1/*-
2 * Copyright (c) 2002-2004 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Copyright (c) 2011 The FreeBSD Foundation
6 * All rights reserved.
7 * Portions of this software were developed by David Chisnall
8 * under sponsorship from the FreeBSD Foundation.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD$");
34
35#include "namespace.h"
36#include <errno.h>
37#include <limits.h>
38#include <stdio.h>
39#include <stdlib.h>
40#include <wchar.h>
41#include "un-namespace.h"
42#include "libc_private.h"
43#include "local.h"
44#include "mblocal.h"
45
46/*
47 * Non-MT-safe version.
48 */
49wint_t
50__fputwc(wchar_t wc, FILE *fp, locale_t locale)
51{
52	char buf[MB_LEN_MAX];
53	size_t i, len;
54	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
55
56	if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
57		/*
58		 * Assume single-byte locale with no special encoding.
59		 * A more careful test would be to check
60		 * _CurrentRuneLocale->encoding.
61		 */
62		*buf = (unsigned char)wc;
63		len = 1;
64	} else {
65		if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
66			fp->_flags |= __SERR;
67			return (WEOF);
68		}
69	}
70
71	for (i = 0; i < len; i++)
72		if (__sputc((unsigned char)buf[i], fp) == EOF)
73			return (WEOF);
74
75	return ((wint_t)wc);
76}
77
78/*
79 * MT-safe version.
80 */
81wint_t
82fputwc_l(wchar_t wc, FILE *fp, locale_t locale)
83{
84	wint_t r;
85	FIX_LOCALE(locale);
86
87	FLOCKFILE(fp);
88	ORIENT(fp, 1);
89	r = __fputwc(wc, fp, locale);
90	FUNLOCKFILE(fp);
91
92	return (r);
93}
94wint_t
95fputwc(wchar_t wc, FILE *fp)
96{
97	return fputwc_l(wc, fp, __get_locale());
98}
99