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1/*-
2 * Copyright (c) 2002-2004 Tim J. Robbins.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: src/lib/libc/stdio/fputws.c,v 1.6 2004/07/21 10:54:57 tjr Exp $");
29
30#include "namespace.h"
31#include <errno.h>
32#include <limits.h>
33#include <stdio.h>
34#include <wchar.h>
35#include "un-namespace.h"
36#include "fvwrite.h"
37#include "libc_private.h"
38#include "local.h"
39#include "mblocal.h"
40
41int
42fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
43{
44 size_t nbytes;
45 char buf[BUFSIZ];
46 struct __suio uio;
47 struct __siov iov;
48
49 FLOCKFILE(fp);
50 ORIENT(fp, 1);
51 if (prepwrite(fp) != 0)
52 goto error;
53 uio.uio_iov = &iov;
54 uio.uio_iovcnt = 1;
55 iov.iov_base = buf;
56 do {
57 nbytes = __wcsnrtombs(buf, &ws, SIZE_T_MAX, sizeof(buf),
58 &fp->_extra->mbstate);
59 if (nbytes == (size_t)-1)
60 goto error;
61 iov.iov_len = uio.uio_resid = nbytes;
62 if (__sfvwrite(fp, &uio) != 0)
63 goto error;
64 } while (ws != NULL);
65 FUNLOCKFILE(fp);
66 return (0);
67
68error:
69 FUNLOCKFILE(fp);
70 return (-1);
71}