/* User interface for extracting locale-dependent parameters. Copyright (C) 1995-2020 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <langinfo.h> #include <locale.h> #include <errno.h> #include <stddef.h> #include <stdlib.h> #include "localeinfo.h" /* Return a string with the data for locale-dependent parameter ITEM. */ char * __nl_langinfo_l (nl_item item, locale_t l) { int category = _NL_ITEM_CATEGORY (item); unsigned int index = _NL_ITEM_INDEX (item); const struct __locale_data *data; if (category < 0 || category == LC_ALL || category >= __LC_LAST) /* Bogus category: bogus item. */ return (char *) ""; /* Special case value for NL_LOCALE_NAME (category). This is not a real item index in the string table. */ if (index == _NL_ITEM_INDEX (_NL_LOCALE_NAME (category))) return (char *) l->__names[category]; #if defined NL_CURRENT_INDIRECT /* Make direct reference to every _nl_current_CATEGORY symbol, since we know only at runtime which categories are used. */ switch (category) { # define DEFINE_CATEGORY(category, category_name, items, a) \ case category: data = *_nl_current_##category; break; # include "categories.def" # undef DEFINE_CATEGORY default: /* Should be impossible. */ abort(); } #else data = l->__locales[category]; #endif if (index >= data->nstrings) /* Bogus index for this category: bogus item. */ return (char *) ""; /* Return the string for the specified item. */ return (char *) data->values[index].string; } libc_hidden_def (__nl_langinfo_l) weak_alias (__nl_langinfo_l, nl_langinfo_l)