1 files changed, 19 insertions, 0 deletions
diff --git a/lib/mogilefs/copy_stream.rb b/lib/mogilefs/copy_stream.rb
new file mode 100644
index 0000000..922eb71
--- /dev/null
+++ b/lib/mogilefs/copy_stream.rb
@@ -0,0 +1,19 @@
+# -*- encoding: binary -*-
+
+# internal compatibility class for older Rubies
+module MogileFS::CopyStream # :nodoc:
+  def self.copy_stream(src, dst)
+    src_io = String === src ? File.open(src) : src
+    buf = ""
+    written = 0
+    begin
+      src_io.readpartial(0x4000, buf)
+      written += dst.write(buf)
+    rescue EOFError
+      break
+    end while true
+    written
+    ensure
+      src_io.close if String === src
+  end
+end