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author | orivej <orivej@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:01 +0300 |
commit | 2d37894b1b037cf24231090eda8589bbb44fb6fc (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/cctz/src/time_zone_lookup.cc | |
parent | 718c552901d703c502ccbefdfc3c9028d608b947 (diff) | |
download | ydb-2d37894b1b037cf24231090eda8589bbb44fb6fc.tar.gz |
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cctz/src/time_zone_lookup.cc')
-rw-r--r-- | contrib/libs/cctz/src/time_zone_lookup.cc | 192 |
1 files changed, 96 insertions, 96 deletions
diff --git a/contrib/libs/cctz/src/time_zone_lookup.cc b/contrib/libs/cctz/src/time_zone_lookup.cc index b1c7f922d1..92eb2ae763 100644 --- a/contrib/libs/cctz/src/time_zone_lookup.cc +++ b/contrib/libs/cctz/src/time_zone_lookup.cc @@ -4,7 +4,7 @@ // 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 +// 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, @@ -12,20 +12,20 @@ // See the License for the specific language governing permissions and // limitations under the License. -#include "cctz/time_zone.h" - -#if defined(__ANDROID__) -#include <sys/system_properties.h> -#if defined(__ANDROID_API__) && __ANDROID_API__ >= 21 -#include <dlfcn.h> -#endif -#endif - -#if defined(__APPLE__) -#include <CoreFoundation/CFTimeZone.h> -#include <vector> -#endif - +#include "cctz/time_zone.h" + +#if defined(__ANDROID__) +#include <sys/system_properties.h> +#if defined(__ANDROID_API__) && __ANDROID_API__ >= 21 +#include <dlfcn.h> +#endif +#endif + +#if defined(__APPLE__) +#include <CoreFoundation/CFTimeZone.h> +#include <vector> +#endif + #include <cstdlib> #include <cstring> #include <string> @@ -35,75 +35,75 @@ namespace cctz { -#if defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21 -namespace { -// Android 'L' removes __system_property_get() from the NDK, however -// it is still a hidden symbol in libc so we use dlsym() to access it. -// See Chromium's base/sys_info_android.cc for a similar example. - -using property_get_func = int (*)(const char*, char*); - -property_get_func LoadSystemPropertyGet() { - int flag = RTLD_LAZY | RTLD_GLOBAL; -#if defined(RTLD_NOLOAD) - flag |= RTLD_NOLOAD; // libc.so should already be resident -#endif - if (void* handle = dlopen("libc.so", flag)) { - void* sym = dlsym(handle, "__system_property_get"); - dlclose(handle); - return reinterpret_cast<property_get_func>(sym); - } - return nullptr; -} - -int __system_property_get(const char* name, char* value) { - static property_get_func system_property_get = LoadSystemPropertyGet(); - return system_property_get ? system_property_get(name, value) : -1; -} - -} // namespace -#endif - +#if defined(__ANDROID__) && defined(__ANDROID_API__) && __ANDROID_API__ >= 21 +namespace { +// Android 'L' removes __system_property_get() from the NDK, however +// it is still a hidden symbol in libc so we use dlsym() to access it. +// See Chromium's base/sys_info_android.cc for a similar example. + +using property_get_func = int (*)(const char*, char*); + +property_get_func LoadSystemPropertyGet() { + int flag = RTLD_LAZY | RTLD_GLOBAL; +#if defined(RTLD_NOLOAD) + flag |= RTLD_NOLOAD; // libc.so should already be resident +#endif + if (void* handle = dlopen("libc.so", flag)) { + void* sym = dlsym(handle, "__system_property_get"); + dlclose(handle); + return reinterpret_cast<property_get_func>(sym); + } + return nullptr; +} + +int __system_property_get(const char* name, char* value) { + static property_get_func system_property_get = LoadSystemPropertyGet(); + return system_property_get ? system_property_get(name, value) : -1; +} + +} // namespace +#endif + std::string time_zone::name() const { - return effective_impl().Name(); + return effective_impl().Name(); } time_zone::absolute_lookup time_zone::lookup( - const time_point<seconds>& tp) const { - return effective_impl().BreakTime(tp); + const time_point<seconds>& tp) const { + return effective_impl().BreakTime(tp); } time_zone::civil_lookup time_zone::lookup(const