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time_zone_manager: Implement go_ahead/go_back
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commit
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@ -2,6 +2,7 @@
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include <climits>
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#include <limits>
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#include "common/assert.h"
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#include "common/logging/log.h"
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@ -9,6 +10,7 @@
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#include "core/file_sys/nca_metadata.h"
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#include "core/file_sys/registered_cache.h"
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#include "core/hle/service/time/time_zone_manager.h"
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#include "core/hle/service/time/time_zone_types.h"
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namespace Service::Time::TimeZone {
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@ -629,11 +631,47 @@ static bool ParseTimeZoneBinary(TimeZoneRule& time_zone_rule, FileSys::VirtualFi
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UNIMPLEMENTED();
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}
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}
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const auto typesequiv = [](TimeZoneRule& rule, int a, int b) -> bool {
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if (a < 0 || a >= rule.type_count || b < 0 || b >= rule.type_count) {
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return {};
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}
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const struct TimeTypeInfo* ap = &rule.ttis[a];
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const struct TimeTypeInfo* bp = &rule.ttis[b];
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return (ap->gmt_offset == bp->gmt_offset && ap->is_dst == bp->is_dst &&
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(std::strcmp(&rule.chars[ap->abbreviation_list_index],
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&rule.chars[bp->abbreviation_list_index]) == 0));
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};
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if (time_zone_rule.type_count == 0) {
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return {};
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}
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if (time_zone_rule.time_count > 1) {
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UNIMPLEMENTED();
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if (time_zone_rule.ats[0] <= std::numeric_limits<s64>::max() - seconds_per_repeat) {
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s64 repeatat = time_zone_rule.ats[0] + seconds_per_repeat;
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int repeatattype = time_zone_rule.types[0];
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for (int i = 1; i < time_zone_rule.time_count; ++i) {
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if (time_zone_rule.ats[i] == repeatat &&
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typesequiv(time_zone_rule, time_zone_rule.types[i], repeatattype)) {
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time_zone_rule.go_back = true;
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break;
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}
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}
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}
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if (std::numeric_limits<s64>::min() + seconds_per_repeat <=
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time_zone_rule.ats[time_zone_rule.time_count - 1]) {
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s64 repeatat = time_zone_rule.ats[time_zone_rule.time_count - 1] - seconds_per_repeat;
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int repeatattype = time_zone_rule.types[time_zone_rule.time_count - 1];
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for (int i = time_zone_rule.time_count; i >= 0; --i) {
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if (time_zone_rule.ats[i] == repeatat &&
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typesequiv(time_zone_rule, time_zone_rule.types[i], repeatattype)) {
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time_zone_rule.go_ahead = true;
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break;
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}
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}
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}
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}
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s32 default_type{};
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