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#if defined(__need_wint_t) || defined(__need_mbstate_t) 11 12# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 13# pragma GCC system_header 14# endif 15 16# include_next <wchar.h> 17 18#elif !defined(_LIBCPP_WCHAR_H) 19# define _LIBCPP_WCHAR_H 20 21/* 22 wchar.h synopsis 23 24Macros: 25 26 NULL 27 WCHAR_MAX 28 WCHAR_MIN 29 WEOF 30 31Types: 32 33 mbstate_t 34 size_t 35 tm 36 wint_t 37 38int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...); 39int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...); 40int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...); 41int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...); 42int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); 43int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); // C99 44int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg); 45int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg); // C99 46int vwprintf(const wchar_t* restrict format, va_list arg); 47int vwscanf(const wchar_t* restrict format, va_list arg); // C99 48int wprintf(const wchar_t* restrict format, ...); 49int wscanf(const wchar_t* restrict format, ...); 50wint_t fgetwc(FILE* stream); 51wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream); 52wint_t fputwc(wchar_t c, FILE* stream); 53int fputws(const wchar_t* restrict s, FILE* restrict stream); 54int fwide(FILE* stream, int mode); 55wint_t getwc(FILE* stream); 56wint_t getwchar(); 57wint_t putwc(wchar_t c, FILE* stream); 58wint_t putwchar(wchar_t c); 59wint_t ungetwc(wint_t c, FILE* stream); 60double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr); 61float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99 62long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99 63long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); 64long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99 65unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); 66unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99 67wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2); 68wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 69wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2); 70wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 71int wcscmp(const wchar_t* s1, const wchar_t* s2); 72int wcscoll(const wchar_t* s1, const wchar_t* s2); 73int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n); 74size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 75const wchar_t* wcschr(const wchar_t* s, wchar_t c); 76 wchar_t* wcschr( wchar_t* s, wchar_t c); 77size_t wcscspn(const wchar_t* s1, const wchar_t* s2); 78size_t wcslen(const wchar_t* s); 79const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2); 80 wchar_t* wcspbrk( wchar_t* s1, const wchar_t* s2); 81const wchar_t* wcsrchr(const wchar_t* s, wchar_t c); 82 wchar_t* wcsrchr( wchar_t* s, wchar_t c); 83size_t wcsspn(const wchar_t* s1, const wchar_t* s2); 84const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2); 85 wchar_t* wcsstr( wchar_t* s1, const wchar_t* s2); 86wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr); 87const wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n); 88 wchar_t* wmemchr( wchar_t* s, wchar_t c, size_t n); 89int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 90wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 91wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n); 92wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n); 93size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format, 94 const tm* restrict timeptr); 95wint_t btowc(int c); 96int wctob(wint_t c); 97int mbsinit(const mbstate_t* ps); 98size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps); 99size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps); 100size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps); 101size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len, 102 mbstate_t* restrict ps); 103size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len, 104 mbstate_t* restrict ps); 105 106*/ 107 108# include <__config> 109# include <stddef.h> 110 111# if defined(_LIBCPP_HAS_NO_WIDE_CHARACTERS) 112# error \ 113 "The <wchar.h> header is not supported since libc++ has been configured with LIBCXX_ENABLE_WIDE_CHARACTERS disabled" 114# endif 115 116# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 117# pragma GCC system_header 118# endif 119 120// We define this here to support older versions of glibc <wchar.h> that do 121// not define this for clang. 122# ifdef __cplusplus 123# define __CORRECT_ISO_CPP_WCHAR_H_PROTO 124# endif 125 126# if __has_include_next(<wchar.h>) 127# include_next <wchar.h> 128# else 129# include <__mbstate_t.h> // make sure we have mbstate_t regardless of the existence of <wchar.h> 130# endif 131 132// Determine whether we have const-correct overloads for wcschr and friends. 133# if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_) 134# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1 135# elif defined(__GLIBC_PREREQ) 136# if __GLIBC_PREREQ(2, 10) 137# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1 138# endif 139# elif defined(_LIBCPP_MSVCRT) 140# if defined(_CRT_CONST_CORRECT_OVERLOADS) 141# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1 142# endif 143# endif 144 145# if defined(__cplusplus) && !defined(_LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD) 146extern "C++" { 147inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcschr(const wchar_t* __s, wchar_t __c) { 148 return (wchar_t*)wcschr(__s, __c); 149} 150inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) { 151 return __libcpp_wcschr(__s, __c); 152} 153inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcschr(wchar_t* __s, wchar_t __c) { 154 return __libcpp_wcschr(__s, __c); 155} 156 157inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcspbrk(const wchar_t* __s1, const wchar_t* __s2) { 158 return (wchar_t*)wcspbrk(__s1, __s2); 159} 160inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* 161wcspbrk(const wchar_t* __s1, const wchar_t* __s2) { 162 return __libcpp_wcspbrk(__s1, __s2); 163} 164inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcspbrk(wchar_t* __s1, const wchar_t* __s2) { 165 return __libcpp_wcspbrk(__s1, __s2); 166} 167 168inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcsrchr(const wchar_t* __s, wchar_t __c) { 169 return (wchar_t*)wcsrchr(__s, __c); 170} 171inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) { 172 return __libcpp_wcsrchr(__s, __c); 173} 174inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcsrchr(wchar_t* __s, wchar_t __c) { 175 return __libcpp_wcsrchr(__s, __c); 176} 177 178inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcsstr(const wchar_t* __s1, const wchar_t* __s2) { 179 return (wchar_t*)wcsstr(__s1, __s2); 180} 181inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* 182wcsstr(const wchar_t* __s1, const wchar_t* __s2) { 183 return __libcpp_wcsstr(__s1, __s2); 184} 185inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcsstr(wchar_t* __s1, const wchar_t* __s2) { 186 return __libcpp_wcsstr(__s1, __s2); 187} 188 189inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) { 190 return (wchar_t*)wmemchr(__s, __c, __n); 191} 192inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* 193wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) { 194 return __libcpp_wmemchr(__s, __c, __n); 195} 196inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wmemchr(wchar_t* __s, wchar_t __c, size_t __n) { 197 return __libcpp_wmemchr(__s, __c, __n); 198} 199} 200# endif 201 202# if defined(__cplusplus) && (defined(_LIBCPP_MSVCRT_LIKE) || defined(__MVS__)) 203extern "C" { 204size_t mbsnrtowcs( 205 wchar_t* __restrict __dst, const char** __restrict __src, size_t __nmc, size_t __len, mbstate_t* __restrict __ps); 206size_t wcsnrtombs( 207 char* __restrict __dst, const wchar_t** __restrict __src, size_t __nwc, size_t __len, mbstate_t* __restrict __ps); 208} // extern "C" 209# endif // __cplusplus && (_LIBCPP_MSVCRT || __MVS__) 210 211#endif // _LIBCPP_WCHAR_H 212