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001: /* Copyright (C) 1991,1992,1995-2002,2007,2009 Free Software Foundation, Inc.
002:    This file is part of the GNU C Library.
003: 
004:    The GNU C Library is free software; you can redistribute it and/or
005:    modify it under the terms of the GNU Lesser General Public
006:    License as published by the Free Software Foundation; either
007:    version 2.1 of the License, or (at your option) any later version.
008: 
009:    The GNU C Library is distributed in the hope that it will be useful,
010:    but WITHOUT ANY WARRANTY; without even the implied warranty of
011:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:    Lesser General Public License for more details.
013: 
014:    You should have received a copy of the GNU Lesser General Public
015:    License along with the GNU C Library; if not, write to the Free
016:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
017:    02111-1307 USA.  */
018: 
019: /*
020:  *      ISO C99 Standard: 7.11 Localization     <locale.h>
021:  */
022: 
023: #ifndef _LOCALE_H
024: #define _LOCALE_H       1
025: 
026: #include <features.h>
027: 
028: #define __need_NULL
029: #include <stddef.h>
030: #include <bits/locale.h>
031: 
032: __BEGIN_DECLS
033: 
034: /* These are the possibilities for the first argument to setlocale.
035:    The code assumes that the lowest LC_* symbol has the value zero.  */
036: #define LC_CTYPE          __LC_CTYPE
037: #define LC_NUMERIC        __LC_NUMERIC
038: #define LC_TIME           __LC_TIME
039: #define LC_COLLATE        __LC_COLLATE
040: #define LC_MONETARY       __LC_MONETARY
041: #define LC_MESSAGES       __LC_MESSAGES
042: #define LC_ALL            __LC_ALL
043: #define LC_PAPER          __LC_PAPER
044: #define LC_NAME           __LC_NAME
045: #define LC_ADDRESS        __LC_ADDRESS
046: #define LC_TELEPHONE      __LC_TELEPHONE
047: #define LC_MEASUREMENT    __LC_MEASUREMENT
048: #define LC_IDENTIFICATION __LC_IDENTIFICATION
049: 
050: 
051: __BEGIN_NAMESPACE_STD
052: 
053: /* Structure giving information about numeric and monetary notation.  */
054: struct lconv
055: {
056:   /* Numeric (non-monetary) information.  */
057: 
058:   char *decimal_point;          /* Decimal point character.  */
059:   char *thousands_sep;          /* Thousands separator.  */
060:   /* Each element is the number of digits in each group;
061:      elements with higher indices are farther left.
062:      An element with value CHAR_MAX means that no further grouping is done.
063:      An element with value 0 means that the previous element is used
064:      for all groups farther left.  */
065:   char *grouping;
066: 
067:   /* Monetary information.  */
068: 
069:   /* First three chars are a currency symbol from ISO 4217.
070:      Fourth char is the separator.  Fifth char is '\0'.  */
071:   char *int_curr_symbol;
072:   char *currency_symbol;        /* Local currency symbol.  */
073:   char *mon_decimal_point;      /* Decimal point character.  */
074:   char *mon_thousands_sep;      /* Thousands separator.  */
075:   char *mon_grouping;           /* Like `grouping' element (above).  */
076:   char *positive_sign;          /* Sign for positive values.  */
077:   char *negative_sign;          /* Sign for negative values.  */
078:   char int_frac_digits;         /* Int'l fractional digits.  */
079:   char frac_digits;             /* Local fractional digits.  */
080:   /* 1 if currency_symbol precedes a positive value, 0 if succeeds.  */
081:   char p_cs_precedes;
082:   /* 1 iff a space separates currency_symbol from a positive value.  */
083:   char p_sep_by_space;
084:   /* 1 if currency_symbol precedes a negative value, 0 if succeeds.  */
085:   char n_cs_precedes;
086:   /* 1 iff a space separates currency_symbol from a negative value.  */
087:   char n_sep_by_space;
088:   /* Positive and negative sign positions:
089:      0 Parentheses surround the quantity and currency_symbol.
090:      1 The sign string precedes the quantity and currency_symbol.
091:      2 The sign string follows the quantity and currency_symbol.
092:      3 The sign string immediately precedes the currency_symbol.
093:      4 The sign string immediately follows the currency_symbol.  */
094:   char p_sign_posn;
095:   char n_sign_posn;
096: #ifdef __USE_ISOC99
097:   /* 1 if int_curr_symbol precedes a positive value, 0 if succeeds.  */
098:   char int_p_cs_precedes;
099:   /* 1 iff a space separates int_curr_symbol from a positive value.  */
100:   char int_p_sep_by_space;
101:   /* 1 if int_curr_symbol precedes a negative value, 0 if succeeds.  */
102:   char int_n_cs_precedes;
103:   /* 1 iff a space separates int_curr_symbol from a negative value.  */
104:   char int_n_sep_by_space;
105:   /* Positive and negative sign positions:
106:      0 Parentheses surround the quantity and int_curr_symbol.
