include/wchar.h

   1 #ifndef _WCHAR_H
   2
   3 /* Workaround PR90731 with GCC 9 when using ldbl redirects in C++.  */
   4 # include <bits/floatn.h>
   5 # if defined __cplusplus && __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
   6 #  if __GNUC_PREREQ (9, 0) && !__GNUC_PREREQ (9, 3)
   7 #   pragma GCC system_header
   8 #  endif
   9 # endif
  10
  11 # include <wcsmbs/wchar.h>
  12 # ifndef _ISOMAC
  13
  14 #include <bits/floatn.h>
  15 #include <bits/wchar2-decl.h>
  16 #include <stdbool.h>
  17
  18 extern __typeof (wcscasecmp_l) __wcscasecmp_l;
  19 extern __typeof (wcsncasecmp_l) __wcsncasecmp_l;
  20 extern __typeof (wcscoll_l) __wcscoll_l;
  21 extern __typeof (wcsxfrm_l) __wcsxfrm_l;
  22 extern __typeof (wcstol_l) __wcstol_l;
  23 extern __typeof (wcstoul_l) __wcstoul_l;
  24 extern __typeof (wcstoll_l) __wcstoll_l;
  25 extern __typeof (wcstoull_l) __wcstoull_l;
  26 extern __typeof (wcstod_l) __wcstod_l;
  27 extern __typeof (wcstof_l) __wcstof_l;
  28 extern __typeof (wcstold_l) __wcstold_l;
  29 extern __typeof (wcsftime_l) __wcsftime_l;
  30 libc_hidden_proto (__wcstol_l)
  31 libc_hidden_proto (__wcstoul_l)
  32 libc_hidden_proto (__wcstoll_l)
  33 libc_hidden_proto (__wcstoull_l)
  34 libc_hidden_proto (__wcstod_l)
  35 libc_hidden_proto (__wcstof_l)
  36 libc_hidden_proto (__wcstold_l)
  37 libc_hidden_proto (__wcsftime_l)
  38
  39 extern __typeof (wcstol) __isoc23_wcstol __attribute_copy__ (wcstol);
  40 extern __typeof (wcstoul) __isoc23_wcstoul __attribute_copy__ (wcstoul);
  41 extern __typeof (wcstoll) __isoc23_wcstoll __attribute_copy__ (wcstoll);
  42 extern __typeof (wcstoull) __isoc23_wcstoull __attribute_copy__ (wcstoull);
  43 extern __typeof (wcstol_l) __isoc23_wcstol_l __attribute_copy__ (wcstol_l);
  44 extern __typeof (wcstoul_l) __isoc23_wcstoul_l __attribute_copy__ (wcstoul_l);
  45 extern __typeof (wcstoll_l) __isoc23_wcstoll_l __attribute_copy__ (wcstoll_l);
  46 extern __typeof (wcstoull_l) __isoc23_wcstoull_l __attribute_copy__ (wcstoull_l);
  47 libc_hidden_proto (__isoc23_wcstol)
  48 libc_hidden_proto (__isoc23_wcstoul)
  49 libc_hidden_proto (__isoc23_wcstoll)
  50 libc_hidden_proto (__isoc23_wcstoull)
  51 libc_hidden_proto (__isoc23_wcstol_l)
  52 libc_hidden_proto (__isoc23_wcstoul_l)
  53 libc_hidden_proto (__isoc23_wcstoll_l)
  54 libc_hidden_proto (__isoc23_wcstoull_l)
  55
  56 #if __GLIBC_USE (C2X_STRTOL)
  57 /* Redirect internal uses of these functions to the C2X versions; the
  58    redirection in the installed header does not work with
  59    libc_hidden_proto.  */
  60 # undef wcstol
  61 # define wcstol __isoc23_wcstol
  62 # undef wcstoul
  63 # define wcstoul __isoc23_wcstoul
  64 # undef wcstoll
  65 # define wcstoll __isoc23_wcstoll
  66 # undef wcstoull
  67 # define wcstoull __isoc23_wcstoull
  68 # undef wcstol_l
  69 # define wcstol_l __isoc23_wcstol_l
  70 # undef wcstoul_l
  71 # define wcstoul_l __isoc23_wcstoul_l
  72 # undef wcstoll_l
  73 # define wcstoll_l __isoc23_wcstoll_l
  74 # undef wcstoull_l
  75 # define wcstoull_l __isoc23_wcstoull_l
  76 #endif
  77
  78
  79 extern double __wcstod_internal (const wchar_t *__restrict __nptr,
  80                                  wchar_t **__restrict __endptr, int __group)
  81      __THROW;
  82 extern float __wcstof_internal (const wchar_t *__restrict __nptr,
  83                                 wchar_t **__restrict __endptr, int __group)
  84      __THROW;
  85 extern long double __wcstold_internal (const wchar_t *__restrict __nptr,
  86                                        wchar_t **__restrict __endptr,
  87                                        int __group) __THROW;
  88 extern long int __wcstol_internal (const wchar_t *__restrict __nptr,
  89                                    wchar_t **__restrict __endptr,
  90                                    int __base, int __group) __THROW;
  91 extern unsigned long int __wcstoul_internal (const wchar_t *__restrict __npt,
  92                                              wchar_t **__restrict __endptr,
  93                                              int __base, int __group) __THROW;
  94 __extension__
  95 extern long long int __wcstoll_internal (const wchar_t *__restrict __nptr,
  96                                          wchar_t **__restrict __endptr,
  97                                          int __base, int __group) __THROW;
  98 __extension__