civil_second& cs) const { - return effective_impl().MakeTime(cs); + return effective_impl().MakeTime(cs); +} + +bool time_zone::next_transition(const time_point<seconds>& tp, + civil_transition* trans) const { + return effective_impl().NextTransition(tp, trans); +} + +bool time_zone::prev_transition(const time_point<seconds>& tp, + civil_transition* trans) const { + return effective_impl().PrevTransition(tp, trans); +} + +std::string time_zone::version() const { + return effective_impl().Version(); } -bool time_zone::next_transition(const time_point<seconds>& tp, - civil_transition* trans) const { - return effective_impl().NextTransition(tp, trans); +std::string time_zone::description() const { + return effective_impl().Description(); +} + +const time_zone::Impl& time_zone::effective_impl() const { + if (impl_ == nullptr) { + // Dereferencing an implicit-UTC time_zone is expected to be + // rare, so we don't mind paying a small synchronization cost. + return *time_zone::Impl::UTC().impl_; + } + return *impl_; } -bool time_zone::prev_transition(const time_point<seconds>& tp, - civil_transition* trans) const { - return effective_impl().PrevTransition(tp, trans); -} - -std::string time_zone::version() const { - return effective_impl().Version(); -} - -std::string time_zone::description() const { - return effective_impl().Description(); -} - -const time_zone::Impl& time_zone::effective_impl() const { - if (impl_ == nullptr) { - // Dereferencing an implicit-UTC time_zone is expected to be - // rare, so we don't mind paying a small synchronization cost. - return *time_zone::Impl::UTC().impl_; - } - return *impl_; -} - bool load_time_zone(const std::string& name, time_zone* tz) { return time_zone::Impl::LoadTimeZone(name, tz); } @@ -112,7 +112,7 @@ time_zone utc_time_zone() { return time_zone::Impl::UTC(); // avoid name lookup } -time_zone fixed_time_zone(const seconds& offset) { +time_zone fixed_time_zone(const seconds& offset) { time_zone tz; load_time_zone(FixedOffsetToName(offset), &tz); return tz; @@ -120,25 +120,25 @@ time_zone fixed_time_zone(const seconds& offset) { time_zone local_time_zone() { const char* zone = ":localtime"; -#if defined(__ANDROID__) - char sysprop[PROP_VALUE_MAX]; - if (__system_property_get("persist.sys.timezone", sysprop) > 0) { - zone = sysprop; - } -#endif -#if defined(__APPLE__) - std::vector<char> buffer; - CFTimeZoneRef tz_default = CFTimeZoneCopyDefault(); - if (CFStringRef tz_name = CFTimeZoneGetName(tz_default)) { - CFStringEncoding encoding = kCFStringEncodingUTF8; - CFIndex length = CFStringGetLength(tz_name); - buffer.resize(CFStringGetMaximumSizeForEncoding(length, encoding) + 1); - if (CFStringGetCString(tz_name, &buffer[0], buffer.size(), encoding)) { - zone = &buffer[0]; - } - } - CFRelease(tz_default); -#endif +#if defined(__ANDROID__) + char sysprop[PROP_VALUE_MAX]; + if (__system_property_get("persist.sys.timezone", sysprop) > 0) { + zone = sysprop; + } +#endif +#if defined(__APPLE__) + std::vector<char> buffer; + CFTimeZoneRef tz_default = CFTimeZoneCopyDefault(); + if (CFStringRef tz_name = CFTimeZoneGetName(tz_default)) { + CFStringEncoding encoding = kCFStringEncodingUTF8; + CFIndex length = CFStringGetLength(tz_name); + buffer.resize(CFStringGetMaximumSizeForEncoding(length, encoding) + 1); + if (CFStringGetCString(tz_name, &buffer[0], buffer.size(), encoding)) { + zone = &buffer[0]; + } + } + CFRelease(tz_default); +#endif // Allow ${TZ} to override to default zone. char* tz_env = nullptr; @@ -174,9 +174,9 @@ time_zone local_time_zone() { time_zone tz; load_time_zone(name, &tz); // Falls back to UTC. - // TODO: Follow the RFC3339 "Unknown Local Offset Convention" and - // arrange for %z to generate "-0000" when we don't know the local - // offset because the load_time_zone() failed and we're using UTC. + // TODO: Follow the RFC3339 "Unknown Local Offset Convention" and + // arrange for %z to generate "-0000" when we don't know the local + // offset because the load_time_zone() failed and we're using UTC. return tz; } |