mirror of
https://github.com/RGBCube/serenity
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7f1404b870
This changes LibTimeZone to read the current time zone from the file /etc/timezone rather than using tzset/tzname. Instead, in a subsequent commit, LibC's time methods will be changed to used LibTimeZone to retrieve the system time zone. Also add an API to set the system time zone. This method is only allowed when running within Serenity.
42 lines
1 KiB
C++
42 lines
1 KiB
C++
/*
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* Copyright (c) 2022, Tim Flynn <trflynn89@pm.me>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Error.h>
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#include <AK/Optional.h>
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#include <AK/StringView.h>
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#include <AK/Time.h>
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#include <AK/Types.h>
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#include <LibTimeZone/Forward.h>
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namespace TimeZone {
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enum class InDST {
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No,
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Yes,
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};
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struct Offset {
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i64 seconds { 0 };
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InDST in_dst { InDST::No };
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};
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StringView current_time_zone();
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ErrorOr<void> change_time_zone(StringView time_zone);
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Span<StringView const> all_time_zones();
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Optional<TimeZone> time_zone_from_string(StringView time_zone);
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StringView time_zone_to_string(TimeZone time_zone);
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Optional<StringView> canonicalize_time_zone(StringView time_zone);
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Optional<DaylightSavingsRule> daylight_savings_rule_from_string(StringView daylight_savings_rule);
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StringView daylight_savings_rule_to_string(DaylightSavingsRule daylight_savings_rule);
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Optional<Offset> get_time_zone_offset(TimeZone time_zone, AK::Time time);
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Optional<Offset> get_time_zone_offset(StringView time_zone, AK::Time time);
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}
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