Add 'third_party/abseil_cpp/' from commit '768eb2ca2857342673fcd462792ce04b8bac3fa3' r/781

git-subtree-dir: third_party/abseil_cpp
git-subtree-mainline: ffb2ae54beb5796cd408fbe15d2d2da09ff37adf
git-subtree-split: 768eb2ca2857342673fcd462792ce04b8bac3fa3

1 files changed, 45 insertions, 0 deletions

diff --git a/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.cc b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.cc
new file mode 100644
index 0000000000..0319b2f98e
--- /dev/null
+++ b/third_party/abseil_cpp/absl/time/internal/cctz/src/time_zone_if.cc
@@ -0,0 +1,45 @@
+// Copyright 2016 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   https://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+
+#include "time_zone_if.h"
+
+#include "absl/base/config.h"
+#include "time_zone_info.h"
+#include "time_zone_libc.h"
+
+namespace absl {
+ABSL_NAMESPACE_BEGIN
+namespace time_internal {
+namespace cctz {
+
+std::unique_ptr<TimeZoneIf> TimeZoneIf::Load(const std::string& name) {
+  // Support "libc:localtime" and "libc:*" to access the legacy
+  // localtime and UTC support respectively from the C library.
+  if (name.compare(0, 5, "libc:") == 0) {
+    return std::unique_ptr<TimeZoneIf>(new TimeZoneLibC(name.substr(5)));
+  }
+
+  // Otherwise use the "zoneinfo" implementation by default.
+  std::unique_ptr<TimeZoneInfo> tz(new TimeZoneInfo);
+  if (!tz->Load(name)) tz.reset();
+  return std::unique_ptr<TimeZoneIf>(tz.release());
+}
+
+// Defined out-of-line to avoid emitting a weak vtable in all TUs.
+TimeZoneIf::~TimeZoneIf() {}
+
+}  // namespace cctz
+}  // namespace time_internal
+ABSL_NAMESPACE_END
+}  // namespace absl