Retro68/gcc/newlib/libc/locale/lnumeric.c

110 lines
3.4 KiB
C
Raw Normal View History

2017-04-11 21:13:36 +00:00
/*
* Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org>
* 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 AUTHOR 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 AUTHOR 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.
*/
#include <limits.h>
#include "lnumeric.h"
#include "ldpart.h"
extern int __nlocale_changed;
extern const char *__fix_locale_grouping_str(const char *);
#define LCNUMERIC_SIZE (sizeof(struct lc_numeric_T) / sizeof(char *))
static char numempty[] = { CHAR_MAX, '\0' };
static const struct lc_numeric_T _C_numeric_locale = {
".", /* decimal_point */
"", /* thousands_sep */
numempty /* grouping */
#ifdef __HAVE_LOCALE_INFO_EXTENDED__
, "ASCII", /* codeset */
L".", /* wdecimal_point */
L"", /* wthousands_sep */
#endif
};
static struct lc_numeric_T _numeric_locale;
static int _numeric_using_locale;
static char *_numeric_locale_buf;
int
__numeric_load_locale(const char *name , void *f_wctomb, const char *charset)
{
int ret;
#ifdef __CYGWIN__
extern int __set_lc_numeric_from_win (const char *,
const struct lc_numeric_T *,
struct lc_numeric_T *, char **,
void *, const char *);
int old_numeric_using_locale = _numeric_using_locale;
_numeric_using_locale = 0;
ret = __set_lc_numeric_from_win (name, &_C_numeric_locale,
&_numeric_locale, &_numeric_locale_buf,
f_wctomb, charset);
/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
if (ret < 0)
_numeric_using_locale = old_numeric_using_locale;
else
{
_numeric_using_locale = ret;
__nlocale_changed = 1;
ret = 0;
}
#else
__nlocale_changed = 1;
ret = __part_load_locale(name, &_numeric_using_locale,
_numeric_locale_buf, "LC_NUMERIC",
LCNUMERIC_SIZE, LCNUMERIC_SIZE,
(const char **)&_numeric_locale);
if (ret == 0 && _numeric_using_locale)
_numeric_locale.grouping =
__fix_locale_grouping_str(_numeric_locale.grouping);
#endif
return ret;
}
struct lc_numeric_T *
__get_current_numeric_locale(void) {
return (_numeric_using_locale
? &_numeric_locale
: (struct lc_numeric_T *)&_C_numeric_locale);
}
#ifdef LOCALE_DEBUG
void
numericdebug(void) {
printf( "decimal_point = %s\n"
"thousands_sep = %s\n"
"grouping = %s\n",
_numeric_locale.decimal_point,
_numeric_locale.thousands_sep,
_numeric_locale.grouping
);
}
#endif /* LOCALE_DEBUG */