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/*-
* 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.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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.
FreeBSD: src/lib/libc/stdio/vswscanf.c,v 1.3 2004/04/07 09:55:05 tjr Exp
NetBSD: vswscanf.c,v 1.3 2005/12/02 13:51:22 yamt Exp
*/
#include <LibConfig.h>
#include <sys/EfiCdefs.h>
#include <limits.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include <sys/types.h>
#include "reentrant.h"
#include "local.h"
static int eofread(void *, char *, int);
static int
/*ARGSUSED*/
eofread(void *cookie, char *buf, int len)
{
return (0);
}
int
vswscanf(
const wchar_t * __restrict str,
const wchar_t * __restrict fmt,
va_list ap
)
{
static const mbstate_t initial = { 0 };
mbstate_t mbs;
FILE f;
char *mbstr;
size_t mlen;
int r;
const wchar_t *rstr = str;
struct __sfileext fext = { { 0 } };
/*
* 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;
if ((mlen = wcsrtombs(mbstr, &rstr, SIZE_T_MAX, &mbs)) == (size_t)-1) {
free(mbstr);
return (EOF);
}
_FILEEXT_SETUP(&f, &fext);
f._file = -1;
f._flags = __SRD;
f._bf._base = f._p = (unsigned char *)mbstr;
f._bf._size = f._r = (int)mlen;
f._read = eofread;
_UB(&f)._base = NULL;
f._lb._base = NULL;
r = __vfwscanf_unlocked(&f, fmt, ap);
free(mbstr);
return (r);
}
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