148 lines
5.5 KiB
C
148 lines
5.5 KiB
C
/* Localization <locale.h>
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This file is part of the Public Domain C Library (PDCLib).
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Permission is granted to use, modify, and / or redistribute at will.
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*/
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#ifndef _PDCLIB_LOCALE_H
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#define _PDCLIB_LOCALE_H _PDCLIB_LOCALE_H
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#include "_PDCLIB_int.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _PDCLIB_NULL_DEFINED
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#define _PDCLIB_NULL_DEFINED _PDCLIB_NULL_DEFINED
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#define NULL _PDCLIB_NULL
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#endif
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/* The structure returned by localeconv().
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The values for *_sep_by_space:
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0 - no space
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1 - if symbol and sign are adjacent, a space seperates them from the value;
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otherwise a space seperates the symbol from the value
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2 - if symbol and sign are adjacent, a space seperates them; otherwise a
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space seperates the sign from the value
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The values for *_sign_posn:
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0 - Parentheses surround value and symbol
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1 - sign precedes value and symbol
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2 - sign succeeds value and symbol
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3 - sign immediately precedes symbol
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4 - sign immediately succeeds symbol
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*/
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struct lconv
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{
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char * decimal_point; /* decimal point character */
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char * thousands_sep; /* character for seperating groups of digits */
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char * grouping; /* string indicating the size of digit groups */
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char * mon_decimal_point; /* decimal point for monetary quantities */
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char * mon_thousands_sep; /* thousands_sep for monetary quantities */
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char * mon_grouping; /* grouping for monetary quantities */
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char * positive_sign; /* string indicating nonnegative mty. qty. */
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char * negative_sign; /* string indicating negative mty. qty. */
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char * currency_symbol; /* local currency symbol (e.g. '$') */
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char * int_curr_symbol; /* international currency symbol (e.g. "USD" */
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char frac_digits; /* fractional digits in local monetary qty. */
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char p_cs_precedes; /* if currency_symbol precedes positive qty. */
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char n_cs_precedes; /* if currency_symbol precedes negative qty. */
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char p_sep_by_space; /* if it is seperated by space from pos. qty. */
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char n_sep_by_space; /* if it is seperated by space from neg. qty. */
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char p_sign_posn; /* positioning of positive_sign for mon. qty. */
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char n_sign_posn; /* positioning of negative_sign for mon. qty. */
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char int_frac_digits; /* Same as above, for international format */
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char int_p_cs_precedes; /* Same as above, for international format */
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char int_n_cs_precedes; /* Same as above, for international format */
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char int_p_sep_by_space; /* Same as above, for international format */
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char int_n_sep_by_space; /* Same as above, for international format */
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char int_p_sign_posn; /* Same as above, for international format */
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char int_n_sign_posn; /* Same as above, for international format */
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};
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/* First arguments to setlocale().
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TODO: Beware, values might change before v0.6 is released.
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*/
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/* Entire locale */
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#define LC_ALL -1
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/* Collation (strcoll(), strxfrm()) */
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#define LC_COLLATE 0
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/* Character types (<ctype.h>) */
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#define LC_CTYPE 1
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/* Monetary formatting (as returned by localeconv) */
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#define LC_MONETARY 2
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/* Decimal-point character (for printf() / scanf() functions), string
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conversions, nonmonetary formatting as returned by localeconv */
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#define LC_NUMERIC 3
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/* Time formats (strftime(), wcsftime()) */
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#define LC_TIME 4
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/* not supported! */
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#define LC_MESSAGES 5
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/* The category parameter can be any of the LC_* macros to specify if the call
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to setlocale() shall affect the entire locale or only a portion thereof.
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The category locale specifies which locale should be switched to, with "C"
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being the minimal default locale, and "" being the locale-specific native
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environment. A NULL pointer makes setlocale() return the *current* setting.
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Otherwise, returns a pointer to a string associated with the specified
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category for the new locale.
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*/
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char * setlocale( int category, const char * locale ) _PDCLIB_nothrow;
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/* Returns a struct lconv initialized to the values appropriate for the current
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locale setting.
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*/
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struct lconv * localeconv( void ) _PDCLIB_nothrow;
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#if _PDCLIB_POSIX_MIN(2008)
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#define LC_COLLATE_MASK (1 << LC_COLLATE)
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#define LC_CTYPE_MASK (1 << LC_CTYPE)
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#define LC_MONETARY_MASK (1 << LC_MONETARY)
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#define LC_NUMERIC_MASK (1 << LC_NUMERIC)
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#define LC_TIME_MASK (1 << LC_TIME)
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#define LC_MESSAGES_MASK (1 << LC_MESSAGES)
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#define LC_ALL_MASK (LC_COLLATE_MASK | LC_CTYPE_MASK | LC_MONETARY_MASK | \
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LC_NUMERIC_MASK | LC_TIME_MASK | LC_MESSAGES_MASK)
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/* POSIX locale type */
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typedef _PDCLIB_locale_t locale_t;
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/* Global locale */
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extern struct _PDCLIB_locale _PDCLIB_global_locale;
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#define LC_GLOBAL_LOCALE (&_PDCLIB_global_locale)
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#ifdef _PDCLIB_LOCALE_METHOD
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locale_t newlocale(int category_mask, const char *locale, locale_t base);
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/* Set the thread locale to newlocale
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*
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* If newlocale is (locale_t)0, then doesn't change the locale and just returns
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* the existing locale.
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*
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* If newlocale is LC_GLOBAL_LOCALE, resets the thread's locale to use the
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* global locale.
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*
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* Returns the previous thread locale. If the thread had no previous locale,
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* returns the global locale.
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*/
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locale_t uselocale( locale_t newlocale );
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/* Returns a copy of loc */
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locale_t duplocale( locale_t loc );
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/* Frees the passed locale object */
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void freelocale( locale_t loc );
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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