[apple/libc.git] / locale / localeconv-fbsd.c

/*
 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)localeconv.c	8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/locale/localeconv.c,v 1.13 2003/06/26 10:46:16 phantom Exp $");

#include "xlocale_private.h"

#include <limits.h>
#include <locale.h>

#include "lmonetary.h"
#include "lnumeric.h"

#ifdef __APPLE_PR3417676_HACK__
/*------------------------------------------------------------------------
 * PR-3417676: We need to provide a way to force "C" locale style number
 * formatting independent of the locale setting.  We provide private
 * routines to get and set a flag that tells localeconv() to either return
 * a "C" struct lconv, or the one dependent on the actual locale.
 *------------------------------------------------------------------------*/
static char empty[] = "";
static char numempty[] = { CHAR_MAX, '\0' };

/*
 * Default (C) locale conversion.
 */
static struct lconv _C_lconv = {
	".",			/* decimal_point */
	empty,			/* thousands_sep */
	numempty,		/* grouping */
	empty,			/* int_curr_symbol */
	empty,			/* currency_symbol */
	empty,			/* mon_decimal_point */
	empty,			/* mon_thousands_sep */
	numempty,		/* mon_grouping */
	empty,			/* positive_sign */
	empty,			/* negative_sign */
	CHAR_MAX,		/* int_frac_digits */
	CHAR_MAX,		/* frac_digits */
	CHAR_MAX,		/* p_cs_precedes */
	CHAR_MAX,		/* p_sep_by_space */
	CHAR_MAX,		/* n_cs_precedes */
	CHAR_MAX,		/* n_sep_by_space */
	CHAR_MAX,		/* p_sign_posn */
	CHAR_MAX,		/* n_sign_posn */
	CHAR_MAX,		/* int_p_cs_precedes */
	CHAR_MAX,		/* int_n_cs_precedes */
	CHAR_MAX,		/* int_p_sep_by_space */
	CHAR_MAX,		/* int_n_sep_by_space */
	CHAR_MAX,		/* int_p_sign_posn */
	CHAR_MAX,		/* int_n_sign_posn */
};
static int _onlyClocaleconv = 0;

int
__getonlyClocaleconv(void)
{
    return _onlyClocaleconv;
}

int
__setonlyClocaleconv(int val)
{
    int prev = _onlyClocaleconv;

    _onlyClocaleconv = val;
    return prev;
}
#endif /* __APPLE_PR3417676_HACK__ */

/* 
 * The localeconv() function constructs a struct lconv from the current
 * monetary and numeric locales.
 *
 * Because localeconv() may be called many times (especially by library
 * routines like printf() & strtod()), the approprate members of the 
 * lconv structure are computed only when the monetary or numeric 
 * locale has been changed.
 */

/*
 * Return the current locale conversion.
 */
struct lconv *
localeconv_l(locale_t loc)
{
    struct lconv *lc;

    NORMALIZE_LOCALE(loc);

    if (loc->__mlocale_changed) {
      XL_LOCK(loc);
      if (loc->__mlocale_changed) {
	/* LC_MONETARY part */
        struct lc_monetary_T * mptr; 
	struct lconv *lc = &loc->__lc_localeconv;

#define M_ASSIGN_STR(NAME) (lc->NAME = (char*)mptr->NAME)
#define M_ASSIGN_CHAR(NAME) (lc->NAME = mptr->NAME[0])

	mptr = __get_current_monetary_locale(loc);
	M_ASSIGN_STR(int_curr_symbol);
	M_ASSIGN_STR(currency_symbol);
	M_ASSIGN_STR(mon_decimal_point);
	M_ASSIGN_STR(mon_thousands_sep);
	M_ASSIGN_STR(mon_grouping);
	M_ASSIGN_STR(positive_sign);
	M_ASSIGN_STR(negative_sign);
	M_ASSIGN_CHAR(int_frac_digits);
	M_ASSIGN_CHAR(frac_digits);
	M_ASSIGN_CHAR(p_cs_precedes);
	M_ASSIGN_CHAR(p_sep_by_space);
	M_ASSIGN_CHAR(n_cs_precedes);
	M_ASSIGN_CHAR(n_sep_by_space);
	M_ASSIGN_CHAR(p_sign_posn);
	M_ASSIGN_CHAR(n_sign_posn);
	M_ASSIGN_CHAR(int_p_cs_precedes);
	M_ASSIGN_CHAR(int_n_cs_precedes);
	M_ASSIGN_CHAR(int_p_sep_by_space);
	M_ASSIGN_CHAR(int_n_sep_by_space);
	M_ASSIGN_CHAR(int_p_sign_posn);
	M_ASSIGN_CHAR(int_n_sign_posn);
	loc->__mlocale_changed = 0;
      }
      XL_UNLOCK(loc);
    }

    if (loc->__nlocale_changed) {
      XL_LOCK(loc);
      if (loc->__nlocale_changed) {
	/* LC_NUMERIC part */
        struct lc_numeric_T * nptr; 
	struct lconv *lc = &loc->__lc_localeconv;

