wctype/wcfuncs_l.c

   1 /* Copyright (C) 1996-2023 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 #include <ctype.h>
  19 #include <wctype.h>
  20 #include <stdint.h>
  21 #include <locale.h>
  22 #include <locale/localeinfo.h>
  23
  24 #define USE_IN_EXTENDED_LOCALE_MODEL
  25 #include "wchar-lookup.h"
  26
  27 /* Provide real-function versions of all the wctype macros.  */
  28
  29 #define func(name, type) \
  30   int __isw##name (wint_t wc, locale_t locale)                                \
  31   {                                                                           \
  32     if (isascii (wc))                                                         \
  33       return is##name ((int) wc, locale);                                     \
  34     size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_CLASS_OFFSET)].word + type; \
  35     const char *desc = locale->__locales[LC_CTYPE]->values[i].string;         \
  36     return wctype_table_lookup (desc, wc);                                    \
  37   }                                                                           \
  38   libc_hidden_def (__isw##name)                                               \
  39   weak_alias (__isw##name, isw##name)
  40
  41 func (alnum_l, __ISwalnum)
  42 func (alpha_l, __ISwalpha)
  43 func (blank_l, __ISwblank)
  44 func (cntrl_l, __ISwcntrl)
  45 #undef iswdigit_l
  46 #undef __iswdigit_l
  47 func (digit_l, __ISwdigit)
  48 func (lower_l, __ISwlower)
  49 func (graph_l, __ISwgraph)
  50 func (print_l, __ISwprint)
  51 func (punct_l, __ISwpunct)
  52 func (space_l, __ISwspace)
  53 func (upper_l, __ISwupper)
  54 func (xdigit_l, __ISwxdigit)
  55
  56 wint_t
  57 (__towlower_l) (wint_t wc, locale_t locale)
  58 {
  59   size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_tolower;
  60   const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
  61   return wctrans_table_lookup (desc, wc);
  62 }
  63 libc_hidden_def (__towlower_l)
  64 weak_alias (__towlower_l, towlower_l)
  65
  66 wint_t
  67 (__towupper_l) (wint_t wc, locale_t locale)
  68 {
  69   size_t i = locale->__locales[LC_CTYPE]->values[_NL_ITEM_INDEX (_NL_CTYPE_MAP_OFFSET)].word + __TOW_toupper;
  70   const char *desc = locale->__locales[LC_CTYPE]->values[i].string;
  71   return wctrans_table_lookup (desc, wc);
  72 }
  73 libc_hidden_def (__towupper_l)
  74 weak_alias (__towupper_l, towupper_l)