xref: /freebsd/lib/libc/stdio/fputwc.c (revision 559a218c9b257775fb249b67945fe4a05b7a6b9f)
1e74101e4STim J. Robbins /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3d915a14eSPedro F. Giffuni  *
487275e43STim J. Robbins  * Copyright (c) 2002-2004 Tim J. Robbins.
5e74101e4STim J. Robbins  * All rights reserved.
6e74101e4STim J. Robbins  *
73c87aa1dSDavid Chisnall  * Copyright (c) 2011 The FreeBSD Foundation
85b5fa75aSEd Maste  *
93c87aa1dSDavid Chisnall  * Portions of this software were developed by David Chisnall
103c87aa1dSDavid Chisnall  * under sponsorship from the FreeBSD Foundation.
113c87aa1dSDavid Chisnall  *
12e74101e4STim J. Robbins  * Redistribution and use in source and binary forms, with or without
13e74101e4STim J. Robbins  * modification, are permitted provided that the following conditions
14e74101e4STim J. Robbins  * are met:
15e74101e4STim J. Robbins  * 1. Redistributions of source code must retain the above copyright
16e74101e4STim J. Robbins  *    notice, this list of conditions and the following disclaimer.
17e74101e4STim J. Robbins  * 2. Redistributions in binary form must reproduce the above copyright
18e74101e4STim J. Robbins  *    notice, this list of conditions and the following disclaimer in the
19e74101e4STim J. Robbins  *    documentation and/or other materials provided with the distribution.
20e74101e4STim J. Robbins  *
21e74101e4STim J. Robbins  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22e74101e4STim J. Robbins  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23e74101e4STim J. Robbins  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24e74101e4STim J. Robbins  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25e74101e4STim J. Robbins  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26e74101e4STim J. Robbins  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27e74101e4STim J. Robbins  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28e74101e4STim J. Robbins  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29e74101e4STim J. Robbins  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30e74101e4STim J. Robbins  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31e74101e4STim J. Robbins  * SUCH DAMAGE.
32e74101e4STim J. Robbins  */
33e74101e4STim J. Robbins 
34e74101e4STim J. Robbins #include "namespace.h"
35e74101e4STim J. Robbins #include <errno.h>
360b7bc802STim J. Robbins #include <limits.h>
37e74101e4STim J. Robbins #include <stdio.h>
3824990dfaSTim J. Robbins #include <stdlib.h>
39e74101e4STim J. Robbins #include <wchar.h>
40e74101e4STim J. Robbins #include "un-namespace.h"
41e74101e4STim J. Robbins #include "libc_private.h"
42e74101e4STim J. Robbins #include "local.h"
43f9ceea9bSTim J. Robbins #include "mblocal.h"
44e74101e4STim J. Robbins 
458f030a44STim J. Robbins /*
468f030a44STim J. Robbins  * Non-MT-safe version.
478f030a44STim J. Robbins  */
48e74101e4STim J. Robbins wint_t
__fputwc(wchar_t wc,FILE * fp,locale_t locale)493c87aa1dSDavid Chisnall __fputwc(wchar_t wc, FILE *fp, locale_t locale)
50e74101e4STim J. Robbins {
5124990dfaSTim J. Robbins 	char buf[MB_LEN_MAX];
5224990dfaSTim J. Robbins 	size_t i, len;
533c87aa1dSDavid Chisnall 	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
54e74101e4STim J. Robbins 
553c87aa1dSDavid Chisnall 	if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
566180233fSTim J. Robbins 		fp->_flags |= __SERR;
5724990dfaSTim J. Robbins 		return (WEOF);
580b7bc802STim J. Robbins 	}
5924990dfaSTim J. Robbins 
6024990dfaSTim J. Robbins 	for (i = 0; i < len; i++)
618f030a44STim J. Robbins 		if (__sputc((unsigned char)buf[i], fp) == EOF)
6224990dfaSTim J. Robbins 			return (WEOF);
6324990dfaSTim J. Robbins 
6424990dfaSTim J. Robbins 	return ((wint_t)wc);
65e74101e4STim J. Robbins }
668f030a44STim J. Robbins 
678f030a44STim J. Robbins /*
688f030a44STim J. Robbins  * MT-safe version.
698f030a44STim J. Robbins  */
708f030a44STim J. Robbins wint_t
fputwc_l(wchar_t wc,FILE * fp,locale_t locale)713c87aa1dSDavid Chisnall fputwc_l(wchar_t wc, FILE *fp, locale_t locale)
728f030a44STim J. Robbins {
738f030a44STim J. Robbins 	wint_t r;
743c87aa1dSDavid Chisnall 	FIX_LOCALE(locale);
758f030a44STim J. Robbins 
76fda0a14fSKonstantin Belousov 	FLOCKFILE_CANCELSAFE(fp);
778f030a44STim J. Robbins 	ORIENT(fp, 1);
783c87aa1dSDavid Chisnall 	r = __fputwc(wc, fp, locale);
79fda0a14fSKonstantin Belousov 	FUNLOCKFILE_CANCELSAFE();
808f030a44STim J. Robbins 
818f030a44STim J. Robbins 	return (r);
828f030a44STim J. Robbins }
833c87aa1dSDavid Chisnall wint_t
fputwc(wchar_t wc,FILE * fp)843c87aa1dSDavid Chisnall fputwc(wchar_t wc, FILE *fp)
853c87aa1dSDavid Chisnall {
863c87aa1dSDavid Chisnall 	return fputwc_l(wc, fp, __get_locale());
873c87aa1dSDavid Chisnall }
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