56 lines
1.1 KiB
C++
Executable File
56 lines
1.1 KiB
C++
Executable File
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#if defined(_WIN32) && !defined(__GNUC__) &&!defined(__GCCXML__)
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#include "gettimeofday.h"
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// From http://www.openasthra.com/c-tidbits/gettimeofday-function-for-windows/
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#include "WindowsIncludes.h"
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#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
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#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
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#else
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#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
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#endif
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int gettimeofday(struct timeval *tv, struct timezone *tz)
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{
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FILETIME ft;
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unsigned __int64 tmpres = 0;
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static int tzflag;
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if (NULL != tv)
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{
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GetSystemTimeAsFileTime(&ft);
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tmpres |= ft.dwHighDateTime;
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tmpres <<= 32;
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tmpres |= ft.dwLowDateTime;
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/*converting file time to unix epoch*/
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tmpres /= 10; /*convert into microseconds*/
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tmpres -= DELTA_EPOCH_IN_MICROSECS;
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tv->tv_sec = (long)(tmpres / 1000000UL);
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tv->tv_usec = (long)(tmpres % 1000000UL);
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}
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if (NULL != tz)
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{
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if (!tzflag)
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{
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_tzset();
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tzflag++;
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}
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tz->tz_minuteswest = _timezone / 60;
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tz->tz_dsttime = _daylight;
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}
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return 0;
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}
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#endif
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