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Diffstat (limited to 'libc/misc/locale/localeinfo.h')
| -rw-r--r-- | libc/misc/locale/localeinfo.h | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/libc/misc/locale/localeinfo.h b/libc/misc/locale/localeinfo.h new file mode 100644 index 000000000..35412c792 --- /dev/null +++ b/libc/misc/locale/localeinfo.h @@ -0,0 +1,165 @@ +/* localeinfo.h -- declarations for internal libc locale interfaces + Copyright (C) 1995, 1996, 1997, 1999 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _LOCALEINFO_H +#define _LOCALEINFO_H 1 + +#include <stddef.h> +#include <limits.h> +#include <time.h> +#include <sys/types.h> +#include <locale.h> +#include <langinfo.h> + + +//#include "../intl/loadinfo.h" /* For loaded_l10nfile definition. */ + +/* Magic number at the beginning of a locale data file for CATEGORY. */ +#define LIMAGIC(category) (0x960617de ^ (category)) + +/* Two special weight constants for the collation data. */ +#define FORWARD_CHAR ((wchar_t) 0xfffffffd) +#define ELLIPSIS_CHAR ((wchar_t) 0xfffffffe) +#define IGNORE_CHAR ((wchar_t) 0xffffffff) + +/* We use a special value for the usage counter in `locale_data' to + signal that this data must never be removed anymore. */ +#define MAX_USAGE_COUNT (UINT_MAX - 1) +#define UNDELETABLE UINT_MAX + +/* Structure describing locale data in core for a category. */ +struct locale_data +{ + const char *name; + const char *filedata; /* Region mapping the file data. */ + off_t filesize; /* Size of the file (and the region). */ + int mmaped; /* If nonzero the data is mmaped. */ + + unsigned int usage_count; /* Counter for users. */ + + unsigned int nstrings; /* Number of strings below. */ + union locale_data_value + { + const wchar_t *wstr; + const char *string; + unsigned int word; + } + values[0]; /* Items, usually pointers into `filedata'. */ +}; + +/* We know three kinds of collation sorting rules. */ +enum coll_sort_rule +{ + illegal_0__, + sort_forward, + sort_backward, + illegal_3__, + sort_position, + sort_forward_position, + sort_backward_position, + sort_mask +}; + +/* We can map the types of the entries into a few categories. */ +enum value_type +{ + none, + string, + stringarray, + byte, + bytearray, + word, + stringlist +}; + + +/* Structure to access `era' information from LC_TIME. */ +struct era_entry +{ + u_int32_t direction; /* Contains '+' or '-'. */ + int32_t offset; + int32_t start_date[3]; + int32_t stop_date[3]; + const char name_fmt[0]; +}; + + +/* For each category declare the variable for the current locale data. */ +#define DEFINE_CATEGORY(category, category_name, items, a, b, c, d) \ +extern struct locale_data *_nl_current_##category; +#include "categories.c" +#undef DEFINE_CATEGORY + +extern const char _nl_category_names[LC_ALL + 1][16]; +extern const size_t _nl_category_name_sizes[LC_ALL + 1]; +extern struct locale_data * *const _nl_current[LC_ALL + 1]; + +/* Name of the standard locales. */ +extern const char _nl_C_name[]; +extern const char _nl_POSIX_name[]; + +/* Extract the current CATEGORY locale's string for ITEM. */ +#define _NL_CURRENT(category, item) \ + (_nl_current_##category->values[_NL_ITEM_INDEX (item)].string) + +/* Extract the current CATEGORY locale's word for ITEM. */ +#define _NL_CURRENT_WORD(category, item) \ + (_nl_current_##category->values[_NL_ITEM_INDEX (item)].word) + +/* This is used in lc-CATEGORY.c to define _nl_current_CATEGORY. */ +#define _NL_CURRENT_DEFINE(category) \ + extern struct locale_data _nl_C_##category; \ + struct locale_data *_nl_current_##category = &_nl_C_##category + +/* Load the locale data for CATEGORY from the file specified by *NAME. + If *NAME is "", use environment variables as specified by POSIX, + and fill in *NAME with the actual name used. The directories + listed in LOCALE_PATH are searched for the locale files. */ +extern struct locale_data *_nl_find_locale (const char *locale_path, + size_t locale_path_len, + int category, const char **name); + +/* Try to load the file described by FILE. */ +//extern void _nl_load_locale (struct loaded_l10nfile *file, int category); + +/* Free all resource. */ +extern void _nl_unload_locale (struct locale_data *locale); + +/* Free the locale and give back all memory if the usage count is one. */ +extern void _nl_remove_locale (int locale, struct locale_data *data); + + +/* Return `era' entry which corresponds to TP. Used in strftime. */ +extern struct era_entry *_nl_get_era_entry (const struct tm *tp); + +/* Return `alt_digit' which corresponds to NUMBER. Used in strftime. */ +extern const char *_nl_get_alt_digit (unsigned int number); + + +/* Global variables for LC_COLLATE category data. */ +extern const u_int32_t *__collate_table; +extern const u_int32_t *__collate_extra; +extern const u_int32_t *__collate_element_hash; +extern const char *__collate_element_strings; +extern const wchar_t *__collate_element_values; +extern const u_int32_t *__collate_symbol_hash; +extern const char *__collate_symbol_strings; +extern const u_int32_t *__collate_symbol_classes; + +#endif /* localeinfo.h */ |