locale.h
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- /* Copyright (C) 1991,92,95-99,2000,01,02 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- /*
- * ISO C99 Standard: 7.11 Localization <locale.h>
- */
- #ifndef _LOCALE_H
- #define _LOCALE_H 1
- #include <features.h>
- #define __need_NULL
- #include <stddef.h>
- #include <bits/locale.h>
- __BEGIN_DECLS
- /* These are the possibilities for the first argument to setlocale.
- The code assumes that the lowest LC_* symbol has the value zero. */
- #define LC_CTYPE __LC_CTYPE
- #define LC_NUMERIC __LC_NUMERIC
- #define LC_TIME __LC_TIME
- #define LC_COLLATE __LC_COLLATE
- #define LC_MONETARY __LC_MONETARY
- #define LC_MESSAGES __LC_MESSAGES
- #define LC_ALL __LC_ALL
- #define LC_PAPER __LC_PAPER
- #define LC_NAME __LC_NAME
- #define LC_ADDRESS __LC_ADDRESS
- #define LC_TELEPHONE __LC_TELEPHONE
- #define LC_MEASUREMENT __LC_MEASUREMENT
- #define LC_IDENTIFICATION __LC_IDENTIFICATION
- /* Structure giving information about numeric and monetary notation. */
- struct lconv
- {
- /* Numeric (non-monetary) information. */
- char *decimal_point; /* Decimal point character. */
- char *thousands_sep; /* Thousands separator. */
- /* Each element is the number of digits in each group;
- elements with higher indices are farther left.
- An element with value CHAR_MAX means that no further grouping is done.
- An element with value 0 means that the previous element is used
- for all groups farther left. */
- char *grouping;
- /* Monetary information. */
- /* First three chars are a currency symbol from ISO 4217.
- Fourth char is the separator. Fifth char is ' '. */
- char *int_curr_symbol;
- char *currency_symbol; /* Local currency symbol. */
- char *mon_decimal_point; /* Decimal point character. */
- char *mon_thousands_sep; /* Thousands separator. */
- char *mon_grouping; /* Like `grouping' element (above). */
- char *positive_sign; /* Sign for positive values. */
- char *negative_sign; /* Sign for negative values. */
- char int_frac_digits; /* Int'l fractional digits. */
- char frac_digits; /* Local fractional digits. */
- /* 1 if currency_symbol precedes a positive value, 0 if succeeds. */
- char p_cs_precedes;
- /* 1 iff a space separates currency_symbol from a positive value. */
- char p_sep_by_space;
- /* 1 if currency_symbol precedes a negative value, 0 if succeeds. */
- char n_cs_precedes;
- /* 1 iff a space separates currency_symbol from a negative value. */
- char n_sep_by_space;
- /* Positive and negative sign positions:
- 0 Parentheses surround the quantity and currency_symbol.
- 1 The sign string precedes the quantity and currency_symbol.
- 2 The sign string follows the quantity and currency_symbol.
- 3 The sign string immediately precedes the currency_symbol.
- 4 The sign string immediately follows the currency_symbol. */
- char p_sign_posn;
- char n_sign_posn;
- #ifdef __USE_ISOC99
- /* 1 if int_curr_symbol precedes a positive value, 0 if succeeds. */
- char int_p_cs_precedes;
- /* 1 iff a space separates int_curr_symbol from a positive value. */
- char int_p_sep_by_space;
- /* 1 if int_curr_symbol precedes a negative value, 0 if succeeds. */
- char int_n_cs_precedes;
- /* 1 iff a space separates int_curr_symbol from a negative value. */
- char int_n_sep_by_space;
- /* Positive and negative sign positions:
- 0 Parentheses surround the quantity and int_curr_symbol.
- 1 The sign string precedes the quantity and int_curr_symbol.
- 2 The sign string follows the quantity and int_curr_symbol.
- 3 The sign string immediately precedes the int_curr_symbol.
