77 lines
2.7 KiB
C
77 lines
2.7 KiB
C
/* _,.---._ .-._ .--.-. ,--.--------.
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* _,..---._ ,-.' , - `. /==/ \ .-._/==/ //==/, - , -\
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* /==/, - \ /==/_, , - \|==|, \/ /, |==\ -\\==\.-. - ,-./
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* |==| _ _\==| .=. |==|- \| | \==\- \`--`\==\- \
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* |==| .=. |==|_ : ;=: - |==| , | -| `--`-' \==\_ \
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* |==|,| | -|==| , '=' |==| - _ | |==|- |
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* |==| '=' /\==\ - ,_ /|==| /\ , | |==|, |
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* |==|-, _`/ '.='. - .' /==/, | |- | /==/ -/
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* `-.`.____.' `--`--'' `--`./ `--` `--`--`
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* _ __ ,---. .-._ .=-.-. _,.----.
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* .-`.' ,`..--.' \ /==/ \ .-._ /==/_ /.' .' - \
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* /==/, - \==\-/\ \ |==|, \/ /, /==|, |/==/ , ,-'
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* |==| _ .=. /==/-|_\ | |==|- \| ||==| ||==|- | .
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* |==| , '=',\==\, - \ |==| , | -||==|- ||==|_ `-' \
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* |==|- '..'/==/ - ,| |==| - _ ||==| ,||==| _ , |
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* |==|, | /==/- /\ - \|==| /\ , ||==|- |\==\. /
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* /==/ - | \==\ _.\=\.-'/==/, | |- |/==/. / `-.`.___.-'
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* `--`---' `--` `--`./ `--``--`-`
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*
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* @(#)Copyright (c) 2024, Nathan D. Fisher.
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*
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* This is free software. It comes with NO WARRANTY.
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* Permission to use, modify and distribute this source code
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* is granted subject to the following conditions.
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* 1/ that the above copyright notice and this notice
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* are preserved in all copies and that due credit be given
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* to the author.
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* 2/ that any changes to this code are clearly commented
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* as such so that the author does not get blamed for bugs
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* other than his own.
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*/
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#include <stdint.h>
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#include "epoch.h"
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void yearNew(Year *self, int32_t inner) {
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self->year = inner;
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if (inner % 4 == 0 && (inner % 100 != 0 || inner % 400 == 0))
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self->tag = leapYear;
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else
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self->tag = normalYear;
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}
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uint16_t yearGetDays(Year *self) {
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switch (self->tag) {
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case normalYear:
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return 365;
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case leapYear:
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return 366;
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default:
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return 365;
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}
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}
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int64_t yearGetSeconds(Year *self) {
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return (int64_t)yearGetDays(self) * SECONDS_PER_DAY;
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}
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int32_t yearGetInner(Year *self) {
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return self->year;
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}
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void yearIncrement(Year *self) {
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self->year += 1;
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if (self->year % 4 == 0 && (self->year % 100 != 0 || self->year % 400 == 0))
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self->tag = leapYear;
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else
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self->tag = normalYear;
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}
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void yearDecrement(Year *self) {
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self->year -= 1;
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if (self->year % 4 == 0 && (self->year % 100 != 0 || self->year % 400 == 0))
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self->tag = leapYear;
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else
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self->tag = normalYear;
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}
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