Merge branch 'odin' of git.hitchhiker-linux.org:jeang3nie/libepoch into odin
This commit is contained in:
commit
5d3d4658f5
3 changed files with 55 additions and 43 deletions
12
config.mk
12
config.mk
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@ -0,0 +1,12 @@
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PREFIX ?= /usr/local
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bindir = $(DESTDIR)$(PREFIX)/bin
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includedir = $(DESTDIR)$(PREFIX)/include
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libdir = $(DESTDIR)$(PREFIX)/lib
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sharedir = $(DESTDIR)$(PREFIX)/share
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mandir = $(sharedir)/man
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docdir = $(sharedir)/doc/libepoch
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# We need an `echo` program that doesn't screw with terminal escape sequences.
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# This only matters if /bin/sh is a symlink to dash, as the echo builtin in dash
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# will screw with them and pass them as printed characters.
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ECHO = /bin/echo
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82
datetime.c
82
datetime.c
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@ -32,7 +32,6 @@
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#include "epoch.h"
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#include <stdint.h>
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#include <stdio.h>
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#include <time.h>
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int32_t dateTimeGetYear(DateTime *self) {
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@ -84,68 +83,69 @@ Weekday dateTimeGetWeekday(DateTime *self) {
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return ts % 7;
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}
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void dateTimeFromTimestampParts(int64_t seconds, int64_t nanoseconds, DateTime *dt) {
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void dateTimeFromTimestampParts(DateTime *self, int64_t seconds, int64_t nanoseconds) {
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int ret = 0;
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dt->nanoseconds = nanoseconds;
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dt->zone.tag = UTC;
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self->nanoseconds = nanoseconds;
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self->zone.tag = UTC;
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if (seconds < 0) {
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yearNew(&dt->year, 1969);
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while (seconds < yearGetSeconds(&dt->year)) {
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seconds += yearGetSeconds(&dt->year);
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yearDecrement(&dt->year);
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yearNew(&self->year, 1969);
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while (seconds < yearGetSeconds(&self->year)) {
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seconds += yearGetSeconds(&self->year);
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yearDecrement(&self->year);
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}
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dt->month = December;
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self->month = December;
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while (ret == 0) {
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if (-seconds < monthGetSeconds(dt->month, &dt->year)) break;
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seconds += monthGetSeconds(dt->month, &dt->year);
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ret = monthDecrement(&dt->month);
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if (-seconds < monthGetSeconds(self->month, &self->year)) break;
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seconds += monthGetSeconds(self->month, &self->year);
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ret = monthDecrement(&self->month);
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}
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ret = 0;
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dt->day = monthGetDays(dt->month, &dt->year);
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while (dt->day > 0 && seconds < -SECONDS_PER_DAY) {
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self->day = monthGetDays(self->month, &self->year);
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while (self->day > 0 && seconds < -SECONDS_PER_DAY) {
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seconds += SECONDS_PER_DAY;
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dt->day -=1;
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self->day -=1;
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}
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dt->hour = 23;
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while (dt->hour > 0 && seconds < -SECONDS_PER_HOUR) {
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self->hour = 23;
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while (self->hour > 0 && seconds < -SECONDS_PER_HOUR) {
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seconds += SECONDS_PER_HOUR;
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dt->hour -= 1;
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self->hour -= 1;
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}
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dt->minute = 59;
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while (dt->minute > 0 && seconds < -60) {
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self->minute = 59;
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while (self->minute > 0 && seconds < -60) {
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seconds += 60;
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dt->minute -= 1;
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self->minute -= 1;
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}
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dt->second = seconds + 60;
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self->second = seconds + 60;
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} else if (seconds > 0) {
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yearNew(&dt->year, 1970);
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while (yearGetSeconds(&dt->year) < seconds) {
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seconds -= yearGetSeconds(&dt->year);
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yearIncrement(&dt->year);
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yearNew(&self->year, 1970);
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while (yearGetSeconds(&self->year) < seconds) {
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seconds -= yearGetSeconds(&self->year);
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yearIncrement(&self->year);
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}
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dt->month = January;
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while (ret == 0 && monthGetSeconds(dt->month, &dt->year) < seconds) {
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seconds -= (int64_t)monthGetSeconds(dt->month, &dt->year);
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ret = monthIncrement(&dt->month);
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self->month = January;
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while (ret == 0 && monthGetSeconds(self->month, &self->year) < seconds) {
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seconds -= (int64_t)monthGetSeconds(self->month, &self->year);
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ret = monthIncrement(&self->month);
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}
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dt->day = seconds / SECONDS_PER_DAY + 1;
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self->day = seconds / SECONDS_PER_DAY + 1;
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seconds %= SECONDS_PER_DAY;
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dt->hour = seconds / SECONDS_PER_HOUR;
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self->hour = seconds / SECONDS_PER_HOUR;
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seconds %= SECONDS_PER_HOUR;
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dt->minute = seconds / 60;
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self->minute = seconds / 60;
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seconds %= 60;
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dt->second = seconds;
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self->second = seconds;
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} else {
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yearNew(&dt->year, 1970);
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dt->month = January;
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dt->day = 1;
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dt->hour = 0;
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dt->minute = 0;
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dt->second = 0;
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yearNew(&self->year, 1970);
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self->month = January;
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self->day = 1;
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self->hour = 0;
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self->minute = 0;
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self->second = 0;
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}
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}
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void dateTimeFromTimespec(DateTime *self, struct timespec *ts) {
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dateTimeFromTimestampParts(ts->tv_sec, ts->tv_nsec, self);
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dateTimeFromTimestampParts(self, ts->tv_sec, ts->tv_nsec);
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}
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@ -146,8 +146,8 @@ int64_t dateTimeGetTimestampNaive (DateTime *self);
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int64_t dateTimeGetTimestamp (DateTime *self);
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void dateTimeGetTimespec (DateTime *self, struct timespec *ts);
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Weekday dateTimeGetWeekday (DateTime *self);
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void dateTimeFromTimestampParts (int64_t seconds, int64_t nanoseconds,
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DateTime *dt);
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void dateTimeFromTimestampParts (DateTime *self, int64_t seconds,
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int64_t nanoseconds);
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void dateTimeFromTimespec (DateTime *self, struct timespec *ts);
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#endif // !LIBEPOCH_H
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