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_CUCHAR
11#define _LIBCPP_CUCHAR
12
13/*
14    cuchar synopsis // since C++11
15
16Macros:
17
18    __STDC_UTF_16__
19    __STDC_UTF_32__
20
21namespace std {
22
23Types:
24
25  mbstate_t
26  size_t
27
28size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps);   // since C++20
29size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps);                     // since C++20
30size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);
31size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps);
32size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps);
33size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps);
34
35} // std
36
37*/
38
39#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
40#  include <__cxx03/cuchar>
41#else
42#  include <__config>
43#  include <__cstddef/size_t.h>
44
45#  include <uchar.h>
46
47#  ifndef _LIBCPP_UCHAR_H
48#   error <cuchar> tried including <uchar.h> but didn't find libc++'s <uchar.h> header. \
49          This usually means that your header search paths are not configured properly. \
50          The header search paths should contain the C++ Standard Library headers before \
51          any C Standard Library, and you are probably using compiler flags that make that \
52          not be the case.
53#  endif
54
55#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
56#    pragma GCC system_header
57#  endif
58
59_LIBCPP_BEGIN_NAMESPACE_STD
60
61#  if !defined(_LIBCPP_CXX03_LANG)
62
63using ::mbstate_t _LIBCPP_USING_IF_EXISTS;
64
65#    if _LIBCPP_HAS_C8RTOMB_MBRTOC8
66using ::mbrtoc8 _LIBCPP_USING_IF_EXISTS;
67using ::c8rtomb _LIBCPP_USING_IF_EXISTS;
68#    endif
69using ::mbrtoc16 _LIBCPP_USING_IF_EXISTS;
70using ::c16rtomb _LIBCPP_USING_IF_EXISTS;
71using ::mbrtoc32 _LIBCPP_USING_IF_EXISTS;
72using ::c32rtomb _LIBCPP_USING_IF_EXISTS;
73
74#  endif // _LIBCPP_CXX03_LANG
75
76_LIBCPP_END_NAMESPACE_STD
77
78#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
79
80#endif // _LIBCPP_CUCHAR