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64 lines
1.2 KiB
64 lines
1.2 KiB
#pragma once
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//http://social.msdn.microsoft.com/Forums/en/vcgeneral/thread/430449b3-f6dd-4e18-84de-eebd26a8d668
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#include <time.h>
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#include <winsock2.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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struct timespec {
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time_t tv_sec; /* Seconds since 00:00:00 GMT, */
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/* 1 January 1970 */
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long tv_nsec; /* Additional nanoseconds since */
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/* tv_sec */
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};
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struct timezone
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{
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int tz_minuteswest; /* minutes W of Greenwich */
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int tz_dsttime; /* type of dst correction */
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};
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static __inline 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 -= 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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} |