// -*- 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

*/

#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
#  include <__cxx03/ctime>
#else
#  include <__config>
#  include <__cstddef/size_t.h>

// <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 ::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 // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)

#endif // _LIBCPP_CTIME
