diff --git a/win32/time.c b/win32/time.c index a376fd61be0a0..8b847b09ff054 100644 --- a/win32/time.c +++ b/win32/time.c @@ -1,4 +1,3 @@ - /***************************************************************************** * * * DH_TIME.C * @@ -37,10 +36,21 @@ int getfilesystemtime(struct timeval *time_Info) { FILETIME ft; __int64 ff; +ULARGE_INTEGER convFromft; GetSystemTimeAsFileTime(&ft); /* 100 ns blocks since 01-Jan-1641 */ /* resolution seems to be 0.01 sec */ - ff = *(__int64*)(&ft); + /* ff = *(__int64*)(&ft); */ + /* + Do not cast a pointer to a FILETIME structure to either a + ULARGE_INTEGER* or __int64* value because it can cause alignment faults on 64-bit Windows. + + via http://technet.microsoft.com/en-us/library/ms724284(v=vs.85).aspx + */ + convFromft.HighPart = ft.dwHighDateTime; + convFromft.LowPart = ft.dwLowDateTime; + ff = convFromft.QuadPart; + time_Info->tv_sec = (int)(ff/(__int64)10000000-(__int64)11644473600); time_Info->tv_usec = (int)(ff % 10000000)/10; return 0;