diff options
Diffstat (limited to 'src/timer.c')
-rw-r--r-- | src/timer.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/timer.c b/src/timer.c index 7f9394a..4864321 100644 --- a/src/timer.c +++ b/src/timer.c @@ -187,3 +187,49 @@ void TimerScan() } } + +#ifdef WIN32 + +#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS) + #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64 +#else + #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL +#endif + + +int gettimeofday(struct timeval *tv, struct timezone *tz) +{ + FILETIME ft; + unsigned __int64 tmpres = 0; + static int tzflag = 0; + + if (NULL != tv) + { + GetSystemTimeAsFileTime(&ft); + + tmpres |= ft.dwHighDateTime; + tmpres <<= 32; + tmpres |= ft.dwLowDateTime; + + tmpres /= 10; /*convert into microseconds*/ + /*converting file time to unix epoch*/ + tmpres -= DELTA_EPOCH_IN_MICROSECS; + tv->tv_sec = (long)(tmpres / 1000000UL); + tv->tv_usec = (long)(tmpres % 1000000UL); + } + + if (NULL != tz) + { + if (!tzflag) + { + _tzset(); + tzflag++; + } + tz->tz_minuteswest = _timezone / 60; + tz->tz_dsttime = _daylight; + } + + return 0; +} + +#endif |