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9fc0ff9d85
These wide char support files were copied from the previous versions with expanded $FreeBSD$ strings in #if 0 blocks. Remove them and the scssid definitions in the same #if 0 blocks. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D42688
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Donn Seeley at UUNET Technologies, Inc.
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*
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* Copyright (c) 2011 The FreeBSD Foundation
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*
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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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <limits.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#include "local.h"
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#include "xlocale_private.h"
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static int eofread(void *, char *, int);
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static int
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eofread(void *cookie, char *buf, int len)
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{
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return (0);
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}
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int
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vswscanf_l(const wchar_t * __restrict str, locale_t locale,
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const wchar_t * __restrict fmt, va_list ap)
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{
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static const mbstate_t initial;
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mbstate_t mbs;
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FILE f = FAKE_FILE;
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char *mbstr;
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size_t mlen;
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int r;
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const wchar_t *strp;
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FIX_LOCALE(locale);
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/*
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* XXX Convert the wide character string to multibyte, which
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* __vfwscanf() will convert back to wide characters.
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*/
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if ((mbstr = malloc(wcslen(str) * MB_CUR_MAX + 1)) == NULL)
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return (EOF);
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mbs = initial;
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strp = str;
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if ((mlen = wcsrtombs_l(mbstr, &strp, SIZE_T_MAX, &mbs, locale)) == (size_t)-1) {
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free(mbstr);
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return (EOF);
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}
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f._flags = __SRD;
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f._bf._base = f._p = (unsigned char *)mbstr;
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f._bf._size = f._r = mlen;
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f._read = eofread;
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r = __vfwscanf(&f, locale, fmt, ap);
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free(mbstr);
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return (r);
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}
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int
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vswscanf(const wchar_t * __restrict str, const wchar_t * __restrict fmt,
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va_list ap)
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{
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return vswscanf_l(str, __get_locale(), fmt, ap);
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}
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