xref: /freebsd/lib/libc/stdio/fputws.c (revision 559a218c9b257775fb249b67945fe4a05b7a6b9f)
1e74101e4STim J. Robbins /*-
2*4d846d26SWarner Losh  * SPDX-License-Identifier: BSD-2-Clause
3d915a14eSPedro F. Giffuni  *
42f2c1839STim 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>
361949a347STim J. Robbins #include <limits.h>
37e74101e4STim J. Robbins #include <stdio.h>
38e74101e4STim J. Robbins #include <wchar.h>
39e74101e4STim J. Robbins #include "un-namespace.h"
402f2c1839STim J. Robbins #include "fvwrite.h"
41e74101e4STim J. Robbins #include "libc_private.h"
42e74101e4STim J. Robbins #include "local.h"
432f2c1839STim J. Robbins #include "mblocal.h"
44e74101e4STim J. Robbins 
45e74101e4STim J. Robbins int
fputws_l(const wchar_t * __restrict ws,FILE * __restrict fp,locale_t locale)463c87aa1dSDavid Chisnall fputws_l(const wchar_t * __restrict ws, FILE * __restrict fp, locale_t locale)
47e74101e4STim J. Robbins {
482f2c1839STim J. Robbins 	size_t nbytes;
492f2c1839STim J. Robbins 	char buf[BUFSIZ];
502f2c1839STim J. Robbins 	struct __suio uio;
512f2c1839STim J. Robbins 	struct __siov iov;
52f27b1c06SRoman Divacky 	const wchar_t *wsp;
533c87aa1dSDavid Chisnall 	FIX_LOCALE(locale);
543c87aa1dSDavid Chisnall 	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
55fda0a14fSKonstantin Belousov 	int ret;
56e74101e4STim J. Robbins 
57fda0a14fSKonstantin Belousov 	ret = -1;
58fda0a14fSKonstantin Belousov 	FLOCKFILE_CANCELSAFE(fp);
597591ae56STim J. Robbins 	ORIENT(fp, 1);
602f2c1839STim J. Robbins 	if (prepwrite(fp) != 0)
61fda0a14fSKonstantin Belousov 		goto end;
622f2c1839STim J. Robbins 	uio.uio_iov = &iov;
632f2c1839STim J. Robbins 	uio.uio_iovcnt = 1;
642f2c1839STim J. Robbins 	iov.iov_base = buf;
65f27b1c06SRoman Divacky 	wsp = ws;
6686dc3a9aSDavid Schultz 	do {
673c87aa1dSDavid Chisnall 		nbytes = l->__wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf),
681e98f887SJohn Baldwin 		    &fp->_mbstate);
692f2c1839STim J. Robbins 		if (nbytes == (size_t)-1)
70fda0a14fSKonstantin Belousov 			goto end;
7186727cc9SPedro F. Giffuni 		uio.uio_resid = iov.iov_len = nbytes;
722f2c1839STim J. Robbins 		if (__sfvwrite(fp, &uio) != 0)
73fda0a14fSKonstantin Belousov 			goto end;
74177628ceSDavid Schultz 	} while (wsp != NULL);
75fda0a14fSKonstantin Belousov 	ret = 0;
76fda0a14fSKonstantin Belousov end:
77fda0a14fSKonstantin Belousov 	FUNLOCKFILE_CANCELSAFE();
78fda0a14fSKonstantin Belousov 	return (ret);
797591ae56STim J. Robbins }
803c87aa1dSDavid Chisnall 
813c87aa1dSDavid Chisnall int
fputws(const wchar_t * __restrict ws,FILE * __restrict fp)823c87aa1dSDavid Chisnall fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
833c87aa1dSDavid Chisnall {
843c87aa1dSDavid Chisnall 	return fputws_l(ws, fp, __get_locale());
853c87aa1dSDavid Chisnall }
86