1 /* Copyright (C) 1991,92,1995-1999,2000,2001 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 /* 20 * ISO C99 Standard: 7.11 Localization <locale.h> 21 */ 22 23 #ifndef _LOCALE_H 24 #define _LOCALE_H 1 25 26 #include <features.h> 27 28 #define __need_NULL 29 #include <stddef.h> 30 #include <bits/locale.h> 31 32 __BEGIN_DECLS 33 34 /* These are the possibilities for the first argument to setlocale. 35 The code assumes that the lowest LC_* symbol has the value zero. */ 36 #define LC_CTYPE __LC_CTYPE 37 #define LC_NUMERIC __LC_NUMERIC 38 #define LC_TIME __LC_TIME 39 #define LC_COLLATE __LC_COLLATE 40 #define LC_MONETARY __LC_MONETARY 41 #define LC_MESSAGES __LC_MESSAGES 42 #define LC_ALL __LC_ALL 43 44 45 /* Structure giving information about numeric and monetary notation. */ 46 struct lconv 47 { 48 /* Numeric (non-monetary) information. */ 49 50 char *decimal_point; /* Decimal point character. */ 51 char *thousands_sep; /* Thousands separator. */ 52 /* Each element is the number of digits in each group; 53 elements with higher indices are farther left. 54 An element with value CHAR_MAX means that no further grouping is done. 55 An element with value 0 means that the previous element is used 56 for all groups farther left. */ 57 char *grouping; 58 59 /* Monetary information. */ 60 61 /* First three chars are a currency symbol from ISO 4217. 62 Fourth char is the separator. Fifth char is '\0'. */ 63 char *int_curr_symbol; 64 char *currency_symbol; /* Local currency symbol. */ 65 char *mon_decimal_point; /* Decimal point character. */ 66 char *mon_thousands_sep; /* Thousands separator. */ 67 char *mon_grouping; /* Like `grouping' element (above). */ 68 char *positive_sign; /* Sign for positive values. */ 69 char *negative_sign; /* Sign for negative values. */ 70 char int_frac_digits; /* Int'l fractional digits. */ 71 char frac_digits; /* Local fractional digits. */ 72 /* 1 if currency_symbol precedes a positive value, 0 if succeeds. */ 73 char p_cs_precedes; 74 /* 1 iff a space separates currency_symbol from a positive value. */ 75 char p_sep_by_space; 76 /* 1 if currency_symbol precedes a negative value, 0 if succeeds. */ 77 char n_cs_precedes; 78 /* 1 iff a space separates currency_symbol from a negative value. */ 79 char n_sep_by_space; 80 /* Positive and negative sign positions: 81 0 Parentheses surround the quantity and currency_symbol. 82 1 The sign string precedes the quantity and currency_symbol. 83 2 The sign string follows the quantity and currency_symbol. 84 3 The sign string immediately precedes the currency_symbol. 85 4 The sign string immediately follows the currency_symbol. */ 86 char p_sign_posn; 87 char n_sign_posn; 88 #ifdef __USE_ISOC99 89 /* 1 if int_curr_symbol precedes a positive value, 0 if succeeds. */ 90 char int_p_cs_precedes; 91 /* 1 iff a space separates int_curr_symbol from a positive value. */ 92 char int_p_sep_by_space; 93 /* 1 if int_curr_symbol precedes a negative value, 0 if succeeds. */ 94 char int_n_cs_precedes; 95 /* 1 iff a space separates int_curr_symbol from a negative value. */ 96 char int_n_sep_by_space; 97 /* Positive and negative sign positions: 98 0 Parentheses surround the quantity and int_curr_symbol. 99 1 The sign string precedes the quantity and int_curr_symbol. 100 2 The sign string follows the quantity and int_curr_symbol. 101 3 The sign string immediately precedes the int_curr_symbol. 102 4 The sign string immediately follows the int_curr_symbol. */ 103 char int_p_sign_posn; 104 char int_n_sign_posn; 105 #else 106 char __int_p_cs_precedes; 107 char __int_p_sep_by_space; 108 char __int_n_cs_precedes; 109 char __int_n_sep_by_space; 110 char __int_p_sign_posn; 111 char __int_n_sign_posn; 112 #endif 113 }; 114 115 116 /* Set and/or return the current locale. */ 117 extern char *setlocale (int __category, __const char *__locale) __THROW; 118 119 /* Return the numeric/monetary information for the current locale. */ 120 extern struct lconv *localeconv (void) __THROW; 121 122 #ifdef __USE_GNU 123 /* The concept of one static locale per category is not very well 124 thought out. Many applications will need to process its data using 125 information from several different locales. Another application is 126 the implementation of the internationalization handling in the 127 upcoming ISO C++ standard library. To support this another set of 128 the functions using locale data exist which have an additional 129 argument. 130 131 Attention: all these functions are *not* standardized in any form. 132 This is a proof-of-concept implementation. */ 133 134 /* Get locale datatype definition. */ 135 # include <xlocale.h> 136 137 /* Return a reference to a data structure representing a set of locale 138 datasets. Unlike for the CATEGORY parameter for `setlocale' the 139 CATEGORY_MASK parameter here uses a single bit for each category. 140 I.e., 1 << LC_CTYPE means to load data for this category. If 141 BASE is non-null the appropriate category information in the BASE 142 record is replaced. */ 143 extern __locale_t __newlocale (int __category_mask, __const char *__locale, 144 __locale_t __base) __THROW; 145 146 /* Return a duplicate of the set of locale in DATASET. All usage 147 counters are increased if necessary. */ 148 extern __locale_t __duplocale (__locale_t __dataset) __THROW; 149 150 /* Free the data associated with a locale dataset previously returned 151 by a call to `setlocale_r'. */ 152 extern void __freelocale (__locale_t __dataset) __THROW; 153 #endif 154 155 __END_DECLS 156 157 #endif /* locale.h */ 158