-#define TIME_POSIX_TO_WIN(t, ft) (*(LONGLONG*)&(ft) = \
- ((LONGLONG) (t) + (LONGLONG) 11644473600) * (LONGLONG) 10000000)
-#define TIME_WIN_TO_POSIX(ft, t) ((t) = (unsigned long) \
- ((*(LONGLONG*)&(ft)) / (LONGLONG) 10000000 - (LONGLONG) 11644473600))
+#define TIME_POSIX_TO_WIN(t, ft) do { \
+ ULARGE_INTEGER uli; \
+ uli.QuadPart = ((ULONGLONG)(t) + 11644473600ull) * 10000000ull; \
+ (ft).dwLowDateTime = uli.LowPart; \
+ (ft).dwHighDateTime = uli.HighPart; \
+} while(0)
+#define TIME_WIN_TO_POSIX(ft, t) do { \
+ ULARGE_INTEGER uli; \
+ uli.LowPart = (ft).dwLowDateTime; \
+ uli.HighPart = (ft).dwHighDateTime; \
+ uli.QuadPart = uli.QuadPart / 10000000ull - 11644473600ull; \
+ (t) = (unsigned long) uli.QuadPart; \
+} while(0)