|  | // -*- C++ -*- | 
|  | //===----------------------------------------------------------------------===// | 
|  | // | 
|  | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
|  | // See https://llvm.org/LICENSE.txt for license information. | 
|  | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef _LIBCPP_CTIME | 
|  | #define _LIBCPP_CTIME | 
|  |  | 
|  | /* | 
|  | ctime synopsis | 
|  |  | 
|  | Macros: | 
|  |  | 
|  | NULL | 
|  | CLOCKS_PER_SEC | 
|  | TIME_UTC // C++17 | 
|  |  | 
|  | namespace std | 
|  | { | 
|  |  | 
|  | Types: | 
|  |  | 
|  | clock_t | 
|  | size_t | 
|  | time_t | 
|  | tm | 
|  | timespec // C++17 | 
|  |  | 
|  | clock_t clock(); | 
|  | double difftime(time_t time1, time_t time0); | 
|  | time_t mktime(tm* timeptr); | 
|  | time_t time(time_t* timer); | 
|  | char* asctime(const tm* timeptr); | 
|  | char* ctime(const time_t* timer); | 
|  | tm*    gmtime(const time_t* timer); | 
|  | tm* localtime(const time_t* timer); | 
|  | size_t strftime(char* restrict s, size_t maxsize, const char* restrict format, | 
|  | const tm* restrict timeptr); | 
|  | int timespec_get( struct timespec *ts, int base); // C++17 | 
|  | }  // std | 
|  |  | 
|  | */ | 
|  |  | 
|  | #include <__assert> // all public C++ headers provide the assertion handler | 
|  | #include <__config> | 
|  |  | 
|  | // <time.h> is not provided by libc++ | 
|  | #if __has_include(<time.h>) | 
|  | #  include <time.h> | 
|  | #  ifdef _LIBCPP_TIME_H | 
|  | #    error "If libc++ starts defining <time.h>, the __has_include check should move to libc++'s <time.h>" | 
|  | #  endif | 
|  | #endif | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
|  | #  pragma GCC system_header | 
|  | #endif | 
|  |  | 
|  | _LIBCPP_BEGIN_NAMESPACE_STD | 
|  |  | 
|  | using ::clock_t _LIBCPP_USING_IF_EXISTS; | 
|  | using ::size_t _LIBCPP_USING_IF_EXISTS; | 
|  | using ::time_t _LIBCPP_USING_IF_EXISTS; | 
|  | using ::tm _LIBCPP_USING_IF_EXISTS; | 
|  | #if _LIBCPP_STD_VER >= 17 | 
|  | using ::timespec _LIBCPP_USING_IF_EXISTS; | 
|  | #endif | 
|  | using ::clock _LIBCPP_USING_IF_EXISTS; | 
|  | using ::difftime _LIBCPP_USING_IF_EXISTS; | 
|  | using ::mktime _LIBCPP_USING_IF_EXISTS; | 
|  | using ::time _LIBCPP_USING_IF_EXISTS; | 
|  | using ::asctime _LIBCPP_USING_IF_EXISTS; | 
|  | using ::ctime _LIBCPP_USING_IF_EXISTS; | 
|  | using ::gmtime _LIBCPP_USING_IF_EXISTS; | 
|  | using ::localtime _LIBCPP_USING_IF_EXISTS; | 
|  | using ::strftime _LIBCPP_USING_IF_EXISTS; | 
|  | #if _LIBCPP_STD_VER >= 17 | 
|  | using ::timespec_get _LIBCPP_USING_IF_EXISTS; | 
|  | #endif | 
|  |  | 
|  | _LIBCPP_END_NAMESPACE_STD | 
|  |  | 
|  | #endif // _LIBCPP_CTIME |