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1 // -*- C++ -*-
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2 //===----------------------------------------------------------------------===//
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3 //
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4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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5 // See https://llvm.org/LICENSE.txt for license information.
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6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #ifndef _LIBCPP_CUCHAR
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11 #define _LIBCPP_CUCHAR
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12
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13 /*
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14 cuchar synopsis // since C++11
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15
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16 Macros:
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17
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18 __STDC_UTF_16__
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19 __STDC_UTF_32__
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20
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21 namespace std {
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22
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23 Types:
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24
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25 mbstate_t
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26 size_t
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27
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28 size_t mbrtoc8(char8_t* pc8, const char* s, size_t n, mbstate_t* ps); // since C++20
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29 size_t c8rtomb(char* s, char8_t c8, mbstate_t* ps); // since C++20
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30 size_t mbrtoc16(char16_t* pc16, const char* s, size_t n, mbstate_t* ps);
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31 size_t c16rtomb(char* s, char16_t c16, mbstate_t* ps);
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32 size_t mbrtoc32(char32_t* pc32, const char* s, size_t n, mbstate_t* ps);
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33 size_t c32rtomb(char* s, char32_t c32, mbstate_t* ps);
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34
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35 } // std
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36
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37 */
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38
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39 #include <__assert> // all public C++ headers provide the assertion handler
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40 #include <__config>
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41
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42 #include <uchar.h>
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43
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44 #ifndef _LIBCPP_UCHAR_H
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45 # error <cuchar> tried including <uchar.h> but didn't find libc++'s <uchar.h> header. \
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46 This usually means that your header search paths are not configured properly. \
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47 The header search paths should contain the C++ Standard Library headers before \
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48 any C Standard Library, and you are probably using compiler flags that make that \
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49 not be the case.
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50 #endif
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51
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52 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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53 # pragma GCC system_header
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54 #endif
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55
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56 _LIBCPP_BEGIN_NAMESPACE_STD
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57
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58 #if !defined(_LIBCPP_CXX03_LANG)
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59
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60 using ::mbstate_t _LIBCPP_USING_IF_EXISTS;
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61 using ::size_t _LIBCPP_USING_IF_EXISTS;
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62
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63 # if !defined(_LIBCPP_HAS_NO_C8RTOMB_MBRTOC8)
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64 using ::mbrtoc8 _LIBCPP_USING_IF_EXISTS;
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65 using ::c8rtomb _LIBCPP_USING_IF_EXISTS;
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66 # endif
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67 using ::mbrtoc16 _LIBCPP_USING_IF_EXISTS;
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68 using ::c16rtomb _LIBCPP_USING_IF_EXISTS;
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69 using ::mbrtoc32 _LIBCPP_USING_IF_EXISTS;
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70 using ::c32rtomb _LIBCPP_USING_IF_EXISTS;
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71
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72 #endif // _LIBCPP_CXX03_LANG
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73
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74 _LIBCPP_END_NAMESPACE_STD
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75
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76 #endif // _LIBCPP_CUCHAR
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