1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2002-2004 Tim J. Robbins.
5 * All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 *
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #include "namespace.h"
35 #include <errno.h>
36 #include <limits.h>
37 #include <stdio.h>
38 #include <wchar.h>
39 #include "un-namespace.h"
40 #include "fvwrite.h"
41 #include "libc_private.h"
42 #include "local.h"
43 #include "mblocal.h"
44
45 int
fputws_l(const wchar_t * __restrict ws,FILE * __restrict fp,locale_t locale)46 fputws_l(const wchar_t * __restrict ws, FILE * __restrict fp, locale_t locale)
47 {
48 size_t nbytes;
49 char buf[BUFSIZ];
50 struct __suio uio;
51 struct __siov iov;
52 const wchar_t *wsp;
53 FIX_LOCALE(locale);
54 struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
55 int ret;
56
57 ret = -1;
58 FLOCKFILE_CANCELSAFE(fp);
59 ORIENT(fp, 1);
60 if (prepwrite(fp) != 0)
61 goto end;
62 uio.uio_iov = &iov;
63 uio.uio_iovcnt = 1;
64 iov.iov_base = buf;
65 wsp = ws;
66 do {
67 nbytes = l->__wcsnrtombs(buf, &wsp, SIZE_T_MAX, sizeof(buf),
68 &fp->_mbstate);
69 if (nbytes == (size_t)-1)
70 goto end;
71 uio.uio_resid = iov.iov_len = nbytes;
72 if (__sfvwrite(fp, &uio) != 0)
73 goto end;
74 } while (wsp != NULL);
75 ret = 0;
76 end:
77 FUNLOCKFILE_CANCELSAFE();
78 return (ret);
79 }
80
81 int
fputws(const wchar_t * __restrict ws,FILE * __restrict fp)82 fputws(const wchar_t * __restrict ws, FILE * __restrict fp)
83 {
84 return fputws_l(ws, fp, __get_locale());
85 }
86