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++" {
__libcpp_wcschr(const wchar_t * __s,wchar_t __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 }
wcschr(const wchar_t * __s,wchar_t __c)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 }
wcschr(wchar_t * __s,wchar_t __c)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
__libcpp_wcspbrk(const wchar_t * __s1,const wchar_t * __s2)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*
wcspbrk(const wchar_t * __s1,const wchar_t * __s2)161 wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {
162 return __libcpp_wcspbrk(__s1, __s2);
163 }
wcspbrk(wchar_t * __s1,const wchar_t * __s2)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
__libcpp_wcsrchr(const wchar_t * __s,wchar_t __c)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 }
wcsrchr(const wchar_t * __s,wchar_t __c)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 }
wcsrchr(wchar_t * __s,wchar_t __c)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
__libcpp_wcsstr(const wchar_t * __s1,const wchar_t * __s2)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*
wcsstr(const wchar_t * __s1,const wchar_t * __s2)182 wcsstr(const wchar_t* __s1, const wchar_t* __s2) {
183 return __libcpp_wcsstr(__s1, __s2);
184 }
wcsstr(wchar_t * __s1,const wchar_t * __s2)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
__libcpp_wmemchr(const wchar_t * __s,wchar_t __c,size_t __n)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*
wmemchr(const wchar_t * __s,wchar_t __c,size_t __n)193 wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {
194 return __libcpp_wmemchr(__s, __c, __n);
195 }
wmemchr(wchar_t * __s,wchar_t __c,size_t __n)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