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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-exception7//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_header14# endif15 16# include_next <wchar.h>17 18#elif !defined(_LIBCPP___CXX03_WCHAR_H)19# define _LIBCPP___CXX03_WCHAR_H20 21/*22 wchar.h synopsis23 24Macros:25 26 NULL27 WCHAR_MAX28 WCHAR_MIN29 WEOF30 31Types:32 33 mbstate_t34 size_t35 tm36 wint_t37 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); // C9944int 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); // C9946int vwprintf(const wchar_t* restrict format, va_list arg);47int vwscanf(const wchar_t* restrict format, va_list arg); // C9948int 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); // C9962long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr); // C9963long 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); // C9965unsigned 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); // C9967wchar_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 <__cxx03/__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# endif115 116# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)117# pragma GCC system_header118# endif119 120// We define this here to support older versions of glibc <wchar.h> that do121// not define this for clang.122# ifdef __cplusplus123# define __CORRECT_ISO_CPP_WCHAR_H_PROTO124# endif125 126# if __has_include_next(<wchar.h>)127# include_next <wchar.h>128# else129# include <__cxx03/__mbstate_t.h> // make sure we have mbstate_t regardless of the existence of <wchar.h>130# endif131 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 1135# elif defined(__GLIBC_PREREQ)136# if __GLIBC_PREREQ(2, 10)137# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1138# endif139# elif defined(_LIBCPP_MSVCRT)140# if defined(_CRT_CONST_CORRECT_OVERLOADS)141# define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1142# endif143# endif144 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# endif201 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___CXX03_WCHAR_H212