256be56344
-- 00d42e3d5433aaf29c2ed293520b2ba178ae8bdb by Greg Falcon <gfalcon@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 238061818 -- 867a7ca318fac2991ea9a4107dbae3cc9fbf974a by Abseil Team <absl-team@google.com>: Added a IWYU export pragma when including a standard header for the purpose of aliasing its symbols. PiperOrigin-RevId: 238022277 -- 17047745058f2f151cd986ea9f649512542d3876 by Matt Armstrong <marmstrong@google.com>: Clarify the comment discouraging WrapUnique<T>(x) calls. PiperOrigin-RevId: 237873803 -- 3dcb2e4968243d33ca0ce53280c445df50f4a7ec by Samuel Benzaquen <sbenza@google.com>: Workaround clang bug https://bugs.llvm.org/show_bug.cgi?id=38289 PiperOrigin-RevId: 237873551 -- f348d2dc7087a990cbdfb95aa51fd7ff478ae40e by Samuel Benzaquen <sbenza@google.com>: Reduce minimum capacity to 1. This reduces memory usage for small tables. A flat_hash_set<int> of 1 element goes from 92 bytes to 24. A flat_hash_set<string> of 1 element goes from 512 bytes to 56. PiperOrigin-RevId: 237859811 -- 9c8125be5e4e5d22a7bb62bdec8c323338385c1b by Jon Cohen <cohenjon@google.com>: Bump to CMake 3.5. This is the oldest modern cmake being included by default in most popular OS distributions according to https://repology.org/project/cmake/versions. Specifically, Ubuntu LTS 16.04 uses cmake 3.5 (https://packages.ubuntu.com/xenial/cmake) PiperOrigin-RevId: 237859345 -- 07638d672e0a4dced986a62750cfd8318ed36ffa by Derek Mauro <dmauro@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 237714597 GitOrigin-RevId: 00d42e3d5433aaf29c2ed293520b2ba178ae8bdb Change-Id: I5faecc45add4a5a774d4f9baf06e5519091f2ccc
49 lines
2 KiB
C++
49 lines
2 KiB
C++
// Copyright 2016 Google Inc. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_
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#define ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_
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#include <string>
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#include "absl/time/internal/cctz/include/cctz/time_zone.h"
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namespace absl {
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namespace time_internal {
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namespace cctz {
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// Helper functions for dealing with the names and abbreviations
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// of time zones that are a fixed offset (seconds east) from UTC.
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// FixedOffsetFromName() extracts the offset from a valid fixed-offset
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// name, while FixedOffsetToName() and FixedOffsetToAbbr() generate
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// the canonical zone name and abbreviation respectively for the given
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// offset.
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//
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// A fixed-offset name looks like "Fixed/UTC<+-><hours>:<mins>:<secs>".
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// Its abbreviation is of the form "UTC(<+->H?H(MM(SS)?)?)?" where the
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// optional pieces are omitted when their values are zero. (Note that
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// the sign is the opposite of that used in a POSIX TZ specification.)
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//
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// Note: FixedOffsetFromName() fails on syntax errors or when the parsed
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// offset exceeds 24 hours. FixedOffsetToName() and FixedOffsetToAbbr()
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// both produce "UTC" when the argument offset exceeds 24 hours.
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bool FixedOffsetFromName(const std::string& name, seconds* offset);
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std::string FixedOffsetToName(const seconds& offset);
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std::string FixedOffsetToAbbr(const seconds& offset);
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} // namespace cctz
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} // namespace time_internal
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} // namespace absl
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#endif // ABSL_TIME_INTERNAL_CCTZ_TIME_ZONE_FIXED_H_
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