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/*-
* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Donn Seeley at UUNET Technologies, Inc.
*
* Copyright (c) 2011 The FreeBSD Foundation
*
* Portions of this software were developed by David Chisnall
* under sponsorship from the FreeBSD Foundation.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "local.h"
#include "xlocale_private.h"
static int eofread(void *, char *, int);
static int
eofread(void *cookie, char *buf, int len)
{
return (0);
}
int
vswscanf_l(const wchar_t * __restrict str, locale_t locale,
const wchar_t * __restrict fmt, va_list ap)
{
static const mbstate_t initial;
mbstate_t mbs;
FILE f = FAKE_FILE;
char *mbstr;
size_t mlen;
int r;
const wchar_t *strp;
FIX_LOCALE(locale);
/*
* XXX Convert the wide character string to multibyte, which
* __vfwscanf() will convert back to wide characters.
*/
if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX + 1)) == NULL)
return (EOF);
mbs = initial;
strp = str;
if ((mlen = wcsrtombs_l(mbstr, &strp, SIZE_T_MAX, &mbs, locale)) == (size_t)-1) {
free(mbstr);
return (EOF);
}
f._flags = __SRD;
f._bf._base = f._p = (unsigned char *)mbstr;
f._bf._size = f._r = mlen;
f._read = eofread;
r = __vfwscanf(&f, locale, fmt, ap);
free(mbstr);
return (r);
}
int
vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict fmt,
va_list ap)
{
return vswscanf_l(str, __get_locale(), fmt, ap);
}
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