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_UCHAR_H 11#define _LIBCPP_UCHAR_H 12 13/* 14 uchar.h synopsis // since C++11 15 16Macros: 17 18 __STDC_UTF_16__ 19 __STDC_UTF_32__ 20 21Types: 22 23 mbstate_t 24 size_t 25 26size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps); // since C++20 27size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps); // since C++20 28size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps); 29size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps); 30size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps); 31size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps); 32 33*/ 34 35#include <__config> 36 37#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 38# pragma GCC system_header 39#endif 40 41#if !defined(_LIBCPP_CXX03_LANG) 42 43// Some platforms don't implement <uchar.h> and we don't want to give a hard 44// error on those platforms. When the platform doesn't provide <uchar.h>, at 45// least include <stddef.h> so we get the declaration for size_t. 46#if __has_include_next(<uchar.h>) 47# include_next <uchar.h> 48#else 49# include <stddef.h> 50#endif 51 52#endif // _LIBCPP_CXX03_LANG 53 54#endif // _LIBCPP_UCHAR_H 55