rrd_init(rrd);
if (rdwr == RRD_READONLY) {
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+#if defined(WIN32)
mode = "rb";
#else
mode = "r";
#endif
} else {
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+#if defined(WIN32)
mode = "rb+";
#else
mode = "r+";