[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.
 * 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 1.14 2007/12/12 07:43:23 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.
224c7076 A	14	* 4. Neither the name of the University nor the names of its contributors
	15	* may be used to endorse or promote products derived from this software
	16	* without specific prior written permission.
	17	*
	18	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	19	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	20	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	21	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	22	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	23	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	24	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	25	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	26	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	27	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	28	* SUCH DAMAGE.
	29	*/
	30
	31	#if defined(LIBC_SCCS) && !defined(lint)
	32	static char sccsid[] = "@(#)localeconv.c 8.1 (Berkeley) 6/4/93";
	33	#endif /* LIBC_SCCS and not lint */
	34	#include <sys/cdefs.h>
1f2f436a	35	__FBSDID("$FreeBSD: src/lib/libc/locale/localeconv.c,v 1.14 2007/12/12 07:43:23 phantom Exp $");
224c7076 A	36
	37	#include "xlocale_private.h"
	38
	39	#include <limits.h>
	40	#include <locale.h>
	41
	42	#include "lmonetary.h"
	43	#include "lnumeric.h"
	44
b5d655f7	45	#ifdef __APPLE_PR3417676_HACK__
224c7076 A	46	/*------------------------------------------------------------------------
	47	* PR-3417676: We need to provide a way to force "C" locale style number
	48	* formatting independent of the locale setting. We provide private
	49	* routines to get and set a flag that tells localeconv() to either return
	50	* a "C" struct lconv, or the one dependent on the actual locale.
	51	------------------------------------------------------------------------/
	52	static char empty[] = "";
	53	static char numempty[] = { CHAR_MAX, '\0' };
	54
	55	/*
	56	* Default (C) locale conversion.
	57	*/
	58	static struct lconv _C_lconv = {
	59	".", /* decimal_point */
	60	empty, /* thousands_sep */
	61	numempty, /* grouping */
	62	empty, /* int_curr_symbol */
	63	empty, /* currency_symbol */
	64	empty, /* mon_decimal_point */
	65	empty, /* mon_thousands_sep */
	66	numempty, /* mon_grouping */
	67	empty, /* positive_sign */
	68	empty, /* negative_sign */
	69	CHAR_MAX, /* int_frac_digits */
	70	CHAR_MAX, /* frac_digits */
	71	CHAR_MAX, /* p_cs_precedes */
	72	CHAR_MAX, /* p_sep_by_space */
	73	CHAR_MAX, /* n_cs_precedes */
	74	CHAR_MAX, /* n_sep_by_space */
	75	CHAR_MAX, /* p_sign_posn */
	76	CHAR_MAX, /* n_sign_posn */
	77	CHAR_MAX, /* int_p_cs_precedes */
	78	CHAR_MAX, /* int_n_cs_precedes */
	79	CHAR_MAX, /* int_p_sep_by_space */
	80	CHAR_MAX, /* int_n_sep_by_space */
	81	CHAR_MAX, /* int_p_sign_posn */
	82	CHAR_MAX, /* int_n_sign_posn */
	83	};
	84	static int _onlyClocaleconv = 0;
	85
	86	int
	87	__getonlyClocaleconv(void)
	88	{
	89	return _onlyClocaleconv;
	90	}
	91
	92	int
	93	__setonlyClocaleconv(int val)
	94	{
	95	int prev = _onlyClocaleconv;
	96
	97	_onlyClocaleconv = val;
	98	return prev;
	99	}
b5d655f7	100	#endif /* __APPLE_PR3417676_HACK__ */
224c7076 A	101
	102	/*
	103	* The localeconv() function constructs a struct lconv from the current
	104	* monetary and numeric locales.
	105	*
	106	* Because localeconv() may be called many times (especially by library
	107	* routines like printf() & strtod()), the approprate members of the
	108	* lconv structure are computed only when the monetary or numeric
	109	* locale has been changed.
	110	*/
	111
	112	/*
	113	* Return the current locale conversion.
