1 /* Additional non standardized wide character classification functions.
2 Copyright (C) 1997, 1999, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public License as
8 published by the Free Software Foundation; either version 2 of the
9 License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
16 You should have received a copy of the GNU Library General Public
17 License along with the GNU C Library; see the file COPYING.LIB. If not,
18 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
25 #include "cname-lookup.h"
26 #include "wchar-lookup.h"
28 /* If the program is compiled without optimization the following declaration
29 is not visible in the header. */
30 extern unsigned int *__ctype32_b
;
32 /* This is not exported. */
33 extern const char *__ctype32_wctype
[12];
36 (iswblank
) (wint_t wc
)
38 if (_NL_CURRENT_WORD (LC_CTYPE
, _NL_CTYPE_HASH_SIZE
) != 0)
40 /* Old locale format. */
43 idx
= cname_lookup (wc
);
44 if (idx
== ~((size_t) 0))
47 return __ctype32_b
[idx
] & _ISwblank
;
51 /* New locale format. */
52 return wctype_table_lookup (__ctype32_wctype
[__ISwblank
], wc
);