147 lines
4.7 KiB
C
147 lines
4.7 KiB
C
/* localeinfo.h -- declarations for internal libc locale interfaces
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Copyright (C) 1995, 1996, 1997 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 not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _LOCALEINFO_H
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#define _LOCALEINFO_H 1
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#include <stddef.h>
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#include <langinfo.h>
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#include <time.h>
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#include <sys/types.h>
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#include "../intl/loadinfo.h" /* For loaded_l10nfile definition. */
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/* Magic number at the beginning of a locale data file for CATEGORY. */
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#define LIMAGIC(category) (0x960617de ^ (category))
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/* Two special weight constants for the collation data. */
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#define FORWARD_CHAR ((wchar_t) 0xfffffffd)
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#define ELLIPSIS_CHAR ((wchar_t) 0xfffffffe)
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#define IGNORE_CHAR ((wchar_t) 0xffffffff)
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/* Structure describing locale data in core for a category. */
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struct locale_data
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{
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const char *name;
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const char *filedata; /* Region mapping the file data. */
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off_t filesize; /* Size of the file (and the region). */
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unsigned int nstrings; /* Number of strings below. */
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union locale_data_value
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{
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const wchar_t *wstr;
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const char *string;
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unsigned int word;
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}
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values[0]; /* Items, usually pointers into `filedata'. */
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};
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/* We know three kinds of collation sorting rules. */
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enum coll_sort_rule
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{
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illegal_0__,
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sort_forward,
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sort_backward,
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illegal_3__,
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sort_position,
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sort_forward_position,
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sort_backward_position,
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sort_mask
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};
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/* We can map the types of the entries into a few categories. */
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enum value_type
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{
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none,
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string,
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stringarray,
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byte,
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bytearray,
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word
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};
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/* Structure to access `era' information from LC_TIME. */
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struct era_entry
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{
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u_int32_t direction; /* Contains '+' or '-'. */
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int32_t offset;
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int32_t start_date[3];
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int32_t stop_date[3];
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const char name_fmt[0];
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};
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/* For each category declare the variable for the current locale data. */
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#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \
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extern const struct locale_data *_nl_current_##category;
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#include "categories.def"
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#undef DEFINE_CATEGORY
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extern const char *const _nl_category_names[LC_ALL + 1];
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extern const size_t _nl_category_name_sizes[LC_ALL + 1];
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extern const struct locale_data * *const _nl_current[LC_ALL];
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/* Name of the standard locale. */
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extern const char _nl_C_name[];
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/* Extract the current CATEGORY locale's string for ITEM. */
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#define _NL_CURRENT(category, item) \
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(_nl_current_##category->values[_NL_ITEM_INDEX (item)].string)
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/* Extract the current CATEGORY locale's word for ITEM. */
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#define _NL_CURRENT_WORD(category, item) \
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(_nl_current_##category->values[_NL_ITEM_INDEX (item)].word)
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/* This is used in lc-CATEGORY.c to define _nl_current_CATEGORY. */
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#define _NL_CURRENT_DEFINE(category) \
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extern const struct locale_data _nl_C_##category; \
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const struct locale_data *_nl_current_##category = &_nl_C_##category
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/* Load the locale data for CATEGORY from the file specified by *NAME.
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If *NAME is "", use environment variables as specified by POSIX,
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and fill in *NAME with the actual name used. The directories
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listed in LOCALE_PATH are searched for the locale files. */
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extern const struct locale_data *_nl_find_locale (const char *locale_path,
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size_t locale_path_len,
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int category, char **name);
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/* Try to load the file described by FILE. */
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extern void _nl_load_locale (struct loaded_l10nfile *file, int category);
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/* Return `era' entry which corresponds to TP. Used in strftime. */
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struct era_entry *_nl_get_era_entry (const struct tm *tp);
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/* Return `alt_digit' which corresponds to NUMBER. Used in strftime. */
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const char *_nl_get_alt_digit (unsigned int number);
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/* Global variables for LC_COLLATE category data. */
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extern const u_int32_t *__collate_table;
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extern const u_int32_t *__collate_extra;
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extern const u_int32_t *__collate_element_hash;
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extern const char *__collate_element_strings;
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extern const wchar_t *__collate_element_values;
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extern const u_int32_t *__collate_symbol_hash;
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extern const char *__collate_symbol_strings;
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extern const u_int32_t *__collate_symbol_classes;
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#endif /* localeinfo.h */
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