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 16 Macros: 17 18 __STDC_UTF_16__ 19 __STDC_UTF_32__ 20 21 Types: 22 23 mbstate_t 24 size_t 25 26 size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps); // since C++20 27 size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps); // since C++20 28 size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps); 29 size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps); 30 size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps); 31 size_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, and try to 46 // get the declaration of mbstate_t too. 47 # if __has_include_next(<uchar.h>) 48 # include_next <uchar.h> 49 # else 50 # include <__mbstate_t.h> 51 # include <stddef.h> 52 # endif 53 54 #endif // _LIBCPP_CXX03_LANG 55 56 #endif // _LIBCPP_UCHAR_H 57