46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
#include "epoch.h"
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#include <stdint.h>
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#include <time.h>
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int32_t dateTimeGetYear(DateTime *self) {
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return self->year.year;
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}
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int64_t dateTimeGetTimestampNaive(DateTime *self) {
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int64_t seconds = 0;
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Year year = (Year){ .tag = normalYear, .year = 1970 };
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Month month = January;
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int32_t oldyear = yearGetInner(&self->year);
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if (oldyear < 1970) {
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while (yearGetInner(&year) > oldyear) {
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yearDecrement(&year);
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seconds -= yearGetSeconds(&year);
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}
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} else if (oldyear > 1970) {
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while (yearGetInner(&year) < oldyear) {
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seconds += yearGetSeconds(&year);
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yearIncrement(&year);
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}
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}
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while (month < self->month) {
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seconds += monthGetSeconds(month, &self->year);
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monthIncrement(&month);
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}
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seconds += ((int64_t)self->day - 1) * SECONDS_PER_DAY;
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seconds += (int64_t)self->hour * SECONDS_PER_HOUR;
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seconds += (int64_t)self->minute * 60;
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seconds += (int64_t)self->second;
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return seconds;
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}
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int64_t dateTimeGetTimestamp(DateTime *self) {
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int64_t seconds = dateTimeGetTimestampNaive(self);
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seconds += timezoneAsSeconds(&self->zone);
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return seconds;
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}
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void dateTimeGetTimeval(DateTime *self, struct timespec * ts) {
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ts->tv_nsec = self->nanoseconds;
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ts->tv_sec = (time_t)dateTimeGetTimestamp(self);
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}
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