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 * 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 64 destruct_messages(void *v) 65 { 66 struct xlocale_messages *l = v; 67 if (l->buffer) 68 free(l->buffer); 69 free(l); 70 } 71 72 static int 73 messages_load_locale(struct xlocale_messages *loc, int *using_locale, 74 const char *name) 75 { 76 int ret; 77 struct lc_messages_T *l = &loc->locale; 78 79 ret = __part_load_locale(name, using_locale, 80 &loc->buffer, "LC_MESSAGES", 81 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN, 82 (const char **)l); 83 if (ret == _LDP_LOADED) { 84 if (l->yesstr == NULL) 85 l->yesstr = empty; 86 if (l->nostr == NULL) 87 l->nostr = empty; 88 } 89 return (ret); 90 } 91 92 int 93 __messages_load_locale(const char *name) 94 { 95 return (messages_load_locale(&__xlocale_global_messages, 96 &__xlocale_global_locale.using_messages_locale, name)); 97 } 98 99 void * 100 __messages_load(const char *name, locale_t l) 101 { 102 struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages), 103 1); 104 if (new == NULL) 105 return (NULL); 106 new->header.header.destructor = destruct_messages; 107 if (messages_load_locale(new, &l->using_messages_locale, name) == 108 _LDP_ERROR) { 109 xlocale_release(new); 110 return (NULL); 111 } 112 return (new); 113 } 114 115 struct lc_messages_T * 116 __get_current_messages_locale(locale_t loc) 117 { 118 return (loc->using_messages_locale ? &((struct xlocale_messages *) 119 loc->components[XLC_MESSAGES])->locale : 120 (struct lc_messages_T *)&_C_messages_locale); 121 } 122 123 #ifdef LOCALE_DEBUG 124 void 125 msgdebug(void) { 126 printf( "yesexpr = %s\n" 127 "noexpr = %s\n" 128 "yesstr = %s\n" 129 "nostr = %s\n", 130 _messages_locale.yesexpr, 131 _messages_locale.noexpr, 132 _messages_locale.yesstr, 133 _messages_locale.nostr 134 ); 135 } 136 #endif /* LOCALE_DEBUG */ 137