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| 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 | #if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) |
| 36 | # include <__cxx03/uchar.h> |
| 37 | #else |
| 38 | # include <__config> |
| 39 | |
| 40 | # if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 41 | # pragma GCC system_header |
| 42 | # endif |
| 43 | |
| 44 | # if !defined(_LIBCPP_CXX03_LANG) |
| 45 | |
| 46 | // Some platforms don't implement <uchar.h> and we don't want to give a hard |
| 47 | // error on those platforms. When the platform doesn't provide <uchar.h>, at |
| 48 | // least include <stddef.h> so we get the declaration for size_t, and try to |
| 49 | // get the declaration of mbstate_t too. |
| 50 | # if __has_include_next(<uchar.h>) |
| 51 | # include_next <uchar.h> |
| 52 | # else |
| 53 | # include <__mbstate_t.h> |
| 54 | # include <stddef.h> |
| 55 | # endif |
| 56 | |
| 57 | # endif // _LIBCPP_CXX03_LANG |
| 58 | #endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) |
| 59 | |
| 60 | #endif // _LIBCPP_UCHAR_H |
| 61 |
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