Export of internal Abseil changes

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20b3acaff75d05315f272747956b01405adccafb by Greg Falcon <gfalcon@google.com>:

Re-import of CCTZ from GitHub, with new ABSL_NAMESPACE_ transform applied.

PiperOrigin-RevId: 285564474

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4d9e3fcabcea33c8b0b69f094ad2eddc0fa19557 by Derek Mauro <dmauro@google.com>:

Moves the disabling of a warning to before the function begins.

MSVC apparently requires this for warnings in the range 4700-4999.
https://docs.microsoft.com/en-us/cpp/preprocessor/warning?redirectedfrom=MSDN&view=vs-2019

PiperOrigin-RevId: 285516232

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4a060cbeda76e89693c50276ae5b62cbf0fff39a by Derek Mauro <dmauro@google.com>:

MSVC: Fixes uniform_real_distribution_test in opt mode

Disables a constant arithmetic overflow warning in a test that tests
the behavior on overflow. This should be tested because a user might
have this warning disabled.

PiperOrigin-RevId: 285452242

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548ab2f4cbe59bd6f6bf493af4f9ea765c4fa949 by Andy Soffer <asoffer@google.com>:

Release absl::bind_front, a C++11-compliant work-alike type for the C++20
std::bind_front.

PiperOrigin-RevId: 285247872
GitOrigin-RevId: 20b3acaff75d05315f272747956b01405adccafb
Change-Id: I00fe45939246cba9bfc7be375d67787d2eb57cd3

1 files changed, 12 insertions, 11 deletions

diff --git a/absl/time/internal/cctz/src/time_zone_libc.cc b/absl/time/internal/cctz/src/time_zone_libc.cc
index 6095e764df0d..47cf84c663d9 100644
--- a/absl/time/internal/cctz/src/time_zone_libc.cc
+++ b/absl/time/internal/cctz/src/time_zone_libc.cc
@@ -23,10 +23,12 @@
 #include <limits>
 #include <utility>
 
+#include "absl/base/config.h"
 #include "absl/time/internal/cctz/include/cctz/civil_time.h"
 #include "absl/time/internal/cctz/include/cctz/time_zone.h"
 
 namespace absl {
+ABSL_NAMESPACE_BEGIN
 namespace time_internal {
 namespace cctz {
 
@@ -84,9 +86,7 @@ auto tm_gmtoff(const T& tm) -> decltype(tm.__tm_gmtoff) {
 }
 #endif  // tm_gmtoff
 #if defined(tm_zone)
-auto tm_zone(const std::tm& tm) -> decltype(tm.tm_zone) {
-  return tm.tm_zone;
-}
+auto tm_zone(const std::tm& tm) -> decltype(tm.tm_zone) { return tm.tm_zone; }
 #elif defined(__tm_zone)
 auto tm_zone(const std::tm& tm) -> decltype(tm.__tm_zone) {
   return tm.__tm_zone;
@@ -103,19 +103,19 @@ auto tm_zone(const T& tm) -> decltype(tm.__tm_zone) {
 #endif  // tm_zone
 #endif
 
-inline std::tm* gm_time(const std::time_t *timep, std::tm *result) {
+inline std::tm* gm_time(const std::time_t* timep, std::tm* result) {
 #if defined(_WIN32) || defined(_WIN64)
-    return gmtime_s(result, timep) ? nullptr : result;
+  return gmtime_s(result, timep) ? nullptr : result;
 #else
-    return gmtime_r(timep, result);
+  return gmtime_r(timep, result);
 #endif
 }
 
-inline std::tm* local_time(const std::time_t *timep, std::tm *result) {
+inline std::tm* local_time(const std::time_t* timep, std::tm* result) {
 #if defined(_WIN32) || defined(_WIN64)
-    return localtime_s(result, timep) ? nullptr : result;
+  return localtime_s(result, timep) ? nullptr : result;
 #else
-    return localtime_r(timep, result);
+  return localtime_r(timep, result);
 #endif
 }
 
@@ -208,8 +208,8 @@ time_zone::absolute_lookup TimeZoneLibC::BreakTime(
   }
 
   const year_t year = tmp->tm_year + year_t{1900};
-  al.cs = civil_second(year, tmp->tm_mon + 1, tmp->tm_mday,
-                       tmp->tm_hour, tmp->tm_min, tmp->tm_sec);
+  al.cs = civil_second(year, tmp->tm_mon + 1, tmp->tm_mday, tmp->tm_hour,
+                       tmp->tm_min, tmp->tm_sec);
   al.offset = static_cast<int>(tm_gmtoff(*tmp));
   al.abbr = local_ ? tm_zone(*tmp) : "UTC";  // as expected by cctz
   al.is_dst = tmp->tm_isdst > 0;
@@ -304,4 +304,5 @@ std::string TimeZoneLibC::Description() const {
 
 }  // namespace cctz
 }  // namespace time_internal
+ABSL_NAMESPACE_END
 }  // namespace absl