mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 18:56:38 +00:00
559a218c9b
These sys/cdefs.h are not needed. Purge them. They are mostly left-over from the $FreeBSD$ removal. A few in libc are still required for macros that cdefs.h defines. Keep those. Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D42385
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*
|
|
* Copyright (c) 2002-2004 Tim J. Robbins.
|
|
* All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* 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 "namespace.h"
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
#include "un-namespace.h"
|
|
#include "libc_private.h"
|
|
#include "local.h"
|
|
#include "mblocal.h"
|
|
#include "xlocale_private.h"
|
|
|
|
/*
|
|
* Non-MT-safe version.
|
|
*/
|
|
wint_t
|
|
__ungetwc(wint_t wc, FILE *fp, locale_t locale)
|
|
{
|
|
char buf[MB_LEN_MAX];
|
|
size_t len;
|
|
struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
|
|
|
|
if (wc == WEOF)
|
|
return (WEOF);
|
|
if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
|
|
fp->_flags |= __SERR;
|
|
return (WEOF);
|
|
}
|
|
while (len-- != 0)
|
|
if (__ungetc((unsigned char)buf[len], fp) == EOF)
|
|
return (WEOF);
|
|
|
|
return (wc);
|
|
}
|
|
|
|
/*
|
|
* MT-safe version.
|
|
*/
|
|
wint_t
|
|
ungetwc_l(wint_t wc, FILE *fp, locale_t locale)
|
|
{
|
|
wint_t r;
|
|
FIX_LOCALE(locale);
|
|
|
|
FLOCKFILE_CANCELSAFE(fp);
|
|
ORIENT(fp, 1);
|
|
r = __ungetwc(wc, fp, locale);
|
|
FUNLOCKFILE_CANCELSAFE();
|
|
|
|
return (r);
|
|
}
|
|
wint_t
|
|
ungetwc(wint_t wc, FILE *fp)
|
|
{
|
|
return ungetwc_l(wc, fp, __get_locale());
|
|
}
|