- 4 The sign string immediately follows the int_curr_symbol. */
- char int_p_sign_posn;
- char int_n_sign_posn;
- #else
- char __int_p_cs_precedes;
- char __int_p_sep_by_space;
- char __int_n_cs_precedes;
- char __int_n_sep_by_space;
- char __int_p_sign_posn;
- char __int_n_sign_posn;
- #endif
- };
- __BEGIN_NAMESPACE_STD
- /* Set and/or return the current locale. */
- extern char *setlocale (int __category, __const char *__locale) __THROW;
- /* Return the numeric/monetary information for the current locale. */
- extern struct lconv *localeconv (void) __THROW;
- __END_NAMESPACE_STD
- #ifdef __USE_GNU
- /* The concept of one static locale per category is not very well
- thought out. Many applications will need to process its data using
- information from several different locales. Another application is
- the implementation of the internationalization handling in the
- upcoming ISO C++ standard library. To support this another set of
- the functions using locale data exist which have an additional
- argument.
- Attention: all these functions are *not* standardized in any form.
- This is a proof-of-concept implementation. */
- /* Get locale datatype definition. */
- # include <xlocale.h>
- typedef __locale_t locale_t;
- /* Return a reference to a data structure representing a set of locale
- datasets. Unlike for the CATEGORY parameter for `setlocale' the
- CATEGORY_MASK parameter here uses a single bit for each category,
- made by OR'ing together LC_*_MASK bits above. */
- extern __locale_t newlocale (int __category_mask, __const char *__locale,
- __locale_t __base) __THROW;
- /* These are the bits that can be set in the CATEGORY_MASK argument to
- `newlocale'. In the GNU implementation, LC_FOO_MASK has the value
- of (1 << LC_FOO), but this is not a part of the interface that
- callers can assume will be true. */
- # define LC_CTYPE_MASK (1 << __LC_CTYPE)
- # define LC_NUMERIC_MASK (1 << __LC_NUMERIC)
- # define LC_TIME_MASK (1 << __LC_TIME)
- # define LC_COLLATE_MASK (1 << __LC_COLLATE)
- # define LC_MONETARY_MASK (1 << __LC_MONETARY)
- # define LC_MESSAGES_MASK (1 << __LC_MESSAGES)
- # define LC_PAPER_MASK (1 << __LC_PAPER)
- # define LC_NAME_MASK (1 << __LC_NAME)
- # define LC_ADDRESS_MASK (1 << __LC_ADDRESS)
- # define LC_TELEPHONE_MASK (1 << __LC_TELEPHONE)
- # define LC_MEASUREMENT_MASK (1 << __LC_MEASUREMENT)
- # define LC_IDENTIFICATION_MASK (1 << __LC_IDENTIFICATION)
- # define LC_ALL_MASK (LC_CTYPE_MASK
- | LC_NUMERIC_MASK
- | LC_TIME_MASK
- | LC_COLLATE_MASK
- | LC_MONETARY_MASK
- | LC_MESSAGES_MASK
- | LC_PAPER_MASK
- | LC_NAME_MASK
- | LC_ADDRESS_MASK
- | LC_TELEPHONE_MASK
- | LC_MEASUREMENT_MASK
- | LC_IDENTIFICATION_MASK
- )
- /* Return a duplicate of the set of locale in DATASET. All usage
- counters are increased if necessary. */
- extern __locale_t duplocale (__locale_t __dataset) __THROW;
- /* Free the data associated with a locale dataset previously returned
- by a call to `setlocale_r'. */
- extern void freelocale (__locale_t __dataset) __THROW;
- /* Switch the current thread's locale to DATASET.
- If DATASET is null, instead just return the current setting.
- The special value LC_GLOBAL_LOCALE is the initial setting
- for all threads and can also be installed any time, meaning
- the thread uses the global settings controlled by `setlocale'. */
- extern __locale_t uselocale (__locale_t __dataset) __THROW;
- /* This value can be passed to `uselocale' and may be returned by it.
- Passing this value to any other function has undefined behavior. */
- # define LC_GLOBAL_LOCALE ((__locale_t) -1L)
- #endif
- __END_DECLS
- #endif /* locale.h */