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glibc/locale/nl_langinfo_l.c
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/* User interface for extracting locale-dependent parameters. | |
Copyright (C) 1995-2016 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 | |
<http://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) |