8767

[usa (Usaku NAKAMURA)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

Applied in changeset r48631.

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merge revision(s) 42709: [Backport #10529]

* io.c (copy_stream_body): should write in binary mode.  based on a
  patch by godfat (Lin Jen-Shin) at [ruby-core:56556].
  [ruby-core:56518] [Bug #8767]

* io.c (copy_stream_body): move common open flags.