glibc/wctype/wctrans.c

61 lines
1.8 KiB
C

/* Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
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 <ctype.h>
#include <inttypes.h>
#include <string.h>
#include <wctype.h>
#include "../locale/localeinfo.h"
/* These are not exported. */
extern const uint32_t *__ctype32_toupper;
extern const uint32_t *__ctype32_tolower;
wctrans_t
wctrans (const char *property)
{
const char *names;
size_t cnt;
int32_t *result;
names = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_MAP_NAMES);
cnt = 0;
while (names[0] != '\0')
{
if (strcmp (property, names) == 0)
break;
names = strchr (names, '\0') + 1;
++cnt;
}
if (names[0] == '\0')
return 0;
if (cnt == 0)
return (wctrans_t) __ctype32_toupper;
else if (cnt == 1)
return (wctrans_t) __ctype32_tolower;
/* We have to search the table. */
result = (int32_t *) _NL_CURRENT (LC_CTYPE, _NL_NUM_LC_CTYPE + cnt - 2);
return (wctrans_t) result;
}