diff --git a/src/drivers/win/common.cpp b/src/drivers/win/common.cpp
new file mode 100644
index 00000000..a752fc90
--- /dev/null
+++ b/src/drivers/win/common.cpp
@@ -0,0 +1,8 @@
+#include "common.h"
+
+bool directoryExists(const char* dirname)
+{
+	DWORD res = GetFileAttributes(dirname);
+	return res != 0xFFFFFFFF && res & FILE_ATTRIBUTE_DIRECTORY;
+}
+