  99 extern unsigned long long int __wcstoull_internal (const wchar_t *
 100                                                    __restrict __nptr,
 101                                                    wchar_t **
 102                                                    __restrict __endptr,
 103                                                    int __base,
 104                                                    int __group) __THROW;
 105 extern unsigned long long int ____wcstoull_l_internal (const wchar_t *,
 106                                                        wchar_t **, int, int,
 107                                                        bool, locale_t);
 108 libc_hidden_proto (__wcstof_internal)
 109 libc_hidden_proto (__wcstod_internal)
 110 libc_hidden_proto (__wcstold_internal)
 111 libc_hidden_proto (__wcstol_internal)
 112 libc_hidden_proto (__wcstoll_internal)
 113 libc_hidden_proto (__wcstoul_internal)
 114 libc_hidden_proto (__wcstoull_internal)
 115 libc_hidden_proto (wcstof)
 116 libc_hidden_proto (wcstod)
 117 libc_hidden_ldbl_proto (wcstold)
 118 libc_hidden_proto (wcstol)
 119 libc_hidden_proto (wcstoll)
 120 libc_hidden_proto (wcstoul)
 121 libc_hidden_proto (wcstoull)
 122
 123 extern float ____wcstof_l_internal (const wchar_t *, wchar_t **, int,
 124                                     locale_t) attribute_hidden;
 125 extern double ____wcstod_l_internal (const wchar_t *, wchar_t **, int,
 126                                      locale_t) attribute_hidden;
 127 extern long double ____wcstold_l_internal (const wchar_t *, wchar_t **,
 128                                            int, locale_t) attribute_hidden;
 129 extern long int ____wcstol_l_internal (const wchar_t *, wchar_t **, int,
 130                                        int, bool, locale_t) attribute_hidden;
 131 extern unsigned long int ____wcstoul_l_internal (const wchar_t *,
 132                                                  wchar_t **,
 133                                                  int, int, bool, locale_t)
 134      attribute_hidden;
 135 extern long long int ____wcstoll_l_internal (const wchar_t *, wchar_t **,
 136                                              int, int, bool, locale_t)
 137      attribute_hidden;
 138 extern unsigned long long int ____wcstoull_l_internal (const wchar_t *,
 139                                                        wchar_t **, int, int,
 140                                                        bool, locale_t)
 141      attribute_hidden;
 142
 143 #if __HAVE_DISTINCT_FLOAT128
 144 extern __typeof (wcstof128_l) __wcstof128_l;
 145 libc_hidden_proto (__wcstof128_l)
 146 extern _Float128 __wcstof128_internal (const wchar_t *__restrict __nptr,
 147                                        wchar_t **__restrict __endptr,
 148                                        int __group) __THROW;
 149
 150 extern _Float128 ____wcstof128_l_internal (const wchar_t *, wchar_t **, int,
 151                                            locale_t) attribute_hidden;
 152
 153 libc_hidden_proto (__wcstof128_internal)
 154 libc_hidden_proto (wcstof128)
 155 #endif
 156
 157 libc_hidden_proto (__wcscasecmp_l)
 158 libc_hidden_proto (__wcsncasecmp_l)
 159
 160 libc_hidden_proto (__wcscoll_l)
 161 libc_hidden_proto (__wcsxfrm_l)
 162
 163 libc_hidden_proto (fputws_unlocked)
 164 libc_hidden_proto (putwc_unlocked)
 165 libc_hidden_proto (putwc)
 166
 167 libc_hidden_proto (mbrtowc)
 168 libc_hidden_proto (wcrtomb)
 169 libc_hidden_proto (__wcrtomb_chk)
 170
 171 extern int __wcscmp (const wchar_t *__s1, const wchar_t *__s2)
 172      __THROW __attribute_pure__;
 173 libc_hidden_proto (__wcscmp)
 174 libc_hidden_proto (wcsftime)
 175 libc_hidden_proto (wcsspn)
 176 libc_hidden_proto (wcschr)
 177 /* The C++ overloading of wcschr means we have to repeat the type to
 178    declare __wcschr instead of using typeof, to avoid errors in C++
 179    tests; in addition, __THROW cannot be used with a function type
 180    from typeof in C++.  The same applies to __wmemchr and, as regards
 181    __THROW, to __wcscmp and __wcscoll.  */
 182 extern wchar_t *__wcschr (const wchar_t *__wcs, wchar_t __wc)
 183      __THROW __attribute_pure__;
 184 libc_hidden_proto (__wcschr)
 185 extern int __wcscoll (const wchar_t *__s1, const wchar_t *__s2) __THROW;
 186 libc_hidden_proto (__wcscoll)
 187 libc_hidden_proto (wcspbrk)
 188
 189 extern __typeof (wmemset) __wmemset;
 190 extern wchar_t *__wmemchr (const wchar_t *__s, wchar_t __c, size_t __n)
