newlib-cygwin/newlib/libc/locale/lmessages.c

121 lines
3.6 KiB
C

/*
* Copyright (c) 2001 Alexey Zelkin <phantom@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <stddef.h>
#include "lmessages.h"
#include "ldpart.h"
#define LCMESSAGES_SIZE_FULL (sizeof(struct lc_messages_T) / sizeof(char *))
#define LCMESSAGES_SIZE_MIN \
(offsetof(struct lc_messages_T, yesstr) / sizeof(char *))
static char empty[] = "";
static const struct lc_messages_T _C_messages_locale = {
"^[yY]" , /* yesexpr */
"^[nN]" , /* noexpr */
"yes" , /* yesstr */
"no" /* nostr */
#ifdef __HAVE_LOCALE_INFO_EXTENDED__
, "ASCII" , /* codeset */
L"^[yY]" , /* wyesexpr */
L"^[nN]" , /* wnoexpr */
L"yes" , /* wyesstr */
L"no" /* wnostr */
#endif
};
static struct lc_messages_T _messages_locale;
static int _messages_using_locale;
static char *_messages_locale_buf;
int
__messages_load_locale (const char *name, void *f_wctomb, const char *charset)
{
#ifdef __CYGWIN__
extern int __set_lc_messages_from_win (const char *,
const struct lc_messages_T *,
struct lc_messages_T *, char **,
void *, const char *);
int ret;
int old_messages_using_locale = _messages_using_locale;
_messages_using_locale = 0;
ret = __set_lc_messages_from_win (name, &_C_messages_locale,
&_messages_locale,
&_messages_locale_buf,
f_wctomb, charset);
/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
if (ret < 0)
_messages_using_locale = old_messages_using_locale;
else
{
_messages_using_locale = ret;
ret = 0;
}
return ret;
#else
/*
* Propose that we can have incomplete locale file (w/o "{yes,no}str").
* Initialize them before loading. In case of complete locale, they'll
* be initialized to loaded value, otherwise they'll not be touched.
*/
_messages_locale.yesstr = empty;
_messages_locale.nostr = empty;
return __part_load_locale(name, &_messages_using_locale,
_messages_locale_buf, "LC_MESSAGES",
LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
(const char **)&_messages_locale);
#endif
}
struct lc_messages_T *
__get_current_messages_locale(void) {
return (_messages_using_locale
? &_messages_locale
: (struct lc_messages_T *)&_C_messages_locale);
}
#ifdef LOCALE_DEBUG
void
msgdebug() {
printf( "yesexpr = %s\n"
"noexpr = %s\n"
"yesstr = %s\n"
"nostr = %s\n",
_messages_locale.yesexpr,
_messages_locale.noexpr,
_messages_locale.yesstr,
_messages_locale.nostr
);
}
#endif /* LOCALE_DEBUG */