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c84142e8 | 1 | /* Additional non standardized wide character classification functions. |
390955cb | 2 | Copyright (C) 1997, 1999 Free Software Foundation, Inc. |
c84142e8 UD |
3 | This file is part of the GNU C Library. |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. | |
5 | ||
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. | |
10 | ||
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. | |
15 | ||
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. */ | |
20 | ||
390955cb | 21 | #include <stdint.h> |
c84142e8 UD |
22 | #define __NO_WCTYPE 1 |
23 | #include <wctype.h> | |
24 | ||
390955cb UD |
25 | #include "cname-lookup.h" |
26 | ||
8c474db5 UD |
27 | /* If the program is compiled without optimization the following declaration |
28 | is not visible in the header. */ | |
29 | extern unsigned int *__ctype32_b; | |
30 | ||
c84142e8 | 31 | int |
390955cb | 32 | (iswblank) (wint_t wc) |
c84142e8 | 33 | { |
390955cb | 34 | size_t idx; |
c84142e8 | 35 | |
390955cb UD |
36 | idx = cname_lookup (wc); |
37 | if (idx == ~((size_t) 0)) | |
38 | return 0; | |
c84142e8 | 39 | |
390955cb | 40 | return __ctype32_b[idx] & _ISwblank; |
c84142e8 | 41 | } |