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Edit File: locale.h
/* Copyright (C) 1991-2021 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, see <https://www.gnu.org/licenses/>. */ /* * 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 '\0'. */ 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 }; /* 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; #ifdef __USE_XOPEN2K8 /* POSIX.1-2008 extends the locale interface with functions for explicit creation and manipulation of 'locale_t' objects representing locale contexts, and a set of parallel locale-sensitive text processing functions that take a locale_t argument. This enables applications to work with data from multiple locales simultaneously and thread-safely. */ # include <bits/types/locale_t.h> /* 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 */