2 //===----------------------------------------------------------------------===//
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
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_CUCHAR
11 #define _LIBCPP_CUCHAR
14 cuchar synopsis // since C++11
28 size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps); // since C++20
29 size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps); // since C++20
30 size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);
31 size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps);
32 size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps);
33 size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps);
39 #include <__cxx03/__config>
41 #include <__cxx03/uchar.h>
43 #ifndef _LIBCPP_UCHAR_H
44 # error <cuchar> tried including <uchar.h> but didn't find libc++'s <uchar.h> header. \
45 This usually means that your header search paths are not configured properly. \
46 The header search paths should contain the C++ Standard Library headers before \
47 any C Standard Library, and you are probably using compiler flags that make that \
51 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
52 # pragma GCC system_header
55 _LIBCPP_BEGIN_NAMESPACE_STD
57 #if !defined(_LIBCPP_CXX03_LANG)
59 using ::mbstate_t _LIBCPP_USING_IF_EXISTS;
60 using ::size_t _LIBCPP_USING_IF_EXISTS;
62 # if !defined(_LIBCPP_HAS_NO_C8RTOMB_MBRTOC8)
63 using ::mbrtoc8 _LIBCPP_USING_IF_EXISTS;
64 using ::c8rtomb _LIBCPP_USING_IF_EXISTS;
66 using ::mbrtoc16 _LIBCPP_USING_IF_EXISTS;
67 using ::c16rtomb _LIBCPP_USING_IF_EXISTS;
68 using ::mbrtoc32 _LIBCPP_USING_IF_EXISTS;
69 using ::c32rtomb _LIBCPP_USING_IF_EXISTS;
71 #endif // _LIBCPP_CXX03_LANG
73 _LIBCPP_END_NAMESPACE_STD
75 #endif // _LIBCPP_CUCHAR