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

134 lines
3.9 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 "setlocale.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 *))
#ifndef __CYGWIN__
static char empty[] = "";
#endif
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
};
#ifndef __CYGWIN__
static struct lc_messages_T _messages_locale;
static int _messages_using_locale;
static char *_messages_locale_buf;
#endif
int
__messages_load_locale (struct _thr_locale_t *locale, const char *name,
void *f_wctomb, const char *charset)
{
int ret;
struct lc_messages_T me;
char *bufp = NULL;
#ifdef __CYGWIN__
extern int __set_lc_messages_from_win (const char *,
const struct lc_messages_T *,
struct lc_messages_T *, char **,
void *, const char *);
ret = __set_lc_messages_from_win (name, &_C_messages_locale, &me, &bufp,
f_wctomb, charset);
/* ret == -1: error, ret == 0: C/POSIX, ret > 0: valid */
if (ret >= 0)
{
struct lc_messages_T *mep = NULL;
if (ret > 0)
{
mep = (struct lc_messages_T *) calloc (1, sizeof *mep);
if (!mep)
return -1;
memcpy (mep, &me, sizeof *mep);
}
locale->messages = ret == 0 ? NULL : mep;
if (locale->messages_buf)
free (locale->messages_buf);
locale->messages_buf = bufp;
ret = 0;
}
#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;
ret = __part_load_locale(name, &_messages_using_locale,
_messages_locale_buf, "LC_MESSAGES",
LCMESSAGES_SIZE_FULL, LCMESSAGES_SIZE_MIN,
(const char **)&_messages_locale);
#endif
return ret;
}
struct lc_messages_T *
__get_current_messages_locale (void)
{
struct _thr_locale_t *cur_locale = __get_current_locale ();
return cur_locale->messages ?: (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 */