	114	*/
	115	struct lconv *
	116	localeconv_l(locale_t loc)
	117	{
34e8f829	118	struct lconv *lc;
224c7076 A	119
224c7076 A	120	NORMALIZE_LOCALE(loc);
224c7076 A	121
224c7076 A	122	if (loc->__mlocale_changed) {
34e8f829 A	123	XL_LOCK(loc);
34e8f829 A	124	if (loc->__mlocale_changed) {
224c7076 A	125	/* LC_MONETARY part */
224c7076 A	126	struct lc_monetary_T * mptr;
34e8f829	127	struct lconv *lc = &loc->__lc_localeconv;
224c7076	128
34e8f829 A	129	#define M_ASSIGN_STR(NAME) (lc->NAME = (char*)mptr->NAME)
34e8f829 A	130	#define M_ASSIGN_CHAR(NAME) (lc->NAME = mptr->NAME[0])
224c7076 A	131
	132	mptr = __get_current_monetary_locale(loc);
	133	M_ASSIGN_STR(int_curr_symbol);
	134	M_ASSIGN_STR(currency_symbol);
	135	M_ASSIGN_STR(mon_decimal_point);
	136	M_ASSIGN_STR(mon_thousands_sep);
	137	M_ASSIGN_STR(mon_grouping);
	138	M_ASSIGN_STR(positive_sign);
	139	M_ASSIGN_STR(negative_sign);
	140	M_ASSIGN_CHAR(int_frac_digits);
	141	M_ASSIGN_CHAR(frac_digits);
	142	M_ASSIGN_CHAR(p_cs_precedes);
	143	M_ASSIGN_CHAR(p_sep_by_space);
	144	M_ASSIGN_CHAR(n_cs_precedes);
	145	M_ASSIGN_CHAR(n_sep_by_space);
	146	M_ASSIGN_CHAR(p_sign_posn);
	147	M_ASSIGN_CHAR(n_sign_posn);
	148	M_ASSIGN_CHAR(int_p_cs_precedes);
	149	M_ASSIGN_CHAR(int_n_cs_precedes);
	150	M_ASSIGN_CHAR(int_p_sep_by_space);
	151	M_ASSIGN_CHAR(int_n_sep_by_space);
	152	M_ASSIGN_CHAR(int_p_sign_posn);
	153	M_ASSIGN_CHAR(int_n_sign_posn);
	154	loc->__mlocale_changed = 0;
34e8f829 A	155	}
34e8f829 A	156	XL_UNLOCK(loc);
224c7076 A	157	}
	158
	159	if (loc->__nlocale_changed) {
34e8f829 A	160	XL_LOCK(loc);
34e8f829 A	161	if (loc->__nlocale_changed) {
224c7076 A	162	/* LC_NUMERIC part */
224c7076 A	163	struct lc_numeric_T * nptr;
34e8f829	164	struct lconv *lc = &loc->__lc_localeconv;
224c7076	165
34e8f829	166	#define N_ASSIGN_STR(NAME) (lc->NAME = (char*)nptr->NAME)
224c7076 A	167
	168	nptr = __get_current_numeric_locale(loc);
	169	N_ASSIGN_STR(decimal_point);
	170	N_ASSIGN_STR(thousands_sep);
	171	N_ASSIGN_STR(grouping);
	172	loc->__nlocale_changed = 0;
34e8f829 A	173	}
34e8f829 A	174	XL_UNLOCK(loc);
224c7076 A	175	}
224c7076 A	176
34e8f829	177	return &loc->__lc_localeconv;
224c7076 A	178	}
	179
	180	/*
	181	* Return the current locale conversion.
	182	*/
	183	struct lconv *
	184	localeconv()
	185	{
b5d655f7	186	#ifdef __APPLE_PR3417676_HACK__
224c7076 A	187	/*--------------------------------------------------------------------
	188	* If _onlyClocaleconv is non-zero, just return __lconv, which is a "C"
	189	* struct lconv *. Otherwise, do the normal thing.
	190	--------------------------------------------------------------------/
	191	if (_onlyClocaleconv)
	192	return &_C_lconv;
b5d655f7	193	#endif /* __APPLE_PR3417676_HACK__ */
224c7076 A	194	return localeconv_l(__current_locale());
224c7076 A	195	}