(root)/
glibc-2.38/
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