1 /* $NetBSD: generic_lc_all.c,v 1.5 2013/04/14 23:30:16 joerg Exp $ */ 2 3 /*- 4 * Copyright (c)2008 Citrus Project, 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 <sys/cdefs.h> 30 #if defined(LIBC_SCCS) && !defined(lint) 31 __RCSID("$NetBSD: generic_lc_all.c,v 1.5 2013/04/14 23:30:16 joerg Exp $"); 32 #endif /* LIBC_SCCS and not lint */ 33 34 #include <sys/types.h> 35 #include <assert.h> 36 #include <langinfo.h> 37 #define __SETLOCALE_SOURCE__ 38 #include <locale.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 43 #include "setlocale_local.h" 44 45 /* 46 * macro required by all template headers 47 */ 48 #define _PREFIX(name) __CONCAT(_generic_LC_ALL_, name) 49 50 #include "generic_lc_template_decl.h" 51 52 const char * 53 _generic_LC_ALL_setlocale(const char * __restrict name, 54 struct _locale * __restrict locale) 55 { 56 _locale_set_t sl; 57 char head[_LOCALENAME_LEN_MAX * (_LC_LAST - 1)], *tail; 58 const char *tokens[_LC_LAST], *s, *t; 59 int load_locale_success, i, j; 60 61 sl = _find_category(1); 62 _DIAGASSERT(sl != NULL); 63 load_locale_success = 0; 64 if (name != NULL) { 65 strlcpy(&head[0], name, sizeof(head)); 66 tokens[1] = &head[0]; 67 tail = strchr(tokens[1], '/'); 68 if (tail == NULL) { 69 for (i = 2; i < _LC_LAST; ++i) 70 tokens[i] = tokens[1]; 71 } else { 72 *tail++ = '\0'; 73 for (i = 2; i < _LC_LAST - 1; ++i) { 74 tokens[i] = (const char *)tail; 75 tail = strchr(tokens[i], '/'); 76 if (tail == NULL) 77 return NULL; 78 *tail++ = '\0'; 79 } 80 tokens[_LC_LAST - 1] = (const char *)tail; 81 tail = strchr(tokens[i], '/'); 82 if (tail != NULL) 83 return NULL; 84 } 85 if ((*sl)(tokens[1], locale) != NULL) 86 load_locale_success = 1; 87 } 88 s = (*sl)(NULL, locale); 89 _DIAGASSERT(s != NULL); 90 strlcpy(&locale->query[0], s, sizeof(locale->query)); 91 for (i = 2, j = 0; i < _LC_LAST; ++i) { 92 sl = _find_category(i); 93 _DIAGASSERT(sl != NULL); 94 if (name != NULL) { 95 if ((*sl)(tokens[i], locale) != NULL) 96 load_locale_success = 1; 97 } 98 t = (*sl)(NULL, locale); 99 _DIAGASSERT(t != NULL); 100 if (j == 0) { 101 if (!strcmp(s, t)) 102 continue; 103 for (j = 2; j < i; ++j) { 104 strlcat(&locale->query[0], "/", 105 sizeof(locale->query)); 106 strlcat(&locale->query[0], s, 107 sizeof(locale->query)); 108 } 109 } 110 strlcat(&locale->query[0], "/", sizeof(locale->query)); 111 strlcat(&locale->query[0], t, sizeof(locale->query)); 112 } 113 if (name != NULL && !load_locale_success) 114 return NULL; 115 return (const char *)&locale->query[0]; 116 } 117 118