add circuitpython code

1 files changed, 28 insertions, 0 deletions

diff --git a/circuitpython/mpy-cross/fmode.c b/circuitpython/mpy-cross/fmode.c
new file mode 100644
index 0000000..f32a4af
--- /dev/null
+++ b/circuitpython/mpy-cross/fmode.c
@@ -0,0 +1,28 @@
+// SPDX-FileCopyrightText: Copyright (c) 2013-2016 Damien P. George
+// SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)
+//
+// SPDX-License-Identifier: MIT
+
+#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);
+}