glibc/wctype/wctrans.c

60 lines
1.7 KiB
C

/* Copyright (C) 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
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 <string.h>
#include <wctype.h>
#include "../locale/localeinfo.h"
wctrans_t
wctrans (const char *property)
{
const char *names;
size_t cnt;
unsigned int **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) __ctype_toupper;
else if (cnt == 1)
return (wctrans_t) __ctype_tolower;
/* We have to search the table. */
result = (unsigned int **) &_NL_CURRENT (LC_CTYPE, _NL_CTYPE_WIDTH);
#if __BYTE_ORDER == _BIG_ENDIAN
return (wctrans_t) result[1 + 2 * cnt];
#else
return (wctrans_t) result[1 + 2 * cnt + 1];
#endif
}