1 | /* Copyright (C) 2000-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <assert.h> |
19 | #include <langinfo.h> |
20 | #include <string.h> |
21 | #include "../locale/localeinfo.h" |
22 | |
23 | /* Look up the value of the next multibyte character and return its numerical |
24 | value if it is one of the digits known in the locale. If *DECIDED is |
25 | -1 this means it is not yet decided which form it is and we have to |
26 | search through all available digits. Otherwise we know which script |
27 | the digits are from. */ |
28 | static inline char * |
29 | outdigit_value (char *s, int n) |
30 | { |
31 | const char *outdigit; |
32 | size_t dlen; |
33 | |
34 | assert (0 <= n && n <= 9); |
35 | outdigit = _NL_CURRENT (LC_CTYPE, _NL_CTYPE_OUTDIGIT0_MB + n); |
36 | dlen = strlen (outdigit); |
37 | |
38 | s -= dlen; |
39 | while (dlen-- > 0) |
40 | s[dlen] = outdigit[dlen]; |
41 | |
42 | return s; |
43 | } |
44 | |