3c87aa1d3d
load of _l suffixed versions of various standard library functions that use the global locale, making them take an explicit locale parameter. Also adds support for per-thread locales. This work was funded by the FreeBSD Foundation. Please test any code you have that uses the C standard locale functions! Reviewed by: das (gdtoa changes) Approved by: dim (mentor)
127 lines
3.6 KiB
C
127 lines
3.6 KiB
C
/*
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* Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
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* All rights reserved.
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*
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* Copyright (c) 2011 The FreeBSD Foundation
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* All rights reserved.
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* Portions of this software were developed by David Chisnall
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* under sponsorship from the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stddef.h>
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#include "ldpart.h"
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#include "lmessages.h"
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#define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
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#define LCMESSAGES_SIZE_MIN \
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(offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
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struct xlocale_messages {
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struct xlocale_component header;
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char *buffer;
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struct lc_messages_T locale;
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};
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struct xlocale_messages __xlocale_global_messages;
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static char empty[] = "";
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static const struct lc_messages_T _C_messages_locale = {
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"^[yY]" , /* yesexpr */
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"^[nN]" , /* noexpr */
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"yes" , /* yesstr */
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"no" /* nostr */
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};
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static void destruct_messages(void *v)
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{
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struct xlocale_messages *l = v;
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if (l->buffer)
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free(l->buffer);
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free(l);
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}
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static int
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messages_load_locale(struct xlocale_messages *loc, int *using_locale, const char *name)
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{
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int ret;
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struct lc_messages_T *l = &loc->locale;
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ret = __part_load_locale(name, using_locale,
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&loc->buffer, "LC_MESSAGES",
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LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
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(const char **)l);
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if (ret == _LDP_LOADED) {
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if (l->yesstr == NULL)
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l->yesstr = empty;
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if (l->nostr == NULL)
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l->nostr = empty;
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}
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return (ret);
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}
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int
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__messages_load_locale(const char *name)
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{
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return messages_load_locale(&__xlocale_global_messages,
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&__xlocale_global_locale.using_messages_locale, name);
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}
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void *
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__messages_load(const char *name, locale_t l)
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{
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struct xlocale_messages *new = calloc(sizeof(struct xlocale_messages), 1);
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new->header.header.destructor = destruct_messages;
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if (messages_load_locale(new, &l->using_messages_locale, name) == _LDP_ERROR) {
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xlocale_release(new);
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return NULL;
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}
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return new;
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}
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struct lc_messages_T *
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__get_current_messages_locale(locale_t loc)
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{
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return (loc->using_messages_locale
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? &((struct xlocale_messages *)loc->components[XLC_MESSAGES])->locale
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: (struct lc_messages_T *)&_C_messages_locale);
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}
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#ifdef LOCALE_DEBUG
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void
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msgdebug() {
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printf( "yesexpr = %s\n"
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"noexpr = %s\n"
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"yesstr = %s\n"
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"nostr = %s\n",
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_messages_locale.yesexpr,
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_messages_locale.noexpr,
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_messages_locale.yesstr,
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_messages_locale.nostr
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);
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}
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#endif /* LOCALE_DEBUG */
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