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83 lines
1.4 KiB
C
83 lines
1.4 KiB
C
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/*
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* Copyright (C) Igor Sysoev
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*/
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#include <ngx_config.h>
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#include <ngx_core.h>
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void
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ngx_gettimeofday(struct timeval *tp)
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{
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uint64_t intervals;
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FILETIME ft;
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GetSystemTimeAsFileTime(&ft);
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/*
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* A file time is a 64-bit value that represents the number
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* of 100-nanosecond intervals that have elapsed since
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* January 1, 1601 12:00 A.M. UTC.
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*
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* Between January 1, 1970 (Epoch) and January 1, 1601 there were
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* 134744 days,
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* 11644473600 seconds or
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* 11644473600,000,000,0 100-nanosecond intervals.
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*
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* See also MSKB Q167296.
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*/
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intervals = ((uint64_t) ft.dwHighDateTime << 32) | ft.dwLowDateTime;
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intervals -= 116444736000000000;
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tp->tv_sec = (long) (intervals / 10000000);
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tp->tv_usec = (long) ((intervals % 10000000) / 10);
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}
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void
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ngx_libc_localtime(time_t s, struct tm *tm)
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{
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struct tm *t;
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t = localtime(&s);
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*tm = *t;
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}
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void
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ngx_libc_gmtime(time_t s, struct tm *tm)
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{
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struct tm *t;
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t = gmtime(&s);
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*tm = *t;
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}
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ngx_int_t
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ngx_gettimezone(void)
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{
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u_long n;
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TIME_ZONE_INFORMATION tz;
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n = GetTimeZoneInformation(&tz);
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switch (n) {
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case TIME_ZONE_ID_UNKNOWN:
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return -tz.Bias;
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case TIME_ZONE_ID_STANDARD:
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return -(tz.Bias + tz.StandardBias);
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case TIME_ZONE_ID_DAYLIGHT:
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return -(tz.Bias + tz.DaylightBias);
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default: /* TIME_ZONE_ID_INVALID */
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return 0;
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}
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}
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