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: stable/10/lib/libc/stdio/fputws.c 321074 2017-07-17 14:09:34Z kib $");
34
35#include "namespace.h"
36#include <errno.h>
37#include <limits.h>
38#include <stdio.h>
39#include <wchar.h>
40#include "un-namespace.h"
41#include "fvwrite.h"
42#include "libc_private.h"
43#include "local.h"
44#include "mblocal.h"
45
46int
47fputws_l(const wchar_t * __restrict ws, FILE * __restrict fp, locale_t locale)
48{
49	size_t nbytes;
50	char buf[BUFSIZ];
51	struct __suio uio;
52	struct __siov iov;
53	const wchar_t *wsp;
54	FIX_LOCALE(locale);
55	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
56	int ret;
57
58	ret = -1;
59	FLOCKFILE_CANCELSAFE(fp);
60	ORIENT(fp, 1);
61	if (prepwrite(fp) != 0)
62		goto end;
63	uio.uio_iov = &iov;
64	uio.uio_iovcnt = 1;
65	iov.iov_base = buf;
66	wsp = ws;
67	do {
68		nbytes = l->__wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf),
69		    &fp->_mbstate);
70		if (nbytes == (size_t)-1)
71			goto end;
72		uio.uio_resid = iov.iov_len = nbytes;
73		if (__sfvwrite(fp, &uio) != 0)
74			goto end;
75	} while (wsp != NULL);
76	ret = 0;
77end:
78	FUNLOCKFILE_CANCELSAFE();
79	return (ret);
80}
81
82int
83fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
84{
85	return fputws_l(ws, fp, __get_locale());
86}
87