#define N_ASSIGN_STR(NAME) (lc->NAME = (char*)nptr->NAME)

	nptr = __get_current_numeric_locale(loc);
	N_ASSIGN_STR(decimal_point);
	N_ASSIGN_STR(thousands_sep);
	N_ASSIGN_STR(grouping);
	loc->__nlocale_changed = 0;
      }
      XL_UNLOCK(loc);
    }

    return &loc->__lc_localeconv;
}

/*
 * Return the current locale conversion.
 */
struct lconv *
localeconv()
{
#ifdef __APPLE_PR3417676_HACK__
    /*--------------------------------------------------------------------
     * If _onlyClocaleconv is non-zero, just return __lconv, which is a "C"
     * struct lconv *.  Otherwise, do the normal thing.
     *--------------------------------------------------------------------*/
    if (_onlyClocaleconv)
	return &_C_lconv;
#endif /* __APPLE_PR3417676_HACK__ */
    return localeconv_l(__current_locale());
}
Commit	Line	Data
224c7076 A	1	/*
	2	* Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
	3	* Copyright (c) 1991, 1993
	4	* The Regents of the University of California. All rights reserved.
	5	*
	6	* Redistribution and use in source and binary forms, with or without
	7	* modification, are permitted provided that the following conditions
	8	* are met:
	9	* 1. Redistributions of source code must retain the above copyright
	10	* notice, this list of conditions and the following disclaimer.
	11	* 2. Redistributions in binary form must reproduce the above copyright
	12	* notice, this list of conditions and the following disclaimer in the
	13	* documentation and/or other materials provided with the distribution.
	14	* 3. All advertising materials mentioning features or use of this software
	15	* must display the following acknowledgement:
	16	* This product includes software developed by the University of
	17	* California, Berkeley and its contributors.
	18	* 4. Neither the name of the University nor the names of its contributors
	19	* may be used to endorse or promote products derived from this software
	20	* without specific prior written permission.
	21	*
	22	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	23	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	26	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	27	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	28	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	29	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	30	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	31	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	32	* SUCH DAMAGE.
	33	*/
	34
	35	#if defined(LIBC_SCCS) && !defined(lint)
	36	static char sccsid[] = "@(#)localeconv.c 8.1 (Berkeley) 6/4/93";
	37	#endif /* LIBC_SCCS and not lint */
	38	#include <sys/cdefs.h>
	39	__FBSDID("$FreeBSD: src/lib/libc/locale/localeconv.c,v 1.13 2003/06/26 10:46:16 phantom Exp $");
	40
	41	#include "xlocale_private.h"
	42
	43	#include <limits.h>
	44	#include <locale.h>
	45
	46	#include "lmonetary.h"
	47	#include "lnumeric.h"
	48
b5d655f7	49	#ifdef __APPLE_PR3417676_HACK__
224c7076 A	50	/*------------------------------------------------------------------------
	51	* PR-3417676: We need to provide a way to force "C" locale style number
	52	* formatting independent of the locale setting. We provide private
	53	* routines to get and set a flag that tells localeconv() to either return
	54	* a "C" struct lconv, or the one dependent on the actual locale.
	55	------------------------------------------------------------------------/
	56	static char empty[] = "";
	57	static char numempty[] = { CHAR_MAX, '\0' };
	58
	59	/*
	60	* Default (C) locale conversion.
	61	*/
	62	static struct lconv _C_lconv = {
	63	".", /* decimal_point */
	64	empty, /* thousands_sep */
	65	numempty, /* grouping */
	66	empty, /* int_curr_symbol */
	67	empty, /* currency_symbol */
	68	empty, /* mon_decimal_point */
	69	empty, /* mon_thousands_sep */
	70	numempty, /* mon_grouping */
	71	empty, /* positive_sign */
	72	empty, /* negative_sign */
	73	CHAR_MAX, /* int_frac_digits */
	74	CHAR_MAX, /* frac_digits */
