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bc3e1c12 | 1 | /* User interface for extracting locale-dependent parameters. |
2b778ceb | 2 | Copyright (C) 1995-2021 Free Software Foundation, Inc. |
6c163862 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 | |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
6c163862 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
6c163862 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
6c163862 | 18 | |
bc3e1c12 UD |
19 | #include <langinfo.h> |
20 | #include <locale.h> | |
21 | #include <errno.h> | |
22 | #include <stddef.h> | |
ae75a883 | 23 | #include <stdlib.h> |
bc3e1c12 UD |
24 | #include "localeinfo.h" |
25 | ||
26 | ||
27 | /* Return a string with the data for locale-dependent parameter ITEM. */ | |
28 | ||
29 | char * | |
af85385f | 30 | __nl_langinfo_l (nl_item item, locale_t l) |
bc3e1c12 UD |
31 | { |
32 | int category = _NL_ITEM_CATEGORY (item); | |
33 | unsigned int index = _NL_ITEM_INDEX (item); | |
f095bb72 | 34 | const struct __locale_data *data; |
bc3e1c12 UD |
35 | |
36 | if (category < 0 || category == LC_ALL || category >= __LC_LAST) | |
37 | /* Bogus category: bogus item. */ | |
38 | return (char *) ""; | |
39 | ||
40 | /* Special case value for NL_LOCALE_NAME (category). | |
41 | This is not a real item index in the string table. */ | |
42 | if (index == _NL_ITEM_INDEX (_NL_LOCALE_NAME (category))) | |
43 | return (char *) l->__names[category]; | |
44 | ||
ae75a883 AJ |
45 | #if defined NL_CURRENT_INDIRECT |
46 | /* Make direct reference to every _nl_current_CATEGORY symbol, | |
47 | since we know only at runtime which categories are used. */ | |
48 | switch (category) | |
49 | { | |
50 | # define DEFINE_CATEGORY(category, category_name, items, a) \ | |
51 | case category: data = *_nl_current_##category; break; | |
52 | # include "categories.def" | |
53 | # undef DEFINE_CATEGORY | |
54 | default: /* Should be impossible. */ | |
55 | abort(); | |
56 | } | |
57 | #else | |
bc3e1c12 | 58 | data = l->__locales[category]; |
ae75a883 | 59 | #endif |
bc3e1c12 UD |
60 | |
61 | if (index >= data->nstrings) | |
62 | /* Bogus index for this category: bogus item. */ | |
63 | return (char *) ""; | |
64 | ||
65 | /* Return the string for the specified item. */ | |
66 | return (char *) data->values[index].string; | |
67 | } | |
68 | libc_hidden_def (__nl_langinfo_l) | |
69 | weak_alias (__nl_langinfo_l, nl_langinfo_l) |