lnumeric.c revision 72359
1/* 2 * Copyright (c) 2000, 2001 Alexey Zelkin 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/lib/libc/locale/lnumeric.c 72359 2001-02-11 15:07:26Z phantom $ 27 */ 28 29#include <limits.h> 30#include "lnumeric.h" 31#include "ldpart.h" 32 33extern int __nlocale_changed; 34extern const char * __fix_locale_grouping_str(const char *); 35 36#define LCNUMERIC_SIZE (sizeof(struct lc_numeric_T) / sizeof(char *)) 37 38static char numempty[] = { CHAR_MAX, '\0' }; 39 40static const struct lc_numeric_T _C_numeric_locale = { 41 ".", /* decimal_point */ 42 "", /* thousands_sep */ 43 numempty /* grouping */ 44}; 45 46static struct lc_numeric_T _numeric_locale; 47static int _numeric_using_locale; 48static char * numeric_locale_buf; 49 50int 51__numeric_load_locale(const char *name) { 52 53 int ret; 54 55 __nlocale_changed = 1; 56 ret = __part_load_locale(name, &_numeric_using_locale, 57 numeric_locale_buf, "LC_NUMERIC", LCNUMERIC_SIZE, 58 (const char **)&_numeric_locale); 59 if (!ret && _numeric_using_locale) 60 _numeric_locale.grouping = 61 __fix_locale_grouping_str(_numeric_locale.grouping); 62 return ret; 63} 64 65struct lc_numeric_T * 66__get_current_numeric_locale(void) { 67 68 return (_numeric_using_locale 69 ? &_numeric_locale 70 : (struct lc_numeric_T *)&_C_numeric_locale); 71} 72 73#ifdef LOCALE_DEBUG 74void 75numericdebug(void) { 76printf( "decimal_point = %s\n" 77 "thousands_sep = %s\n" 78 "grouping = %s\n", 79 _numeric_locale.decimal_point, 80 _numeric_locale.thousands_sep, 81 _numeric_locale.grouping 82); 83} 84#endif /* LOCALE_DEBUG */ 85