1 files changed, 0 insertions, 440 deletions

diff --git a/src/third_party/timelib/interval.c b/src/third_party/timelib/interval.c
deleted file mode 100644
index e3bf5101b1d..00000000000
--- a/src/third_party/timelib/interval.c
+++ /dev/null
@@ -1,440 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2015-2019 Derick Rethans
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "timelib.h"
-#include "timelib_private.h"
-#include <math.h>
-
-static void swap_times(timelib_time **one, timelib_time **two, timelib_rel_time *rt)
-{
-	timelib_time *swp;
-
-	swp = *two;
-	*two = *one;
-	*one = swp;
-	rt->invert = 1;
-}
-
-static void swap_if_negative(timelib_rel_time *rt)
-{
-	if (rt->y == 0 && rt->m == 0 && rt->d == 0 && rt->h == 0 && rt->i == 0 && rt->s == 0 && rt->us == 0) {
-		return;
-	}
-	if (rt->y >= 0 && rt->m >= 0 && rt->d >= 0 && rt->h >= 0 && rt->i >= 0 && rt->s >= 0 && rt->us >= 0) {
-		return;
-	}
-
-	rt->invert = 1 - rt->invert;
-	rt->y = 0 - rt->y;
-	rt->m = 0 - rt->m;
-	rt->d = 0 - rt->d;
-	rt->h = 0 - rt->h;
-	rt->i = 0 - rt->i;
-	rt->s = 0 - rt->s;
-	rt->us = 0 - rt->us;
-}
-
-static void sort_old_to_new(timelib_time **one, timelib_time **two, timelib_rel_time *rt)
-{
-	/* Check whether date/times need to be inverted. If both times are
-	 * TIMELIB_ZONETYPE_ID times with the same TZID, we use the y-s + us fields. */
-	if (
-		(*one)->zone_type == TIMELIB_ZONETYPE_ID &&
-		(*two)->zone_type == TIMELIB_ZONETYPE_ID &&
-		(strcmp((*one)->tz_info->name, (*two)->tz_info->name) == 0)
-	) {
-		if (
-			((*one)->y > (*two)->y) ||
-			((*one)->y == (*two)->y && (*one)->m > (*two)->m) ||
-			((*one)->y == (*two)->y && (*one)->m == (*two)->m && (*one)->d > (*two)->d) ||
-			((*one)->y == (*two)->y && (*one)->m == (*two)->m && (*one)->d == (*two)->d && (*one)->h > (*two)->h) ||
-			((*one)->y == (*two)->y && (*one)->m == (*two)->m && (*one)->d == (*two)->d && (*one)->h == (*two)->h && (*one)->i > (*two)->i) ||
-			((*one)->y == (*two)->y && (*one)->m == (*two)->m && (*one)->d == (*two)->d && (*one)->h == (*two)->h && (*one)->i == (*two)->i && (*one)->s > (*two)->s) ||
-			((*one)->y == (*two)->y && (*one)->m == (*two)->m && (*one)->d == (*two)->d && (*one)->h == (*two)->h && (*one)->i == (*two)->i && (*one)->s == (*two)->s && (*one)->us > (*two)->us)
-		) {
-			swap_times(one, two, rt);
-		}
-		return;
-	}
-
-	/* Fall back to using the SSE instead to rearrange */
-	if (
-		((*one)->sse > (*two)->sse) ||
-		((*one)->sse == (*two)->sse && (*one)->us > (*two)->us)
-	) {
-		swap_times(one, two, rt);
-	}
-}
-
-static timelib_rel_time *timelib_diff_with_tzid(timelib_time *one, timelib_time *two)
-{
-	timelib_rel_time *rt;
-	timelib_sll       dst_corr = 0, dst_h_corr = 0, dst_m_corr = 0;
-	int32_t           trans_offset;
-	timelib_sll       trans_transition_time;
-
-	rt = timelib_rel_time_ctor();
-	rt->invert = 0;
-
-	sort_old_to_new(&one, &two, rt);
-
-	/* Calculate correction for UTC offset changes between first and second SSE */
-	dst_corr = two->z - one->z;
-	dst_h_corr = dst_corr / 3600;
-	dst_m_corr = (dst_corr % 3600) / 60;
-
-	rt->y = two->y - one->y;
-	rt->m = two->m - one->m;
-	rt->d = two->d - one->d;
-	rt->h = two->h - one->h;
