glibc/locale/lc-ctype.c

58 lines
2.1 KiB
C

/* Define current locale data for LC_CTYPE category.
Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "localeinfo.h"
#include <ctype.h>
#include <endian.h>
#include <stdint.h>
_NL_CURRENT_DEFINE (LC_CTYPE);
/* We are called after loading LC_CTYPE data to load it into
the variables used by the ctype.h macros.
There are three arrays of short ints which need to be indexable
from -128 to 255 inclusive. Stored in the locale data file are
a copy of each for each byte order. */
void
_nl_postload_ctype (void)
{
#define paste(a,b) paste1(a,b)
#define paste1(a,b) a##b
#define current(type,x,offset) \
((const type *) _NL_CURRENT (LC_CTYPE, paste(_NL_CTYPE_,x)) + offset)
extern const uint32_t *__ctype32_b;
extern const uint32_t *__ctype_names;
extern const unsigned char *__ctype_width;
extern const uint32_t *__ctype32_toupper;
extern const uint32_t *__ctype32_tolower;
__ctype_b = current (uint16_t, CLASS, 128);
__ctype_toupper = current (uint32_t, TOUPPER, 128);
__ctype_tolower = current (uint32_t, TOLOWER, 128);
__ctype32_b = current (uint32_t, CLASS32, 0);
__ctype32_toupper = current (uint32_t, TOUPPER32, 0);
__ctype32_tolower = current (uint32_t, TOLOWER32, 0);
__ctype_names = current (uint32_t, NAMES, 0);
__ctype_width = current (unsigned char, WIDTH, 0);
}