1 /* 2 * Copyright 2014 Garrett D'Amore. 3 * Copyright 2010 Nexenta Systems, Inc. All rights reserved. 4 * Copyright (c) 2000, 2001 Alexey Zelkin <phantom@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include "lint.h" 30 #include <limits.h> 31 #include <errno.h> 32 #include "ldpart.h" 33 #include "lnumeric.h" 34 #include "localeimpl.h" 35 36 extern const char *__fix_locale_grouping_str(const char *); 37 38 #define LCNUMERIC_SIZE (sizeof (struct lc_numeric) / sizeof (char *)) 39 40 static char numempty[] = { CHAR_MAX, '\0' }; 41 42 struct lc_numeric lc_numeric_posix = { 43 ".", /* decimal_point */ 44 "", /* thousands_sep */ 45 numempty /* grouping */ 46 }; 47 48 struct locdata __posix_numeric_locdata = { 49 .l_lname = "C", 50 .l_refcnt = (uint32_t)-1, 51 .l_data = { &lc_numeric_posix } 52 }; 53 54 55 /* 56 * Return the locale's numeric locdata structure, places a hold on it, 57 * which the caller must release. 58 */ 59 struct locdata * 60 __lc_numeric_load(const char *name) 61 { 62 struct locdata *ldata; 63 struct lc_numeric *lnum; 64 int ret; 65 66 if ((ldata = __locdata_alloc(name, sizeof (*lnum))) == NULL) { 67 errno = EINVAL; 68 return (NULL); 69 } 70 lnum = ldata->l_data[0]; 71 72 ret = __part_load_locale(name, (char **)&ldata->l_data[1], 73 "LC_NUMERIC", LCNUMERIC_SIZE, LCNUMERIC_SIZE, (const char **)lnum); 74 75 if (ret != _LDP_LOADED) { 76 __locdata_release(ldata); 77 return (NULL); 78 } 79 80 /* Can't be empty according to C99 */ 81 if (*lnum->decimal_point == '\0') 82 lnum->decimal_point = lc_numeric_posix.decimal_point; 83 lnum->grouping = __fix_locale_grouping_str(lnum->grouping); 84 85 return (ldata); 86 }