1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_CTIME
11#define _LIBCPP_CTIME
12
13/*
14 ctime synopsis
15
16Macros:
17
18 NULL
19 CLOCKS_PER_SEC
20 TIME_UTC // C++17
21
22namespace std
23{
24
25Types:
26
27 clock_t
28 size_t
29 time_t
30 tm
31 timespec // C++17
32
33clock_t clock();
34double difftime(time_t time1, time_t time0);
35time_t mktime(tm* timeptr);
36time_t time(time_t* timer);
37char* asctime(const tm* timeptr);
38char* ctime(const time_t* timer);
39tm* gmtime(const time_t* timer);
40tm* localtime(const time_t* timer);
41size_t strftime(char* restrict s, size_t maxsize, const char* restrict format,
42 const tm* restrict timeptr);
43int timespec_get( struct timespec *ts, int base); // C++17
44} // std
45
46*/
47
48#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
49# include <__cxx03/ctime>
50#else
51# include <__config>
52# include <__cstddef/size_t.h>
53
54// <time.h> is not provided by libc++
55# if __has_include(<time.h>)
56# include <time.h>
57# ifdef _LIBCPP_TIME_H
58# error "If libc++ starts defining <time.h>, the __has_include check should move to libc++'s <time.h>"
59# endif
60# endif
61
62# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
63# pragma GCC system_header
64# endif
65
66_LIBCPP_BEGIN_NAMESPACE_STD
67
68using ::clock_t _LIBCPP_USING_IF_EXISTS;
69using ::time_t _LIBCPP_USING_IF_EXISTS;
70using ::tm _LIBCPP_USING_IF_EXISTS;
71# if _LIBCPP_STD_VER >= 17
72using ::timespec _LIBCPP_USING_IF_EXISTS;
73# endif
74using ::clock _LIBCPP_USING_IF_EXISTS;
75using ::difftime _LIBCPP_USING_IF_EXISTS;
76using ::mktime _LIBCPP_USING_IF_EXISTS;
77using ::time _LIBCPP_USING_IF_EXISTS;
78using ::asctime _LIBCPP_USING_IF_EXISTS;
79using ::ctime _LIBCPP_USING_IF_EXISTS;
80using ::gmtime _LIBCPP_USING_IF_EXISTS;
81using ::localtime _LIBCPP_USING_IF_EXISTS;
82using ::strftime _LIBCPP_USING_IF_EXISTS;
83# if _LIBCPP_STD_VER >= 17
84using ::timespec_get _LIBCPP_USING_IF_EXISTS;
85# endif
86
87_LIBCPP_END_NAMESPACE_STD
88
89#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
90
91#endif // _LIBCPP_CTIME
92