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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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} |