-	rt->i = two->i - one->i;
-	rt->s = two->s - one->s;
-	rt->us = two->us - one->us;
-
-	rt->days = timelib_diff_days(one, two);
-
-	/* Fall Back: Cater for transition period, where rt->invert is 0, but there are negative numbers */
-	if (one->dst == 1 && two->dst == 0) {
-		/* First for two "Type 3" times */
-		if (one->zone_type == TIMELIB_ZONETYPE_ID && two->zone_type == TIMELIB_ZONETYPE_ID) {
-			int success = timelib_get_time_zone_offset_info(two->sse, two->tz_info, &trans_offset, &trans_transition_time, NULL);
-			if (
-				success &&
-				one->sse < trans_transition_time &&
-				one->sse >= trans_transition_time + dst_corr
-			) {
-					timelib_sll flipped = SECS_PER_HOUR + (rt->i * 60) + (rt->s);
-					rt->h = flipped / SECS_PER_HOUR;
-					rt->i = (flipped - rt->h * SECS_PER_HOUR) / 60;
-					rt->s = flipped % 60;
-			}
-		} else if (rt->h == 0 && (rt->i < 0 || rt->s < 0)) {
-			/* Then for all the others */
-			timelib_sll flipped = SECS_PER_HOUR + (rt->i * 60) + (rt->s);
-			rt->h = flipped / SECS_PER_HOUR;
-			rt->i = (flipped - rt->h * SECS_PER_HOUR) / 60;
-			rt->s = flipped % 60;
-			dst_corr += SECS_PER_HOUR;
-			dst_h_corr++;
-		}
-	}
-
-	timelib_do_rel_normalize(rt->invert ? one : two, rt);
-
-	/* Do corrections for "Type 3" times with the same TZID */
-	if (one->zone_type == TIMELIB_ZONETYPE_ID && two->zone_type == TIMELIB_ZONETYPE_ID && strcmp(one->tz_info->name, two->tz_info->name) == 0) {
-		if (one->dst == 1 && two->dst == 0) { /* Fall Back */
-			if (two->tz_info) {
-				int success = timelib_get_time_zone_offset_info(two->sse, two->tz_info, &trans_offset, &trans_transition_time, NULL);
-
-				if (
-					success &&
-					two->sse >= trans_transition_time &&
-					((two->sse - one->sse + dst_corr) % SECS_PER_DAY) > (two->sse - trans_transition_time)
-				) {
-					rt->h -= dst_h_corr;
-					rt->i -= dst_m_corr;
-				}
-			}
-		} else if (one->dst == 0 && two->dst == 1) { /* Spring Forward */
-			if (two->tz_info) {
-				int success = timelib_get_time_zone_offset_info(two->sse, two->tz_info, &trans_offset, &trans_transition_time, NULL);
-
-				if (
-					success &&
-					!((one->sse + SECS_PER_DAY > trans_transition_time) && (one->sse + SECS_PER_DAY <= (trans_transition_time + dst_corr))) &&
-					two->sse >= trans_transition_time &&
-					((two->sse - one->sse + dst_corr) % SECS_PER_DAY) > (two->sse - trans_transition_time)
-				) {
-					rt->h -= dst_h_corr;
-					rt->i -= dst_m_corr;
-				}
-			}
-		} else if (two->sse - one->sse >= SECS_PER_DAY) {
-			/* Check whether we're in the period to the next transition time */
-			if (timelib_get_time_zone_offset_info(two->sse - two->z, two->tz_info, &trans_offset, &trans_transition_time, NULL)) {
-				dst_corr = one->z - trans_offset;
-
-				if (two->sse >= trans_transition_time - dst_corr && two->sse < trans_transition_time) {
-					rt->d--;
-					rt->h = 24;
-				}
-			}
-		}
-	} else {
-		rt->h -= dst_h_corr;
-		rt->i -= dst_m_corr;
-
-		swap_if_negative(rt);
-
-		timelib_do_rel_normalize(rt->invert ? one : two, rt);
-	}
-
-	return rt;
-}
-
-timelib_rel_time *timelib_diff(timelib_time *one, timelib_time *two)
-{
-	timelib_rel_time *rt;
-
