1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Copyright (c) 2011 The FreeBSD Foundation 8 * All rights reserved. 9 * Portions of this software were developed by David Chisnall 10 * under sponsorship from the FreeBSD Foundation. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __FBSDID("$FreeBSD$"); 36 37 #include <stddef.h> 38 39 #include "ldpart.h" 40 #include "lmessages.h" 41 42 #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *)) 43 #define LCMESSAGES_SIZE_MIN \ 44 (offsetof(struct lc_messages_T, yesstr) / sizeof(char *)) 45 46 struct xlocale_messages { 47 struct xlocale_component header; 48 char *buffer; 49 struct lc_messages_T locale; 50 }; 51 52 struct xlocale_messages __xlocale_global_messages; 53 54 static char empty[] = ""; 55 56 static const struct lc_messages_T _C_messages_locale = { 57 "^[yY]" , /* yesexpr */ 58 "^[nN]" , /* noexpr */ 59 "yes" , /* yesstr */ 60 "no" /* nostr */ 61 }; 62 63 static void destruct_messages(void *v) 64 { 65 struct xlocale_messages *l = v; 66 if (l->buffer) 67 free(l->buffer); 68 free(l); 69 } 70 71 static int 72 messages_load_locale(struct xlocale_messages *loc, int *using_locale, const char *name) 73 { 74 int ret; 75 struct lc_messages_T *l = &loc->locale; 76 77 ret = __part_load_locale(name, using_locale, 78 &loc->buffer, "LC_MESSAGES", 79 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN, 80 (const char **)l); 81 if (ret == _LDP_LOADED) { 82 if (l->yesstr == NULL) 83 l->yesstr = empty; 84 if (l->nostr == NULL) 85 l->nostr = empty; 86 } 87 return (ret); 88 } 89 int 90 __messages_load_locale(const char *name) 91 { 92 return messages_load_locale(&__xlocale_global_messages, 93 &__xlocale_global_locale.using_messages_locale, name); 94 } 95 void * 96 __messages_load(const char *name, locale_t l) 97 { 98 struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages), 1); 99 new->header.header.destructor = destruct_messages; 100 if (messages_load_locale(new, &l->using_messages_locale, name) == _LDP_ERROR) { 101 xlocale_release(new); 102 return NULL; 103 } 104 return new; 105 } 106 107 struct lc_messages_T * 108 __get_current_messages_locale(locale_t loc) 109 { 110 return (loc->using_messages_locale 111 ? &((struct xlocale_messages *)loc->components[XLC_MESSAGES])->locale 112 : (struct lc_messages_T *)&_C_messages_locale); 113 } 114 115 #ifdef LOCALE_DEBUG 116 void 117 msgdebug() { 118 printf( "yesexpr = %s\n" 119 "noexpr = %s\n" 120 "yesstr = %s\n" 121 "nostr = %s\n", 122 _messages_locale.yesexpr, 123 _messages_locale.noexpr, 124 _messages_locale.yesstr, 125 _messages_locale.nostr 126 ); 127 } 128 #endif /* LOCALE_DEBUG */ 129