blob: 798c14383c9f8ab7c0ed747f50f78a54207a4065 [file] [log] [blame]
/*
* Copyright (C) Igor Sysoev
*/
#include <ngx_config.h>
#include <ngx_core.h>
void
ngx_gettimeofday(struct timeval *tp)
{
uint64_t intervals;
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
/*
* A file time is a 64-bit value that represents the number
* of 100-nanosecond intervals that have elapsed since
* January 1, 1601 12:00 A.M. UTC.
*
* Between January 1, 1970 (Epoch) and January 1, 1601 there were
* 134744 days,
* 11644473600 seconds or
* 11644473600,000,000,0 100-nanosecond intervals.
*
* See also MSKB Q167296.
*/
intervals = ((uint64_t) ft.dwHighDateTime << 32) | ft.dwLowDateTime;
intervals -= 116444736000000000;
tp->tv_sec = (long) (intervals / 10000000);
tp->tv_usec = (long) ((intervals % 10000000) / 10);
}
void
ngx_libc_localtime(time_t s, struct tm *tm)
{
struct tm *t;
t = localtime(&s);
*tm = *t;
}
void
ngx_libc_gmtime(time_t s, struct tm *tm)
{
struct tm *t;
t = gmtime(&s);
*tm = *t;
}
ngx_int_t
ngx_gettimezone(void)
{
u_long n;
TIME_ZONE_INFORMATION tz;
n = GetTimeZoneInformation(&tz);
switch (n) {
case TIME_ZONE_ID_UNKNOWN:
return -tz.Bias;
case TIME_ZONE_ID_STANDARD:
return -(tz.Bias + tz.StandardBias);
case TIME_ZONE_ID_DAYLIGHT:
return -(tz.Bias + tz.DaylightBias);
default: /* TIME_ZONE_ID_INVALID */
return 0;
}
}