-	if (one->zone_type == TIMELIB_ZONETYPE_ID && two->zone_type == TIMELIB_ZONETYPE_ID && strcmp(one->tz_info->name, two->tz_info->name) == 0) {
-		return timelib_diff_with_tzid(one, two);
-	}
-
-	rt = timelib_rel_time_ctor();
-	rt->invert = 0;
-
-	sort_old_to_new(&one, &two, rt);
-
-	rt->y = two->y - one->y;
-	rt->m = two->m - one->m;
-	rt->d = two->d - one->d;
-	rt->h = two->h - one->h;
-	if (one->zone_type != TIMELIB_ZONETYPE_ID) {
-		rt->h = rt->h + one->dst;
-	}
-	if (two->zone_type != TIMELIB_ZONETYPE_ID) {
-		rt->h = rt->h - two->dst;
-	}
-	rt->i = two->i - one->i;
-	rt->s = two->s - one->s - two->z + one->z;
-	rt->us = two->us - one->us;
-
-	rt->days = timelib_diff_days(one, two);
-
-	timelib_do_rel_normalize(rt->invert ? one : two, rt);
-
-	return rt;
-}
-
-
-int timelib_diff_days(timelib_time *one, timelib_time *two)
-{
-	int days = 0;
-
-	if (timelib_same_timezone(one, two)) {
-		timelib_time *earliest, *latest;
-		double earliest_time, latest_time;
-
-		if (timelib_time_compare(one, two) < 0) {
-			earliest = one;
-			latest = two;
-		} else {
-			earliest = two;
-			latest = one;
-		}
-		timelib_hmsf_to_decimal_hour(earliest->h, earliest->i, earliest->s, earliest->us, &earliest_time);
-		timelib_hmsf_to_decimal_hour(latest->h, latest->i, latest->s, latest->us, &latest_time);
-
-		days = llabs(timelib_epoch_days_from_time(one) - timelib_epoch_days_from_time(two));
-		if (latest_time < earliest_time && days > 0) {
-			days--;
-		}
-	} else {
-		days = fabs(floor(one->sse - two->sse) / 86400);
-	}
-
-	return days;
-}
-
-
-timelib_time *timelib_add(timelib_time *old_time, timelib_rel_time *interval)
-{
-	int bias = 1;
-	timelib_time *t = timelib_time_clone(old_time);
-
-	if (interval->have_weekday_relative || interval->have_special_relative) {
-		memcpy(&t->relative, interval, sizeof(timelib_rel_time));
-	} else {
-		if (interval->invert) {
-			bias = -1;
-		}
-		memset(&t->relative, 0, sizeof(timelib_rel_time));
-		t->relative.y = interval->y * bias;
-		t->relative.m = interval->m * bias;
-		t->relative.d = interval->d * bias;
-		t->relative.h = interval->h * bias;
-		t->relative.i = interval->i * bias;
-		t->relative.s = interval->s * bias;
-		t->relative.us = interval->us * bias;
-	}
-	t->have_relative = 1;
-	t->sse_uptodate = 0;
-
-	timelib_update_ts(t, NULL);
-
-	timelib_update_from_sse(t);
-	t->have_relative = 0;
-
-	return t;
-}
-
-timelib_time *timelib_sub(timelib_time *old_time, timelib_rel_time *interval)
-{
-	int bias = 1;
-	timelib_time *t = timelib_time_clone(old_time);
-
-	if (interval->invert) {
-		bias = -1;
-	}
-
-	memset(&t->relative, 0, sizeof(timelib_rel_time));
-	t->relative.y = 0 - (interval->y * bias);
-	t->relative.m = 0 - (interval->m * bias);
-	t->relative.d = 0 - (interval->d * bias);
-	t->relative.h = 0 - (interval->h * bias);
-	t->relative.i = 0 - (interval->i * bias);
-	t->relative.s = 0 - (interval->s * bias);
-	t->relative.us = 0 - (interval->us * bias);
-	t->have_relative = 1;
-	t->sse_uptodate = 0;
-
-	timelib_update_ts(t, NULL);
-
-	timelib_update_from_sse(t);
-
-	t->have_relative = 0;
-
-	return t;
-}
-
-static void do_range_limit(timelib_sll start, timelib_sll end, timelib_sll adj, timelib_sll *a, timelib_sll *b)
