forked from KolibriOS/kolibrios
62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#include <time.h>
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#include <kolibrisys.h>
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struct tm __buffertime;
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struct tm * localtime (const time_t * timer)
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/* non-standard! ignore parameter and return just time now */
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{
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int kos_date, kos_time;
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kos_date = _ksys_get_date();
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kos_time = _ksys_get_system_clock();
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__buffertime.tm_mday = kos_date >> 16;
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__buffertime.tm_mon = ((kos_date & 0xFF00) >> 8) -1;
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__buffertime.tm_year = kos_date >> 16 + 100;
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__buffertime.tm_wday = __buffertime.tm_yday = __buffertime.tm_isdst = -1; /* temporary */
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__buffertime.tm_sec = kos_time >> 16;
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__buffertime.tm_min = (kos_time & 0xFF00) >> 8;
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__buffertime.tm_hour = kos_time & 0xFF;
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return &__buffertime;
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}
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time_t time (time_t* timer)
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{
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time_t t = mktime(localtime(0));
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if (timer) *timer = t;
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return t;
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}
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time_t mktime (struct tm * timeptr)
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{
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int y, m, d;
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time_t t;
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y = timeptr->tm_year + 1900;
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m = timeptr->tm_mon + 1;
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d = timeptr->tm_mday; /* to -1 or not to -1? */
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if (m < 3) { m += 12; y -= 1; }
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t = y * 365 + y / 4 + y /400 - y / 100; /* years - > days */
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t += 30 * m + 3 * (m + 1) / 5 + d; /* add month days */
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t -= 719561; /* 01 jan 1970 */
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t *= 86400;
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t += 3600 * timeptr->tm_hour + 60 * timeptr->tm_min + timeptr->tm_sec;
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return t;
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}
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double difftime (time_t end, time_t beginning)
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{
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return end - beginning;
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}
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