 191      __THROW __attribute_pure__;
 192 libc_hidden_proto (wmemchr)
 193 libc_hidden_proto (__wmemchr)
 194 libc_hidden_proto (wmemset)
 195 libc_hidden_proto (__wmemset)
 196 extern int __wmemcmp (const wchar_t *__s1, const wchar_t *__s2, size_t __n)
 197      __THROW __attribute_pure__;
 198
 199 /* Now define the internal interfaces.  */
 200 extern int __wcscasecmp (const wchar_t *__s1, const wchar_t *__s2)
 201      __attribute_pure__;
 202 extern int __wcsncasecmp (const wchar_t *__s1, const wchar_t *__s2,
 203                           size_t __n)
 204      __attribute_pure__;
 205 extern size_t __wcslen (const wchar_t *__s) __attribute_pure__;
 206 extern size_t __wcsnlen (const wchar_t *__s, size_t __maxlen)
 207      __attribute_pure__;
 208 extern wchar_t *__wcscat (wchar_t *dest, const wchar_t *src);
 209 extern __typeof (wcslcat) __wcslcat;
 210 libc_hidden_proto (__wcslcat)
 211 extern wint_t __btowc (int __c) attribute_hidden;
 212 extern int __mbsinit (const __mbstate_t *__ps);
 213 extern size_t __mbrtowc (wchar_t *__restrict __pwc,
 214                          const char *__restrict __s, size_t __n,
 215                          __mbstate_t *__restrict __p);
 216 libc_hidden_proto (__mbrtowc)
 217 libc_hidden_proto (__mbrlen)
 218 extern size_t __wcrtomb (char *__restrict __s, wchar_t __wc,
 219                          __mbstate_t *__restrict __ps) attribute_hidden;
 220 extern size_t __wcrtomb_internal (char *__restrict __s, wchar_t __wc,
 221                                   __mbstate_t *__restrict __ps,
 222                                   size_t __s_size)
 223      attribute_hidden;
 224 extern size_t __mbsrtowcs (wchar_t *__restrict __dst,
 225                            const char **__restrict __src,
 226                            size_t __len, __mbstate_t *__restrict __ps)
 227      attribute_hidden;
 228 extern size_t __wcsrtombs (char *__restrict __dst,
 229                            const wchar_t **__restrict __src,
 230                            size_t __len, __mbstate_t *__restrict __ps)
 231      attribute_hidden;
 232 extern size_t __mbsnrtowcs (wchar_t *__restrict __dst,
 233                             const char **__restrict __src, size_t __nmc,
 234                             size_t __len, __mbstate_t *__restrict __ps)
 235      attribute_hidden;
 236 extern size_t __wcsnrtombs (char *__restrict __dst,
 237                             const wchar_t **__restrict __src,
 238                             size_t __nwc, size_t __len,
 239                             __mbstate_t *__restrict __ps)
 240      attribute_hidden;
 241 extern wchar_t *__wcscpy (wchar_t *__restrict __dest,
 242                           const wchar_t *__restrict __src)
 243                           attribute_hidden __nonnull ((1, 2));
 244 libc_hidden_proto (__wcscpy)
 245 extern __typeof (wcslcpy) __wcslcpy;
 246 libc_hidden_proto (__wcslcpy)
 247 extern wchar_t *__wcsncpy (wchar_t *__restrict __dest,
 248                            const wchar_t *__restrict __src, size_t __n);
 249
 250 extern wchar_t *__wcpcpy (wchar_t *__dest, const wchar_t *__src);
 251 extern wchar_t *__wcpncpy (wchar_t *__dest, const wchar_t *__src,
 252                            size_t __n);
 253 extern wchar_t *__wmemcpy (wchar_t *__s1, const wchar_t *s2,
 254                            size_t __n) attribute_hidden;
 255 extern wchar_t *__wmempcpy (wchar_t *__restrict __s1,
 256                             const wchar_t *__restrict __s2,
 257                             size_t __n) attribute_hidden;
 258 extern wchar_t *__wmemmove (wchar_t *__s1, const wchar_t *__s2,
 259                             size_t __n) attribute_hidden;
 260 extern wchar_t *__wcschrnul (const wchar_t *__s, wchar_t __wc)
 261      __attribute_pure__;
 262
 263 extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
 264                                size_t __ns) __THROW;
 265 libc_hidden_builtin_proto (__wmemset_chk)
 266
 267 extern int __vfwscanf (__FILE *__restrict __s,
 268                        const wchar_t *__restrict __format,
 269                        __gnuc_va_list __arg)
 270      attribute_hidden
 271      /* __attribute__ ((__format__ (__wscanf__, 2, 0)) */;
 272
 273 extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
 274                            int __flag, size_t __s_len,
 275                            const wchar_t *__restrict __format, ...)