-{
-	if (*a < start) {
-		*b -= (start - *a - 1) / adj + 1;
-		*a += adj * ((start - *a - 1) / adj + 1);
-	}
-	if (*a >= end) {
-		*b += *a / adj;
-		*a -= adj * (*a / adj);
-	}
-}
-
-
-timelib_time *timelib_add_wall(timelib_time *old_time, timelib_rel_time *interval)
-{
-	int bias = 1;
-	timelib_time *t = timelib_time_clone(old_time);
-
-	t->have_relative = 1;
-	t->sse_uptodate = 0;
-
-	if (interval->have_weekday_relative || interval->have_special_relative) {
-		memcpy(&t->relative, interval, sizeof(timelib_rel_time));
-
-		timelib_update_ts(t, NULL);
-
-		timelib_update_from_sse(t);
-	} else {
-		if (interval->invert) {
-			bias = -1;
-		}
-		memset(&t->relative, 0, sizeof(timelib_rel_time));
-		t->relative.y = interval->y * bias;
-		t->relative.m = interval->m * bias;
-		t->relative.d = interval->d * bias;
-
-		if (t->relative.y || t->relative.m || t->relative.d) {
-			timelib_update_ts(t, NULL);
-		}
-
-		if (interval->us == 0) {
-			t->sse += bias * timelib_hms_to_seconds(interval->h, interval->i, interval->s);
-			timelib_update_from_sse(t);
-		} else {
-			timelib_rel_time *temp_interval = timelib_rel_time_clone(interval);
-
-			do_range_limit(0, 1000000, 1000000, &temp_interval->us, &temp_interval->s);
-			t->sse += bias * timelib_hms_to_seconds(temp_interval->h, temp_interval->i, temp_interval->s);
-			timelib_update_from_sse(t);
-			t->us += temp_interval->us * bias;
-
-			timelib_do_normalize(t);
-			timelib_update_ts(t, NULL);
-
-			timelib_rel_time_dtor(temp_interval);
-		}
-		timelib_do_normalize(t);
-	}
-
-	if (t->zone_type == TIMELIB_ZONETYPE_ID) {
-		timelib_set_timezone(t, t->tz_info);
-	}
-	t->have_relative = 0;
-
-	return t;
-}
-
-timelib_time *timelib_sub_wall(timelib_time *old_time, timelib_rel_time *interval)
-{
-	int bias = 1;
-	timelib_time *t = timelib_time_clone(old_time);
-
-	t->have_relative = 1;
-	t->sse_uptodate = 0;
-
-	if (interval->have_weekday_relative || interval->have_special_relative) {
-		memcpy(&t->relative, interval, sizeof(timelib_rel_time));
-
-		timelib_update_ts(t, NULL);
-		timelib_update_from_sse(t);
-	} else {
-		if (interval->invert) {
-			bias = -1;
-		}
-		memset(&t->relative, 0, sizeof(timelib_rel_time));
-		t->relative.y = 0 - (interval->y * bias);
-		t->relative.m = 0 - (interval->m * bias);
-		t->relative.d = 0 - (interval->d * bias);
-
-		if (t->relative.y || t->relative.m || t->relative.d) {
-			timelib_update_ts(t, NULL);
-		}
-
-		if (interval->us == 0) {
-			t->sse -= bias * timelib_hms_to_seconds(interval->h, interval->i, interval->s);
-			timelib_update_from_sse(t);
-		} else {
-			timelib_rel_time *temp_interval = timelib_rel_time_clone(interval);
-
-			do_range_limit(0, 1000000, 1000000, &temp_interval->us, &temp_interval->s);
-			t->sse -= bias * timelib_hms_to_seconds(temp_interval->h, temp_interval->i, temp_interval->s);
-			timelib_update_from_sse(t);
-			t->us -= temp_interval->us * bias;
-
-			timelib_do_normalize(t);
-			timelib_update_ts(t, NULL);
-
-			timelib_rel_time_dtor(temp_interval);
-		}
-		timelib_do_normalize(t);
-	}
-
-	if (t->zone_type == TIMELIB_ZONETYPE_ID) {
-		timelib_set_timezone(t, t->tz_info);
-	}
-	t->have_relative = 0;
-
-	return t;
-}