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      1 // -*- C++ -*-
      2 //===--------------------------- wchar.h ----------------------------------===//
      3 //
      4 //                     The LLVM Compiler Infrastructure
      5 //
      6 // This file is dual licensed under the MIT and the University of Illinois Open
      7 // Source Licenses. See LICENSE.TXT for details.
      8 //
      9 //===----------------------------------------------------------------------===//
     10 
     11 #if defined(__need_wint_t) || defined(__need_mbstate_t)
     12 
     13 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
     14 #pragma GCC system_header
     15 #endif
     16 
     17 #include_next <wchar.h>
     18 
     19 #elif !defined(_LIBCPP_WCHAR_H)
     20 #define _LIBCPP_WCHAR_H
     21 
     22 /*
     23     wchar.h synopsis
     24 
     25 Macros:
     26 
     27     NULL
     28     WCHAR_MAX
     29     WCHAR_MIN
     30     WEOF
     31 
     32 Types:
     33 
     34     mbstate_t
     35     size_t
     36     tm
     37     wint_t
     38 
     39 int fwprintf(FILE* restrict stream, const wchar_t* restrict format, ...);
     40 int fwscanf(FILE* restrict stream, const wchar_t* restrict format, ...);
     41 int swprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, ...);
     42 int swscanf(const wchar_t* restrict s, const wchar_t* restrict format, ...);
     43 int vfwprintf(FILE* restrict stream, const wchar_t* restrict format, va_list arg);
     44 int vfwscanf(FILE* restrict stream, const wchar_t* restrict format, va_list arg);  // C99
     45 int vswprintf(wchar_t* restrict s, size_t n, const wchar_t* restrict format, va_list arg);
     46 int vswscanf(const wchar_t* restrict s, const wchar_t* restrict format, va_list arg);  // C99
     47 int vwprintf(const wchar_t* restrict format, va_list arg);
     48 int vwscanf(const wchar_t* restrict format, va_list arg);  // C99
     49 int wprintf(const wchar_t* restrict format, ...);
     50 int wscanf(const wchar_t* restrict format, ...);
     51 wint_t fgetwc(FILE* stream);
     52 wchar_t* fgetws(wchar_t* restrict s, int n, FILE* restrict stream);
     53 wint_t fputwc(wchar_t c, FILE* stream);
     54 int fputws(const wchar_t* restrict s, FILE* restrict stream);
     55 int fwide(FILE* stream, int mode);
     56 wint_t getwc(FILE* stream);
     57 wint_t getwchar();
     58 wint_t putwc(wchar_t c, FILE* stream);
     59 wint_t putwchar(wchar_t c);
     60 wint_t ungetwc(wint_t c, FILE* stream);
     61 double wcstod(const wchar_t* restrict nptr, wchar_t** restrict endptr);
     62 float wcstof(const wchar_t* restrict nptr, wchar_t** restrict endptr);         // C99
     63 long double wcstold(const wchar_t* restrict nptr, wchar_t** restrict endptr);  // C99
     64 long wcstol(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
     65 long long wcstoll(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);  // C99
     66 unsigned long wcstoul(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);
     67 unsigned long long wcstoull(const wchar_t* restrict nptr, wchar_t** restrict endptr, int base);  // C99
     68 wchar_t* wcscpy(wchar_t* restrict s1, const wchar_t* restrict s2);
     69 wchar_t* wcsncpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
     70 wchar_t* wcscat(wchar_t* restrict s1, const wchar_t* restrict s2);
     71 wchar_t* wcsncat(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
     72 int wcscmp(const wchar_t* s1, const wchar_t* s2);
     73 int wcscoll(const wchar_t* s1, const wchar_t* s2);
     74 int wcsncmp(const wchar_t* s1, const wchar_t* s2, size_t n);
     75 size_t wcsxfrm(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
     76 const wchar_t* wcschr(const wchar_t* s, wchar_t c);
     77       wchar_t* wcschr(      wchar_t* s, wchar_t c);
     78 size_t wcscspn(const wchar_t* s1, const wchar_t* s2);
     79 size_t wcslen(const wchar_t* s);
     80 const wchar_t* wcspbrk(const wchar_t* s1, const wchar_t* s2);
     81       wchar_t* wcspbrk(      wchar_t* s1, const wchar_t* s2);
     82 const wchar_t* wcsrchr(const wchar_t* s, wchar_t c);
     83       wchar_t* wcsrchr(      wchar_t* s, wchar_t c);
     84 size_t wcsspn(const wchar_t* s1, const wchar_t* s2);
     85 const wchar_t* wcsstr(const wchar_t* s1, const wchar_t* s2);
     86       wchar_t* wcsstr(      wchar_t* s1, const wchar_t* s2);
     87 wchar_t* wcstok(wchar_t* restrict s1, const wchar_t* restrict s2, wchar_t** restrict ptr);
     88 const wchar_t* wmemchr(const wchar_t* s, wchar_t c, size_t n);
     89       wchar_t* wmemchr(      wchar_t* s, wchar_t c, size_t n);
     90 int wmemcmp(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
     91 wchar_t* wmemcpy(wchar_t* restrict s1, const wchar_t* restrict s2, size_t n);
