1 #include <time.h> 2 3 #include <windows.h> 4 #if defined(_MSC_VER) || defined(_MSC_EXTENSIONS) 5 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64 6 #else 7 #define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL 8 #endif 9 10 #include "config.h" 11 12 struct timezone 13 { 14 int tz_minuteswest; /* minutes W of Greenwich */ 15 int tz_dsttime; /* type of dst correction */ 16 }; 17 gettimeofday(struct timeval * tv,struct timezone * tz)18int gettimeofday(struct timeval *tv, struct timezone *tz) 19 { 20 FILETIME ft; 21 unsigned __int64 tmpres = 0; 22 static int tzflag; 23 24 if (NULL != tv) { 25 GetSystemTimeAsFileTime(&ft); 26 27 tmpres |= ft.dwHighDateTime; 28 tmpres <<= 32; 29 tmpres |= ft.dwLowDateTime; 30 31 /*converting file time to unix epoch*/ 32 tmpres -= DELTA_EPOCH_IN_MICROSECS; 33 tmpres /= 10; /*convert into microseconds*/ 34 tv->tv_sec = (long)(tmpres / 1000000UL); 35 tv->tv_usec = (long)(tmpres % 1000000UL); 36 } 37 38 if (NULL != tz) { 39 if (!tzflag) { 40 _tzset(); 41 tzflag++; 42 } 43 tz->tz_minuteswest = _timezone / 60; 44 tz->tz_dsttime = _daylight; 45 } 46 47 return 0; 48 } 49 50 struct tm * localtime_r(const time_t * timer,struct tm * result)51localtime_r(const time_t *timer, struct tm *result) 52 { 53 struct tm *local_result; 54 55 if (result == NULL) { 56 return NULL; 57 } 58 59 local_result = localtime (timer); 60 if (local_result == NULL) { 61 return NULL; 62 } 63 64 memcpy(result, local_result, sizeof(*result)); 65 return result; 66 } 67