1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2002-2004 Tim J. Robbins.
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 *
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 *    notice, this list of conditions and the following disclaimer in the
19 *    documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "namespace.h"
35#include <errno.h>
36#include <limits.h>
37#include <stdio.h>
38#include <stdlib.h>
39#include <wchar.h>
40#include "un-namespace.h"
41#include "libc_private.h"
42#include "local.h"
43#include "mblocal.h"
44
45/*
46 * Non-MT-safe version.
47 */
48wint_t
49__fputwc(wchar_t wc, FILE *fp, locale_t locale)
50{
51	char buf[MB_LEN_MAX];
52	size_t i, len;
53	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
54
55	if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
56		fp->_flags |= __SERR;
57		return (WEOF);
58	}
59
60	for (i = 0; i < len; i++)
61		if (__sputc((unsigned char)buf[i], fp) == EOF)
62			return (WEOF);
63
64	return ((wint_t)wc);
65}
66
67/*
68 * MT-safe version.
69 */
70wint_t
71fputwc_l(wchar_t wc, FILE *fp, locale_t locale)
72{
73	wint_t r;
74	FIX_LOCALE(locale);
75
76	FLOCKFILE_CANCELSAFE(fp);
77	ORIENT(fp, 1);
78	r = __fputwc(wc, fp, locale);
79	FUNLOCKFILE_CANCELSAFE();
80
81	return (r);
82}
83wint_t
84fputwc(wchar_t wc, FILE *fp)
85{
86	return fputwc_l(wc, fp, __get_locale());
87}
88