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 "The <wchar.h> header is not supported since libc++ has been configured with LIBCXX_ENABLE_WIDE_CHARACTERS disabled"
113#endif
114
115#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
116#  pragma GCC system_header
117#endif
118
119#ifdef __cplusplus
120#define __CORRECT_ISO_CPP_WCHAR_H_PROTO
121#endif
122
123#  if __has_include_next(<wchar.h>)
124#    include_next <wchar.h>
125#  endif
126
127// Determine whether we have const-correct overloads for wcschr and friends.
128#if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
129#  define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
130#elif defined(__GLIBC_PREREQ)
131#  if __GLIBC_PREREQ(2, 10)
132#    define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
133#  endif
134#elif defined(_LIBCPP_MSVCRT)
135#  if defined(_CRT_CONST_CORRECT_OVERLOADS)
136#    define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
137#  endif
138#endif
139
140#if defined(__cplusplus) && !defined(_LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD)
141extern "C++" {
142inline _LIBCPP_INLINE_VISIBILITY
143wchar_t* __libcpp_wcschr(const wchar_t* __s, wchar_t __c) {return (wchar_t*)wcschr(__s, __c);}
144inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
145const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return __libcpp_wcschr(__s, __c);}
146inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
147      wchar_t* wcschr(      wchar_t* __s, wchar_t __c) {return __libcpp_wcschr(__s, __c);}
148
149inline _LIBCPP_INLINE_VISIBILITY
150wchar_t* __libcpp_wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return (wchar_t*)wcspbrk(__s1, __s2);}
151inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
152const wchar_t* wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcspbrk(__s1, __s2);}
153inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
154      wchar_t* wcspbrk(      wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcspbrk(__s1, __s2);}
155
156inline _LIBCPP_INLINE_VISIBILITY
157wchar_t* __libcpp_wcsrchr(const wchar_t* __s, wchar_t __c) {return (wchar_t*)wcsrchr(__s, __c);}
158inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
159const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {return __libcpp_wcsrchr(__s, __c);}
160inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
161      wchar_t* wcsrchr(      wchar_t* __s, wchar_t __c) {return __libcpp_wcsrchr(__s, __c);}
162
163inline _LIBCPP_INLINE_VISIBILITY
164wchar_t* __libcpp_wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return (wchar_t*)wcsstr(__s1, __s2);}
165inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
166const wchar_t* wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcsstr(__s1, __s2);}
167inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
168      wchar_t* wcsstr(      wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcsstr(__s1, __s2);}
169
170inline _LIBCPP_INLINE_VISIBILITY
171wchar_t* __libcpp_wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return (wchar_t*)wmemchr(__s, __c, __n);}
172inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
173const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return __libcpp_wmemchr(__s, __c, __n);}
174inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
175      wchar_t* wmemchr(      wchar_t* __s, wchar_t __c, size_t __n) {return __libcpp_wmemchr(__s, __c, __n);}
176}
177#endif
178
179#if defined(__cplusplus) && (defined(_LIBCPP_MSVCRT_LIKE) || defined(__MVS__))
180extern "C" {
181size_t mbsnrtowcs(wchar_t *__restrict __dst, const char **__restrict __src,
182                  size_t __nmc, size_t __len, mbstate_t *__restrict __ps);
183size_t wcsnrtombs(char *__restrict __dst, const wchar_t **__restrict __src,
184                  size_t __nwc, size_t __len, mbstate_t *__restrict __ps);
185}  // extern "C"
186#endif  // __cplusplus && (_LIBCPP_MSVCRT || __MVS__)
187
188#endif // _LIBCPP_WCHAR_H
189