1 /* 2 * Copyright (c) 2001 Alexey Zelkin 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 #if 0 37 static char sccsid[] = "@(#)localeconv.c 8.1 (Berkeley) 6/4/93"; 38 #endif 39 static char rcsid[] = 40 "$FreeBSD$"; 41 #endif /* LIBC_SCCS and not lint */ 42 43 #include <locale.h> 44 #include <stdlib.h> 45 #include <limits.h> 46 #include "lmonetary.h" 47 #include "lnumeric.h" 48 49 /* 50 * The localeconv() function constructs a struct lconv from the current 51 * monetary and numeric locales. 52 * 53 * Because localeconv() may be called many times (especially by library 54 * routines like printf() & strtod()), the approprate members of the 55 * lconv structure are computed only when the monetary or numeric 56 * locale has been changed. 57 */ 58 int __mlocale_changed = 1; 59 int __nlocale_changed = 1; 60 61 static char 62 cnv(char *str) { 63 int i = strtol(str, NULL, 10); 64 if (i == -1) 65 i = CHAR_MAX; 66 return (char)i; 67 } 68 69 /* 70 * Return the current locale conversion. 71 */ 72 struct lconv * 73 localeconv() 74 { 75 static struct lconv ret; 76 77 if (__mlocale_changed) { 78 /* LC_MONETARY part */ 79 struct lc_monetary_T * mptr; 80 81 #define M_ASSIGN_STR(NAME) (ret.NAME = (char*)mptr->NAME) 82 #define M_ASSIGN_CHAR(NAME) (ret.NAME = cnv((char*)mptr->NAME)) 83 84 mptr = __get_current_monetary_locale(); 85 M_ASSIGN_STR(int_curr_symbol); 86 M_ASSIGN_STR(currency_symbol); 87 M_ASSIGN_STR(mon_decimal_point); 88 M_ASSIGN_STR(mon_thousands_sep); 89 M_ASSIGN_STR(mon_grouping); 90 M_ASSIGN_STR(positive_sign); 91 M_ASSIGN_STR(negative_sign); 92 M_ASSIGN_CHAR(int_frac_digits); 93 M_ASSIGN_CHAR(frac_digits); 94 M_ASSIGN_CHAR(p_cs_precedes); 95 M_ASSIGN_CHAR(p_sep_by_space); 96 M_ASSIGN_CHAR(n_cs_precedes); 97 M_ASSIGN_CHAR(n_sep_by_space); 98 M_ASSIGN_CHAR(p_sign_posn); 99 M_ASSIGN_CHAR(n_sign_posn); 100 __mlocale_changed = 0; 101 } 102 103 if (__nlocale_changed) { 104 /* LC_NUMERIC part */ 105 struct lc_numeric_T * nptr; 106 107 #define N_ASSIGN_STR(NAME) (ret.NAME = (char*)nptr->NAME) 108 109 nptr = __get_current_numeric_locale(); 110 N_ASSIGN_STR(decimal_point); 111 N_ASSIGN_STR(thousands_sep); 112 N_ASSIGN_STR(grouping); 113 __nlocale_changed = 0; 114 } 115 116 return (&ret); 117 } 118