diff options
Diffstat (limited to 'locale/nl_langinfo.c')
-rw-r--r-- | locale/nl_langinfo.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/locale/nl_langinfo.c b/locale/nl_langinfo.c new file mode 100644 index 0000000000..4d02abf49e --- /dev/null +++ b/locale/nl_langinfo.c @@ -0,0 +1,63 @@ +/* nl_langinfo -- User interface for extracting locale-dependent parameters. +Copyright (C) 1995 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <langinfo.h> + +/* This array duplicates `_nl_current' defined in setlocale.c; but since + the references here are not weak references, this guarantees that the + data for all the categories will be linked in. */ + +static const struct locale_data * *const nldata[] = +{ +#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \ + [category] = &_nl_current_##category, +#include "categories.def" +#undef DEFINE_CATEGORY +}; + + +/* Return a string with the data for locale-dependent parameter ITEM. */ + +char * +nl_langinfo (item) + nl_item item; +{ + int category = _NL_ITEM_CATEGORY (item); + unsigned int index = _NL_ITEM_INDEX (item); + const struct locale_data *data; + + if (category < 0 || category >= LC_ALL) + { + /* Bogus category: bogus item. */ + errno = EINVAL; + return NULL; + } + + data = nldata[category]; + + if (index >= data->nstrings) + { + /* Bogus index for this category: bogus item. */ + errno = EINVAL; + return NULL; + } + + /* Return the string for the specified item. */ + return (char *) nldata->strings[index]; +} |