freebsd-skq/lib/libc/locale/localeconv.c
phantom d4e3ae3d2b . Fix semantics of grouping (LC_MONETARY::mon_grouping,
LC_NUMERIC::grouping) values.
. Always set __XXX_changed flags then loading numeric & monetary locale
  categories to allow localeconv() to use C locale also.
2001-02-10 15:36:46 +00:00

110 lines
3.4 KiB
C

/*
* Copyright (c) 2001 Alexey Zelkin
* 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.
*
* 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)
#if 0
static char sccsid[] = "@(#)localeconv.c 8.1 (Berkeley) 6/4/93";
#endif
static char rcsid[] = "$FreeBSD$";
#endif /* LIBC_SCCS and not lint */
#include <locale.h>
#include <stdlib.h>
#include <limits.h>
#include "lmonetary.h"
#include "lnumeric.h"
/*
* 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.
*/
int __mlocale_changed = 1;
int __nlocale_changed = 1;
static char
cnv(char *str) {
int i = strtol(str, NULL, 10);
if (i == -1)
i = CHAR_MAX;
return (char)i;
}
/*
* Return the current locale conversion.
*/
struct lconv *
localeconv()
{
static struct lconv ret;
if (__mlocale_changed) {
/* LC_MONETARY part */
struct lc_monetary_T * mptr;
#define M_ASSIGN_STR(NAME) (ret.NAME = (char*)mptr->NAME)
#define M_ASSIGN_CHAR(NAME) (ret.NAME = cnv((char*)mptr->NAME))
mptr = __get_current_monetary_locale();
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);
__mlocale_changed = 0;
}
if (__nlocale_changed) {
/* LC_NUMERIC part */
struct lc_numeric_T * nptr;
#define N_ASSIGN_STR(NAME) (ret.NAME = (char*)nptr->NAME)
nptr = __get_current_numeric_locale();
N_ASSIGN_STR(decimal_point);
N_ASSIGN_STR(thousands_sep);
N_ASSIGN_STR(grouping);
__nlocale_changed = 0;
}
return (&ret);
}