62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
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/*
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(c) Copyright 1992 Eric Backus
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This software may be used freely so long as this copyright notice is
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left intact. There is no warrantee on this software.
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*/
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#include <time.h>
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#include <sys/time.h>
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#include "dos.h"
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static int daylight, gmtoffset;
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int
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gettimeofday (struct timeval *tp, struct timezone *tzp)
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{
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if (tp)
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{
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struct time t;
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struct date d;
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struct tm tmrec;
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gettime (&t);
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getdate (&d);
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tmrec.tm_year = d.da_year - 1900;
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tmrec.tm_mon = d.da_mon - 1;
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tmrec.tm_mday = d.da_day;
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tmrec.tm_hour = t.ti_hour;
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tmrec.tm_min = t.ti_min;
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tmrec.tm_sec = t.ti_sec;
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/* tmrec.tm_gmtoff = gmtoffset;*/
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tmrec.tm_isdst = daylight;
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tp->tv_sec = mktime (&tmrec);
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tp->tv_usec = t.ti_hund * (1000000 / 100);
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}
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if (tzp)
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{
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tzp->tz_minuteswest = gmtoffset;
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tzp->tz_dsttime = daylight;
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}
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return 0;
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}
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void
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__gettimeofday_init ()
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{
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time_t ltm, gtm;
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struct tm *lstm;
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daylight = 0;
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gmtoffset = 0;
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ltm = gtm = time (NULL);
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ltm = mktime (lstm = localtime (<m));
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gtm = mktime (gmtime (>m));
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daylight = lstm->tm_isdst;
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gmtoffset = (int)(gtm - ltm) / 60;
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}
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