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 24 Macros: 25 26 NULL 27 WCHAR_MAX 28 WCHAR_MIN 29 WEOF 30 31 Types: 32 33 mbstate_t 34 size_t 35 tm 36 wint_t 37 38 int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...); 39 int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...); 40 int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...); 41 int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...); 42 int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); 43 int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg); // C99 44 int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg); 45 int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg); // C99 46 int vwprintf(const wchar_t* restrict format, va_list arg); 47 int vwscanf(const wchar_t* restrict format, va_list arg); // C99 48 int wprintf(const wchar_t* restrict format, ...); 49 int wscanf(const wchar_t* restrict format, ...); 50 wint_t fgetwc(FILE* stream); 51 wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream); 52 wint_t fputwc(wchar_t c, FILE* stream); 53 int fputws(const wchar_t* restrict s, FILE* restrict stream); 54 int fwide(FILE* stream, int mode); 55 wint_t getwc(FILE* stream); 56 wint_t getwchar(); 57 wint_t putwc(wchar_t c, FILE* stream); 58 wint_t putwchar(wchar_t c); 59 wint_t ungetwc(wint_t c, FILE* stream); 60 double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr); 61 float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99 62 long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C99 63 long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); 64 long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99 65 unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); 66 unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base); // C99 67 wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2); 68 wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 69 wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2); 70 wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 71 int wcscmp(const wchar_t* s1, const wchar_t* s2); 72 int wcscoll(const wchar_t* s1, const wchar_t* s2); 73 int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n); 74 size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 75 const wchar_t* wcschr(const wchar_t* s, wchar_t c); 76 wchar_t* wcschr( wchar_t* s, wchar_t c); 77 size_t wcscspn(const wchar_t* s1, const wchar_t* s2); 78 size_t wcslen(const wchar_t* s); 79 const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2); 80 wchar_t* wcspbrk( wchar_t* s1, const wchar_t* s2); 81 const wchar_t* wcsrchr(const wchar_t* s, wchar_t c); 82 wchar_t* wcsrchr( wchar_t* s, wchar_t c); 83 size_t wcsspn(const wchar_t* s1, const wchar_t* s2); 84 const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2); 85 wchar_t* wcsstr( wchar_t* s1, const wchar_t* s2); 86 wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr); 87 const 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); 89 int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 90 wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n); 91 wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n); 92 wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n); 93 size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format, 94 const tm* restrict timeptr); 95 wint_t btowc(int c); 96 int wctob(wint_t c); 97 int mbsinit(const mbstate_t* ps); 98 size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps); 99 size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps); 100 size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps); 101 size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len, 102 mbstate_t* restrict ps); 103 size_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) 146 extern "C++" { 147 inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcschr(const wchar_t* __s, wchar_t __c) { 148 return (wchar_t*)wcschr(__s, __c); 149 } 150 inline _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 } 153 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcschr(wchar_t* __s, wchar_t __c) { 154 return __libcpp_wcschr(__s, __c); 155 } 156 157 inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcspbrk(const wchar_t* __s1, const wchar_t* __s2) { 158 return (wchar_t*)wcspbrk(__s1, __s2); 159 } 160 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* 161 wcspbrk(const wchar_t* __s1, const wchar_t* __s2) { 162 return __libcpp_wcspbrk(__s1, __s2); 163 } 164 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcspbrk(wchar_t* __s1, const wchar_t* __s2) { 165 return __libcpp_wcspbrk(__s1, __s2); 166 } 167 168 inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcsrchr(const wchar_t* __s, wchar_t __c) { 169 return (wchar_t*)wcsrchr(__s, __c); 170 } 171 inline _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 } 174 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcsrchr(wchar_t* __s, wchar_t __c) { 175 return __libcpp_wcsrchr(__s, __c); 176 } 177 178 inline _LIBCPP_HIDE_FROM_ABI wchar_t* __libcpp_wcsstr(const wchar_t* __s1, const wchar_t* __s2) { 179 return (wchar_t*)wcsstr(__s1, __s2); 180 } 181 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* 182 wcsstr(const wchar_t* __s1, const wchar_t* __s2) { 183 return __libcpp_wcsstr(__s1, __s2); 184 } 185 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD wchar_t* wcsstr(wchar_t* __s1, const wchar_t* __s2) { 186 return __libcpp_wcsstr(__s1, __s2); 187 } 188 189 inline _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 } 192 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_PREFERRED_OVERLOAD const wchar_t* 193 wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) { 194 return __libcpp_wmemchr(__s, __c, __n); 195 } 196 inline _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__)) 203 extern "C" { 204 size_t mbsnrtowcs( 205 wchar_t* __restrict __dst, const char** __restrict __src, size_t __nmc, size_t __len, mbstate_t* __restrict __ps); 206 size_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