ctype/ctype-info.c

   1 /* Copyright (C) 1991-2023 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <https://www.gnu.org/licenses/>.  */
  17
  18 #define CTYPE_EXTERN_INLINE /* Define real functions for accessors.  */
  19 #include <ctype.h>
  20 #include <locale/localeinfo.h>
  21
  22 __libc_tsd_define (, const uint16_t *, CTYPE_B)
  23 __libc_tsd_define (, const int32_t *, CTYPE_TOLOWER)
  24 __libc_tsd_define (, const int32_t *, CTYPE_TOUPPER)
  25
  26
  27 void
  28 __ctype_init (void)
  29 {
  30   const uint16_t **bp = __libc_tsd_address (const uint16_t *, CTYPE_B);
  31   *bp = (const uint16_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS) + 128;
  32   const int32_t **up = __libc_tsd_address (const int32_t *, CTYPE_TOUPPER);
  33   *up = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOUPPER) + 128);
  34   const int32_t **lp = __libc_tsd_address (const int32_t *, CTYPE_TOLOWER);
  35   *lp = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOLOWER) + 128);
  36 }
  37 libc_hidden_def (__ctype_init)
  38
  39
  40 #include <shlib-compat.h>
  41 #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3)
  42
  43 /* Defined in locale/C-ctype.c.  */
  44 extern const char _nl_C_LC_CTYPE_class[] attribute_hidden;
  45 extern const char _nl_C_LC_CTYPE_class32[] attribute_hidden;
  46 extern const char _nl_C_LC_CTYPE_toupper[] attribute_hidden;
  47 extern const char _nl_C_LC_CTYPE_tolower[] attribute_hidden;
  48 extern const char _nl_C_LC_CTYPE_class_upper[] attribute_hidden;
  49 extern const char _nl_C_LC_CTYPE_class_lower[] attribute_hidden;
  50 extern const char _nl_C_LC_CTYPE_class_alpha[] attribute_hidden;
  51 extern const char _nl_C_LC_CTYPE_class_digit[] attribute_hidden;
  52 extern const char _nl_C_LC_CTYPE_class_xdigit[] attribute_hidden;
  53 extern const char _nl_C_LC_CTYPE_class_space[] attribute_hidden;
  54 extern const char _nl_C_LC_CTYPE_class_print[] attribute_hidden;
  55 extern const char _nl_C_LC_CTYPE_class_graph[] attribute_hidden;
  56 extern const char _nl_C_LC_CTYPE_class_blank[] attribute_hidden;
  57 extern const char _nl_C_LC_CTYPE_class_cntrl[] attribute_hidden;
  58 extern const char _nl_C_LC_CTYPE_class_punct[] attribute_hidden;
  59 extern const char _nl_C_LC_CTYPE_class_alnum[] attribute_hidden;
  60
  61 #define b(t,x,o) (((const t *) _nl_C_LC_CTYPE_##x) + o)
  62
  63 const unsigned short int *__ctype_b = b (unsigned short int, class, 128);
  64 const __uint32_t *__ctype32_b = b (__uint32_t, class32, 0);
  65 const __int32_t *__ctype_tolower = b (__int32_t, tolower, 128);
  66 const __int32_t *__ctype_toupper = b (__int32_t, toupper, 128);
  67 const __uint32_t *__ctype32_tolower = b (__uint32_t, tolower, 128);
  68 const __uint32_t *__ctype32_toupper = b (__uint32_t, toupper, 128);
  69
  70 compat_symbol (libc, __ctype_b, __ctype_b, GLIBC_2_0);
  71 compat_symbol (libc, __ctype_tolower, __ctype_tolower, GLIBC_2_0);
  72 compat_symbol (libc, __ctype_toupper, __ctype_toupper, GLIBC_2_0);
  73 compat_symbol (libc, __ctype32_b, __ctype32_b, GLIBC_2_0);
  74 compat_symbol (libc, __ctype32_tolower, __ctype32_tolower, GLIBC_2_2);
  75 compat_symbol (libc, __ctype32_toupper, __ctype32_toupper, GLIBC_2_2);
  76
  77 #endif