3 files changed, 88 insertions, 1 deletions
diff --git a/windows/README b/windows/README
index ca26c46293..4b383eaed3 100644
--- a/windows/README
+++ b/windows/README
@@ -52,5 +52,5 @@ backend which has the look&feel of a standard Unix console:
 For more info, see https://www.winehq.org/docs/wineusr-guide/cui-programs
 
 If built without line editing and history capabilities
-(MICROPY_USE_READLINE=0), the resulting binary can be built using standard
+(MICROPY_USE_READLINE=0), the resulting binary can be run using the standard
 "wine" tool.
diff --git a/windows/fmode.c b/windows/fmode.c
new file mode 100644
index 0000000000..33ba24ed1f
--- /dev/null
+++ b/windows/fmode.c
@@ -0,0 +1,49 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013-2016 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "fmode.h"
+#include "py/mpconfig.h"
+#include <fcntl.h>
+#include <stdlib.h>
+
+// Workaround for setting file translation mode: we must distinguish toolsets
+// since mingw has no _set_fmode, and altering msvc's _fmode directly has no effect
+STATIC int set_fmode_impl(int mode) {
+#ifndef _MSC_VER
+    _fmode = mode;
+    return 0;
+#else
+    return _set_fmode(mode);
+#endif
+}
+
+void set_fmode_binary(void) {
+    set_fmode_impl(O_BINARY);
+}
+
+void set_fmode_text(void) {
+    set_fmode_impl(O_TEXT);
+}
diff --git a/windows/fmode.h b/windows/fmode.h
new file mode 100644
index 0000000000..23d6d3d54d
--- /dev/null
+++ b/windows/fmode.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013-2016 Damien P. George
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef __MICROPY_INCLUDED_WINDOWS_FMODE_H__
+#define __MICROPY_INCLUDED_WINDOWS_FMODE_H__
+
+// Treat files opened by open() as binary. No line ending translation is done.
+void set_fmode_binary(void);
+
+// Treat files opened by open() as text.
+// When reading from the file \r\n will be converted to \n.
+// When writing to the file \n will be converted into \r\n.
+void set_fmode_text(void);
+
+#endif