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c84142e8 | 1 | /* Map wide character using given mapping. |
37696206 | 2 | Copyright (C) 1996, 1997, 2000 Free Software Foundation, Inc. |
c84142e8 UD |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Library General Public License as | |
7 | published by the Free Software Foundation; either version 2 of the | |
8 | License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Library General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Library General Public | |
16 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
18 | Boston, MA 02111-1307, USA. */ | |
19bc17a9 RM |
19 | |
20 | #include <wctype.h> | |
21 | ||
22 | /* Define the lookup function. */ | |
23 | #include "cname-lookup.h" | |
ef446144 | 24 | #include "wchar-lookup.h" |
19bc17a9 RM |
25 | |
26 | wint_t | |
9756dfe1 | 27 | __towctrans (wint_t wc, wctrans_t desc) |
19bc17a9 | 28 | { |
37696206 UD |
29 | /* If the user passes in an invalid DESC valid (the one returned from |
30 | `wctrans' in case of an error) simply return the value. */ | |
31 | if (desc == (wctrans_t) 0) | |
32 | return wc; | |
33 | ||
ef446144 UD |
34 | if (_NL_CURRENT_WORD (LC_CTYPE, _NL_CTYPE_HASH_SIZE) != 0) |
35 | { | |
36 | /* Old locale format. */ | |
37 | size_t idx; | |
38 | ||
39 | idx = cname_lookup (wc); | |
40 | if (idx == ~((size_t) 0)) | |
41 | /* Character is not known. Default action is to simply return it. */ | |
42 | return wc; | |
43 | ||
44 | return (wint_t) desc[idx]; | |
45 | } | |
46 | else | |
47 | { | |
48 | /* New locale format. */ | |
49 | return wctrans_table_lookup ((const char *) desc, wc); | |
50 | } | |
19bc17a9 | 51 | } |
9756dfe1 | 52 | weak_alias (__towctrans, towctrans) |