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64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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/* nl_langinfo -- User interface for extracting locale-dependent parameters.
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Copyright (C) 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <langinfo.h>
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/* This array duplicates `_nl_current' defined in setlocale.c; but since
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the references here are not weak references, this guarantees that the
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data for all the categories will be linked in. */
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static const struct locale_data * *const nldata[] =
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{
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#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
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[category] = &_nl_current_##category,
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#include "categories.def"
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#undef DEFINE_CATEGORY
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};
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/* Return a string with the data for locale-dependent parameter ITEM. */
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char *
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nl_langinfo (item)
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nl_item item;
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{
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int category = _NL_ITEM_CATEGORY (item);
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unsigned int index = _NL_ITEM_INDEX (item);
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const struct locale_data *data;
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if (category < 0 || category >= LC_ALL)
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{
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/* Bogus category: bogus item. */
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errno = EINVAL;
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return NULL;
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}
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data = nldata[category];
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if (index >= data->nstrings)
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{
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/* Bogus index for this category: bogus item. */
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errno = EINVAL;
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return NULL;
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}
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/* Return the string for the specified item. */
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return (char *) nldata->strings[index];
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}
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