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authorLucas de Castro Borges <lucas@gnuabordo.com.br>2025-02-14 14:26:38 -0300
committerLucas de Castro Borges <lucas@gnuabordo.com.br>2025-02-14 14:26:38 -0300
commit294bc6ecabf14c09c9bc8644704921dcf97cb44e (patch)
tree279b1e0bab53901a1647ac63c1c724f0f789a663 /src/third_party/timelib-2021.06/interval.c
parent70be7c27a251621187a1de533462ae2bb1e3bd39 (diff)
parent1e917fd798aa25b7066d4b414b51184f13d5a092 (diff)
Update upstream source from tag 'upstream/6.0.10'debian/6.0.10-1
Update to upstream version '6.0.10' with Debian dir 2d176fa254eee97b139f712fec5709641335a8c3
Diffstat (limited to 'src/third_party/timelib-2021.06/interval.c')
-rw-r--r--src/third_party/timelib-2021.06/interval.c282
1 files changed, 0 insertions, 282 deletions
diff --git a/src/third_party/timelib-2021.06/interval.c b/src/third_party/timelib-2021.06/interval.c
deleted file mode 100644
index 0a6163d0c1d..00000000000
--- a/src/third_party/timelib-2021.06/interval.c
+++ /dev/null
@@ -1,282 +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>
-
-timelib_rel_time *timelib_diff(timelib_time *one, timelib_time *two)
-{
- timelib_rel_time *rt;
- timelib_time *swp;
- timelib_sll dst_corr = 0, dst_h_corr = 0, dst_m_corr = 0;
- timelib_time_offset *trans = NULL;
-
-
- rt = timelib_rel_time_ctor();
- rt->invert = 0;
- if (
- (one->sse > two->sse) ||
- (one->sse == two->sse && one->us > two->us)
- ) {
- swp = two;
- two = one;
- one = swp;
- rt->invert = 1;
- }
-
- /* 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 = fabs(floor((one->sse - two->sse - (dst_h_corr * 3600) - (dst_m_corr * 60)) / 86400));
-
- /* 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 == 3 && two->zone_type == 3) {
- trans = timelib_get_time_zone_info(two->sse, two->tz_info);
- if (trans) {
- if (one->sse >= trans->transition_time + dst_corr && one->sse < trans->transition_time) {
- 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;
- }
- timelib_time_offset_dtor(trans);
- trans = NULL;
- }
- } 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 */
- if (one->zone_type == 3 && two->zone_type == 3) {
- if (one->dst == 1 && two->dst == 0) { /* Fall Back */
- if (two->tz_info) {
- trans = timelib_get_time_zone_info(two->sse, two->tz_info);
-
- if (
- trans &&
- 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) {
- trans = timelib_get_time_zone_info(two->sse, two->tz_info);
-
- if (
- trans &&
- !((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 */
- trans = timelib_get_time_zone_info(two->sse - two->z, two->tz_info);
- 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 {
- /* Then for all the others */
- rt->h -= dst_h_corr + (two->dst - one->dst);
- rt->i -= dst_m_corr;
-
- timelib_do_rel_normalize(rt->invert ? one : two, rt);
- }
-
- if (trans) {
- timelib_time_offset_dtor(trans);
- }
-
- return rt;
-}
-
-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;
-}
-
-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);
- } 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);
- }
-
- t->sse += bias * timelib_hms_to_seconds(interval->h, interval->i, interval->s);
- t->us += interval->us * bias;
- timelib_do_normalize(t);
- }
-
- timelib_update_from_sse(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);
- } 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);
- }
-
- t->sse -= bias * timelib_hms_to_seconds(interval->h, interval->i, interval->s);
- t->us -= interval->us * bias;
- timelib_do_normalize(t);
- }
-
- timelib_update_from_sse(t);
- if (t->zone_type == TIMELIB_ZONETYPE_ID) {
- timelib_set_timezone(t, t->tz_info);
- }
- t->have_relative = 0;
-
- return t;
-}