wctype/wcfuncs.c

   1 /* Copyright (C) 1996-2001, 2002 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, write to the Free
  16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17    02111-1307 USA.  */
  18
  19 #include <wctype.h>
  20 #include <locale/localeinfo.h>
  21
  22 #include "wchar-lookup.h"
  23
  24 /* Provide real-function versions of all the wctype macros.  */
  25
  26 #define func(name, type)                                                      \
  27   extern int __##name (wint_t __wc);                                          \
  28   int                                                                         \
  29   __##name (wint_t wc)                                                        \
  30   {                                                                           \
  31     size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_CLASS_OFFSET) + type;    \
  32     const char *desc = _NL_CURRENT (LC_CTYPE, i);                             \
  33     return wctype_table_lookup (desc, wc);                                    \
  34   }                                                                           \
  35   weak_alias (__##name, name)
  36
  37 #undef iswalnum
  38 func (iswalnum, __ISwalnum)
  39 #undef iswalpha
  40 func (iswalpha, __ISwalpha)
  41 libc_hidden_weak (iswalpha)
  42 #undef iswblank
  43 func (iswblank, __ISwblank)
  44 #undef iswcntrl
  45 func (iswcntrl, __ISwcntrl)
  46 #undef iswdigit
  47 func (iswdigit, __ISwdigit)
  48 libc_hidden_weak (iswdigit)
  49 #undef iswlower
  50 func (iswlower, __ISwlower)
  51 libc_hidden_weak (iswlower)
  52 #undef iswgraph
  53 func (iswgraph, __ISwgraph)
  54 #undef iswprint
  55 func (iswprint, __ISwprint)
  56 #undef iswpunct
  57 func (iswpunct, __ISwpunct)
  58 #undef iswspace
  59 func (iswspace, __ISwspace)
  60 libc_hidden_weak (iswspace)
  61 #undef iswupper
  62 func (iswupper, __ISwupper)
  63 #undef iswxdigit
  64 func (iswxdigit, __ISwxdigit)
  65 libc_hidden_weak (iswxdigit)
  66
  67 #undef towlower
  68 wint_t
  69 towlower (wc)
  70      wint_t wc;
  71 {
  72   size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + __TOW_tolower;
  73   const char *desc = _NL_CURRENT (LC_CTYPE, i);
  74   return wctrans_table_lookup (desc, wc);
  75 }
  76 libc_hidden_def (towlower)
  77
  78 #undef towupper
  79 wint_t
  80 towupper (wc)
  81      wint_t wc;
  82 {
  83   size_t i = _NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_MAP_OFFSET) + __TOW_toupper;
  84   const char *desc = _NL_CURRENT (LC_CTYPE, i);
  85   return wctrans_table_lookup (desc, wc);
  86 }
  87 libc_hidden_def (towupper)