1 /* 2 * Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Copyright (c) 2011 The FreeBSD Foundation 6 * All rights reserved. 7 * Portions of this software were developed by David Chisnall 8 * under sponsorship from the FreeBSD Foundation. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * $FreeBSD: head/lib/libc/locale/lmessages.c 227753 2011-11-20 14:45:42Z theraven $ 32 */ 33 34 35 #include <stddef.h> 36 37 #include "ldpart.h" 38 #include "lmessages.h" 39 40 #define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *)) 41 #define LCMESSAGES_SIZE_MIN \ 42 (offsetof(struct lc_messages_T, yesstr) / sizeof(char *)) 43 44 struct xlocale_messages { 45 struct xlocale_component header; 46 char *buffer; 47 struct lc_messages_T locale; 48 }; 49 50 struct xlocale_messages __xlocale_global_messages; 51 52 static char empty[] = ""; 53 54 static const struct lc_messages_T _C_messages_locale = { 55 "^[yY]" , /* yesexpr */ 56 "^[nN]" , /* noexpr */ 57 "yes" , /* yesstr */ 58 "no" /* nostr */ 59 }; 60 61 static void destruct_messages(void *v) 62 { 63 struct xlocale_messages *l = v; 64 if (l->buffer) 65 free(l->buffer); 66 free(l); 67 } 68 69 static int 70 messages_load_locale(struct xlocale_messages *loc, int *using_locale, const char *name) 71 { 72 int ret; 73 struct lc_messages_T *l = &loc->locale; 74 75 ret = __part_load_locale(name, using_locale, 76 &loc->buffer, "LC_MESSAGES", 77 LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN, 78 (const char **)l); 79 if (ret == _LDP_LOADED) { 80 if (l->yesstr == NULL) 81 l->yesstr = empty; 82 if (l->nostr == NULL) 83 l->nostr = empty; 84 } 85 return (ret); 86 } 87 int 88 __messages_load_locale(const char *name) 89 { 90 return messages_load_locale(&__xlocale_global_messages, 91 &__xlocale_global_locale.using_messages_locale, name); 92 } 93 void * 94 __messages_load(const char *name, locale_t l) 95 { 96 struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages), 1); 97 new->header.header.destructor = destruct_messages; 98 if (messages_load_locale(new, &l->using_messages_locale, name) == _LDP_ERROR) { 99 xlocale_release(new); 100 return NULL; 101 } 102 return new; 103 } 104 105 struct lc_messages_T * 106 __get_current_messages_locale(locale_t loc) 107 { 108 return (loc->using_messages_locale 109 ? &((struct xlocale_messages *)loc->components[XLC_MESSAGES])->locale 110 : (struct lc_messages_T *)&_C_messages_locale); 111 } 112 113 #ifdef LOCALE_DEBUG 114 void 115 msgdebug() { 116 printf( "yesexpr = %s\n" 117 "noexpr = %s\n" 118 "yesstr = %s\n" 119 "nostr = %s\n", 120 _messages_locale.yesexpr, 121 _messages_locale.noexpr, 122 _messages_locale.yesstr, 123 _messages_locale.nostr 124 ); 125 } 126 #endif /* LOCALE_DEBUG */ 127