	75	CHAR_MAX, /* p_cs_precedes */
	76	CHAR_MAX, /* p_sep_by_space */
	77	CHAR_MAX, /* n_cs_precedes */
	78	CHAR_MAX, /* n_sep_by_space */
	79	CHAR_MAX, /* p_sign_posn */
	80	CHAR_MAX, /* n_sign_posn */
	81	CHAR_MAX, /* int_p_cs_precedes */
	82	CHAR_MAX, /* int_n_cs_precedes */
	83	CHAR_MAX, /* int_p_sep_by_space */
	84	CHAR_MAX, /* int_n_sep_by_space */
	85	CHAR_MAX, /* int_p_sign_posn */
	86	CHAR_MAX, /* int_n_sign_posn */
	87	};
	88	static int _onlyClocaleconv = 0;
	89
	90	int
	91	__getonlyClocaleconv(void)
	92	{
	93	return _onlyClocaleconv;
	94	}
	95
	96	int
	97	__setonlyClocaleconv(int val)
	98	{
	99	int prev = _onlyClocaleconv;
	100
	101	_onlyClocaleconv = val;
	102	return prev;
	103	}
b5d655f7	104	#endif /* __APPLE_PR3417676_HACK__ */
224c7076 A	105
	106	/*
	107	* The localeconv() function constructs a struct lconv from the current
	108	* monetary and numeric locales.
	109	*
	110	* Because localeconv() may be called many times (especially by library
	111	* routines like printf() & strtod()), the approprate members of the
	112	* lconv structure are computed only when the monetary or numeric
	113	* locale has been changed.
	114	*/
	115
	116	/*
	117	* Return the current locale conversion.
	118	*/
	119	struct lconv *
	120	localeconv_l(locale_t loc)
	121	{
34e8f829	122	struct lconv *lc;
224c7076 A	123
224c7076 A	124	NORMALIZE_LOCALE(loc);
224c7076 A	125
224c7076 A	126	if (loc->__mlocale_changed) {
34e8f829 A	127	XL_LOCK(loc);
34e8f829 A	128	if (loc->__mlocale_changed) {
224c7076 A	129	/* LC_MONETARY part */
224c7076 A	130	struct lc_monetary_T * mptr;
34e8f829	131	struct lconv *lc = &loc->__lc_localeconv;
224c7076	132
34e8f829 A	133	#define M_ASSIGN_STR(NAME) (lc->NAME = (char*)mptr->NAME)
34e8f829 A	134	#define M_ASSIGN_CHAR(NAME) (lc->NAME = mptr->NAME[0])
224c7076 A	135
	136	mptr = __get_current_monetary_locale(loc);
	137	M_ASSIGN_STR(int_curr_symbol);
	138	M_ASSIGN_STR(currency_symbol);
	139	M_ASSIGN_STR(mon_decimal_point);
	140	M_ASSIGN_STR(mon_thousands_sep);
	141	M_ASSIGN_STR(mon_grouping);
	142	M_ASSIGN_STR(positive_sign);
	143	M_ASSIGN_STR(negative_sign);
	144	M_ASSIGN_CHAR(int_frac_digits);
	145	M_ASSIGN_CHAR(frac_digits);
	146	M_ASSIGN_CHAR(p_cs_precedes);
	147	M_ASSIGN_CHAR(p_sep_by_space);
	148	M_ASSIGN_CHAR(n_cs_precedes);
	149	M_ASSIGN_CHAR(n_sep_by_space);
	150	M_ASSIGN_CHAR(p_sign_posn);
	151	M_ASSIGN_CHAR(n_sign_posn);
	152	M_ASSIGN_CHAR(int_p_cs_precedes);
	153	M_ASSIGN_CHAR(int_n_cs_precedes);
	154	M_ASSIGN_CHAR(int_p_sep_by_space);
	155	M_ASSIGN_CHAR(int_n_sep_by_space);
	156	M_ASSIGN_CHAR(int_p_sign_posn);
	157	M_ASSIGN_CHAR(int_n_sign_posn);
	158	loc->__mlocale_changed = 0;
34e8f829 A	159	}
34e8f829 A	160	XL_UNLOCK(loc);
224c7076 A	161	}
	162
	163	if (loc->__nlocale_changed) {
34e8f829 A	164	XL_LOCK(loc);
34e8f829 A	165	if (loc->__nlocale_changed) {
224c7076 A	166	/* LC_NUMERIC part */
224c7076 A	167	struct lc_numeric_T * nptr;
34e8f829	168	struct lconv *lc = &loc->__lc_localeconv;
224c7076	169
34e8f829	170	#define N_ASSIGN_STR(NAME) (lc->NAME = (char*)nptr->NAME)
224c7076 A	171
	172	nptr = __get_current_numeric_locale(loc);
	173	N_ASSIGN_STR(decimal_point);
	174	N_ASSIGN_STR(thousands_sep);
	175	N_ASSIGN_STR(grouping);
	176	loc->__nlocale_changed = 0;
34e8f829 A	177	}
34e8f829 A	178	XL_UNLOCK(loc);
224c7076 A	179	}
224c7076 A	180
34e8f829	181	return &loc->__lc_localeconv;
224c7076 A	182	}
	183
	184	/*
	185	* Return the current locale conversion.
	186	*/
	187	struct lconv *
	188	localeconv()
	189	{
b5d655f7	190	#ifdef __APPLE_PR3417676_HACK__
224c7076 A	191	/*--------------------------------------------------------------------
	192	* If _onlyClocaleconv is non-zero, just return __lconv, which is a "C"
	193	* struct lconv *. Otherwise, do the normal thing.
	194	--------------------------------------------------------------------/
	195	if (_onlyClocaleconv)
	196	return &_C_lconv;
b5d655f7	197	#endif /* __APPLE_PR3417676_HACK__ */
224c7076 A	198	return localeconv_l(__current_locale());
224c7076 A	199	}