107:      1 The sign string precedes the quantity and int_curr_symbol.
108:      2 The sign string follows the quantity and int_curr_symbol.
109:      3 The sign string immediately precedes the int_curr_symbol.
110:      4 The sign string immediately follows the int_curr_symbol.  */
111:   char int_p_sign_posn;
112:   char int_n_sign_posn;
113: #else
114:   char __int_p_cs_precedes;
115:   char __int_p_sep_by_space;
116:   char __int_n_cs_precedes;
117:   char __int_n_sep_by_space;
118:   char __int_p_sign_posn;
119:   char __int_n_sign_posn;
120: #endif
121: };
122: 
123: 
124: /* Set and/or return the current locale.  */
125: extern char *setlocale (int __category, __const char *__locale) __THROW;
126: 
127: /* Return the numeric/monetary information for the current locale.  */
128: extern struct lconv *localeconv (void) __THROW;
129: 
130: __END_NAMESPACE_STD
131: 
132: 
133: #ifdef  __USE_XOPEN2K8
134: /* The concept of one static locale per category is not very well
135:    thought out.  Many applications will need to process its data using
136:    information from several different locales.  Another application is
137:    the implementation of the internationalization handling in the
138:    upcoming ISO C++ standard library.  To support this another set of
139:    the functions using locale data exist which have an additional
140:    argument.
141: 
142:    Attention: all these functions are *not* standardized in any form.
143:    This is a proof-of-concept implementation.  */
144: 
145: /* Get locale datatype definition.  */
146: # include <xlocale.h>
147: 
148: /* Return a reference to a data structure representing a set of locale
149:    datasets.  Unlike for the CATEGORY parameter for `setlocale' the
150:    CATEGORY_MASK parameter here uses a single bit for each category,
151:    made by OR'ing together LC_*_MASK bits above.  */
152: extern __locale_t newlocale (int __category_mask, __const char *__locale,
153:                              __locale_t __base) __THROW;
154: 
155: /* These are the bits that can be set in the CATEGORY_MASK argument to
156:    `newlocale'.  In the GNU implementation, LC_FOO_MASK has the value
157:    of (1 << LC_FOO), but this is not a part of the interface that
158:    callers can assume will be true.  */
159: # define LC_CTYPE_MASK          (1 << __LC_CTYPE)
160: # define LC_NUMERIC_MASK        (1 << __LC_NUMERIC)
161: # define LC_TIME_MASK           (1 << __LC_TIME)
162: # define LC_COLLATE_MASK        (1 << __LC_COLLATE)
163: # define LC_MONETARY_MASK       (1 << __LC_MONETARY)
164: # define LC_MESSAGES_MASK       (1 << __LC_MESSAGES)
165: # define LC_PAPER_MASK          (1 << __LC_PAPER)
166: # define LC_NAME_MASK           (1 << __LC_NAME)
167: # define LC_ADDRESS_MASK        (1 << __LC_ADDRESS)
168: # define LC_TELEPHONE_MASK      (1 << __LC_TELEPHONE)
169: # define LC_MEASUREMENT_MASK    (1 << __LC_MEASUREMENT)
170: # define LC_IDENTIFICATION_MASK (1 << __LC_IDENTIFICATION)
171: # define LC_ALL_MASK            (LC_CTYPE_MASK \
172:                                  | LC_NUMERIC_MASK \
173:                                  | LC_TIME_MASK \
174:                                  | LC_COLLATE_MASK \
175:                                  | LC_MONETARY_MASK \
176:                                  | LC_MESSAGES_MASK \
177:                                  | LC_PAPER_MASK \
178:                                  | LC_NAME_MASK \
179:                                  | LC_ADDRESS_MASK \
180:                                  | LC_TELEPHONE_MASK \
181:                                  | LC_MEASUREMENT_MASK \
182:                                  | LC_IDENTIFICATION_MASK \
183:                                  )
184: 
185: /* Return a duplicate of the set of locale in DATASET.  All usage
186:    counters are increased if necessary.  */
187: extern __locale_t duplocale (__locale_t __dataset) __THROW;
188: 
189: /* Free the data associated with a locale dataset previously returned
190:    by a call to `setlocale_r'.  */
191: extern void freelocale (__locale_t __dataset) __THROW;
192: 
193: /* Switch the current thread's locale to DATASET.
194:    If DATASET is null, instead just return the current setting.
195:    The special value LC_GLOBAL_LOCALE is the initial setting
196:    for all threads and can also be installed any time, meaning
197:    the thread uses the global settings controlled by `setlocale'.  */
198: extern __locale_t uselocale (__locale_t __dataset) __THROW;
199: 
200: /* This value can be passed to `uselocale' and may be returned by it.
201:    Passing this value to any other function has undefined behavior.  */
202: # define LC_GLOBAL_LOCALE       ((__locale_t) -1L)
203: 
204: #endif
205: 
206: __END_DECLS
207: 
208: #endif /* locale.h  */
209: 

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