1 files changed, 25 insertions, 0 deletions
diff --git a/butl/fdstream.ixx b/butl/fdstream.ixx
new file mode 100644
index 0000000..a3ea83c
--- /dev/null
+++ b/butl/fdstream.ixx
@@ -0,0 +1,25 @@
+// file      : butl/fdstream.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+namespace butl
+{
+  inline fdopen_mode operator& (fdopen_mode x, fdopen_mode y) {return x &= y;}
+  inline fdopen_mode operator| (fdopen_mode x, fdopen_mode y) {return x |= y;}
+
+  inline fdopen_mode
+  operator&= (fdopen_mode& x, fdopen_mode y)
+  {
+    return x = static_cast<fdopen_mode> (
+      static_cast<std::uint16_t> (x) &
+      static_cast<std::uint16_t> (y));
+  }
+
+  inline fdopen_mode
+  operator|= (fdopen_mode& x, fdopen_mode y)
+  {
+    return x = static_cast<fdopen_mode> (
+      static_cast<std::uint16_t> (x) |
+      static_cast<std::uint16_t> (y));
+  }
+}