 276      __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
 277
 278 extern int __fwprintf (__FILE *__restrict __s,
 279                        const wchar_t *__restrict __format, ...)
 280      attribute_hidden
 281      /* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
 282 extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
 283                           ...);
 284 extern int __vfwprintf_chk (FILE *__restrict __s, int __flag,
 285                             const wchar_t *__restrict __format,
 286                             __gnuc_va_list __arg)
 287      /* __attribute__ ((__format__ (__wprintf__, 3, 0))) */;
 288 extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
 289                             int __flag, size_t __s_len,
 290                             const wchar_t *__restrict __format,
 291                             __gnuc_va_list __arg)
 292      /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
 293 extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
 294                            const wchar_t *__restrict __format, ...);
 295 extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
 296                            __gnuc_va_list __ap);
 297
 298 extern int __isoc99_fwscanf (__FILE *__restrict __stream,
 299                              const wchar_t *__restrict __format, ...);
 300 extern int __isoc99_wscanf (const wchar_t *__restrict __format, ...);
 301 extern int __isoc99_swscanf (const wchar_t *__restrict __s,
 302                              const wchar_t *__restrict __format, ...)
 303      __THROW;
 304 extern int __isoc99_vfwscanf (__FILE *__restrict __s,
 305                               const wchar_t *__restrict __format,
 306                               __gnuc_va_list __arg);
 307 extern int __isoc99_vwscanf (const wchar_t *__restrict __format,
 308                              __gnuc_va_list __arg);
 309 extern int __isoc99_vswscanf (const wchar_t *__restrict __s,
 310                               const wchar_t *__restrict __format,
 311                               __gnuc_va_list __arg) __THROW;
 312 extern int __isoc23_fwscanf (__FILE *__restrict __stream,
 313                              const wchar_t *__restrict __format, ...);
 314 extern int __isoc23_wscanf (const wchar_t *__restrict __format, ...);
 315 extern int __isoc23_swscanf (const wchar_t *__restrict __s,
 316                              const wchar_t *__restrict __format, ...)
 317      __THROW;
 318 extern int __isoc23_vfwscanf (__FILE *__restrict __s,
 319                               const wchar_t *__restrict __format,
 320                               __gnuc_va_list __arg);
 321 extern int __isoc23_vwscanf (const wchar_t *__restrict __format,
 322                              __gnuc_va_list __arg);
 323 extern int __isoc23_vswscanf (const wchar_t *__restrict __s,
 324                               const wchar_t *__restrict __format,
 325                               __gnuc_va_list __arg) __THROW;
 326 libc_hidden_proto (__isoc99_vswscanf)
 327 libc_hidden_proto (__isoc99_vfwscanf)
 328 libc_hidden_proto (__isoc23_vswscanf)
 329 libc_hidden_proto (__isoc23_vfwscanf)
 330
 331 /* Internal functions.  */
 332 extern size_t __mbsrtowcs_l (wchar_t *dst, const char **src, size_t len,
 333                              mbstate_t *ps, locale_t l) attribute_hidden;
 334
 335 /* Special version.  We know that all uses of mbsinit inside the libc
 336    have a non-NULL parameter.  And certainly we can access the
 337    internals of the data structure directly.  */
 338 #  define mbsinit(state) ((state)->__count == 0)
 339 #  define __mbsinit(state) ((state)->__count == 0)
 340
 341 # endif
 342 #endif