     92 wchar_t* wmemmove(wchar_t* s1, const wchar_t* s2, size_t n);
     93 wchar_t* wmemset(wchar_t* s, wchar_t c, size_t n);
     94 size_t wcsftime(wchar_t* restrict s, size_t maxsize, const wchar_t* restrict format,
     95                 const tm* restrict timeptr);
     96 wint_t btowc(int c);
     97 int wctob(wint_t c);
     98 int mbsinit(const mbstate_t* ps);
     99 size_t mbrlen(const char* restrict s, size_t n, mbstate_t* restrict ps);
    100 size_t mbrtowc(wchar_t* restrict pwc, const char* restrict s, size_t n, mbstate_t* restrict ps);
    101 size_t wcrtomb(char* restrict s, wchar_t wc, mbstate_t* restrict ps);
    102 size_t mbsrtowcs(wchar_t* restrict dst, const char** restrict src, size_t len,
    103                  mbstate_t* restrict ps);
    104 size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
    105                  mbstate_t* restrict ps);
    106 
    107 */
    108 
    109 #include <__config>
    110 
    111 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
    112 #pragma GCC system_header
    113 #endif
    114 
    115 #ifdef __cplusplus
    116 #define __CORRECT_ISO_CPP_WCHAR_H_PROTO
    117 #endif
    118 
    119 #include_next <wchar.h>
    120 
    121 // Determine whether we have const-correct overloads for wcschr and friends.
    122 #if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
    123 #  define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
    124 #elif defined(__GLIBC_PREREQ)
    125 #  if __GLIBC_PREREQ(2, 10)
    126 #    define _LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS 1
    127 #  endif
    128 #endif
    129 
    130 #if defined(__cplusplus) && !defined(_LIBCPP_WCHAR_H_HAS_CONST_OVERLOADS) && defined(_LIBCPP_PREFERRED_OVERLOAD)
    131 extern "C++" {
    132 inline _LIBCPP_INLINE_VISIBILITY
    133 wchar_t* __libcpp_wcschr(const wchar_t* __s, wchar_t __c) {return (wchar_t*)wcschr(__s, __c);}
    134 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    135 const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return __libcpp_wcschr(__s, __c);}
    136 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    137       wchar_t* wcschr(      wchar_t* __s, wchar_t __c) {return __libcpp_wcschr(__s, __c);}
    138 
    139 inline _LIBCPP_INLINE_VISIBILITY
    140 wchar_t* __libcpp_wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return (wchar_t*)wcspbrk(__s1, __s2);}
    141 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    142 const wchar_t* wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcspbrk(__s1, __s2);}
    143 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    144       wchar_t* wcspbrk(      wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcspbrk(__s1, __s2);}
    145 
    146 inline _LIBCPP_INLINE_VISIBILITY
    147 wchar_t* __libcpp_wcsrchr(const wchar_t* __s, wchar_t __c) {return (wchar_t*)wcsrchr(__s, __c);}
    148 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    149 const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {return __libcpp_wcsrchr(__s, __c);}
    150 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    151       wchar_t* wcsrchr(      wchar_t* __s, wchar_t __c) {return __libcpp_wcsrchr(__s, __c);}
    152 
    153 inline _LIBCPP_INLINE_VISIBILITY
    154 wchar_t* __libcpp_wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return (wchar_t*)wcsstr(__s1, __s2);}
    155 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    156 const wchar_t* wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcsstr(__s1, __s2);}
    157 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    158       wchar_t* wcsstr(      wchar_t* __s1, const wchar_t* __s2) {return __libcpp_wcsstr(__s1, __s2);}
    159 
    160 inline _LIBCPP_INLINE_VISIBILITY
    161 wchar_t* __libcpp_wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return (wchar_t*)wmemchr(__s, __c, __n);}
    162 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    163 const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return __libcpp_wmemchr(__s, __c, __n);}
    164 inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_PREFERRED_OVERLOAD
    165       wchar_t* wmemchr(      wchar_t* __s, wchar_t __c, size_t __n) {return __libcpp_wmemchr(__s, __c, __n);}
    166 }
    167 #endif
    168 
    169 #if defined(__cplusplus) && defined(_LIBCPP_MSVCRT_LIKE)
    170 extern "C" {
    171 size_t mbsnrtowcs(wchar_t *__restrict dst, const char **__restrict src,
    172                   size_t nmc, size_t len, mbstate_t *__restrict ps);
    173 size_t wcsnrtombs(char *__restrict dst, const wchar_t **__restrict src,
    174                   size_t nwc, size_t len, mbstate_t *__restrict ps);
    175 }  // extern "C++"
    176 #endif  // __cplusplus && _LIBCPP_MSVCRT
    177 
    178 #endif  // _LIBCPP_WCHAR_H
    179