1*19fa39c6Sschwarze /* $OpenBSD: fputwc.c,v 1.7 2016/01/26 13:57:02 schwarze Exp $ */
2c2fb3212Sespie /* $NetBSD: fputwc.c,v 1.3 2003/03/07 07:11:37 tshiozak Exp $ */
3c2fb3212Sespie
4c2fb3212Sespie /*-
5c2fb3212Sespie * Copyright (c)2001 Citrus Project,
6c2fb3212Sespie * All rights reserved.
7c2fb3212Sespie *
8c2fb3212Sespie * Redistribution and use in source and binary forms, with or without
9c2fb3212Sespie * modification, are permitted provided that the following conditions
10c2fb3212Sespie * are met:
11c2fb3212Sespie * 1. Redistributions of source code must retain the above copyright
12c2fb3212Sespie * notice, this list of conditions and the following disclaimer.
13c2fb3212Sespie * 2. Redistributions in binary form must reproduce the above copyright
14c2fb3212Sespie * notice, this list of conditions and the following disclaimer in the
15c2fb3212Sespie * documentation and/or other materials provided with the distribution.
16c2fb3212Sespie *
17c2fb3212Sespie * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18c2fb3212Sespie * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19c2fb3212Sespie * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20c2fb3212Sespie * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21c2fb3212Sespie * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22c2fb3212Sespie * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23c2fb3212Sespie * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24c2fb3212Sespie * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25c2fb3212Sespie * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26c2fb3212Sespie * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27c2fb3212Sespie * SUCH DAMAGE.
28c2fb3212Sespie *
29c2fb3212Sespie * $Citrus$
30c2fb3212Sespie */
31c2fb3212Sespie
32c2fb3212Sespie #include <errno.h>
33c2fb3212Sespie #include <limits.h>
34c2fb3212Sespie #include <stdio.h>
35c2fb3212Sespie #include <wchar.h>
36c2fb3212Sespie #include "local.h"
37c2fb3212Sespie #include "fvwrite.h"
38c2fb3212Sespie
39c2fb3212Sespie wint_t
__fputwc_unlock(wchar_t wc,FILE * fp)40c2fb3212Sespie __fputwc_unlock(wchar_t wc, FILE *fp)
41c2fb3212Sespie {
42c2fb3212Sespie struct wchar_io_data *wcio;
43c2fb3212Sespie mbstate_t *st;
44c2fb3212Sespie size_t size;
45c2fb3212Sespie char buf[MB_LEN_MAX];
46c2fb3212Sespie struct __suio uio;
47c2fb3212Sespie struct __siov iov;
48c2fb3212Sespie
499d9553bdSguenther iov.iov_base = buf;
50c2fb3212Sespie uio.uio_iov = &iov;
51c2fb3212Sespie uio.uio_iovcnt = 1;
52c2fb3212Sespie
53c2fb3212Sespie _SET_ORIENTATION(fp, 1);
54c2fb3212Sespie wcio = WCIO_GET(fp);
55c2fb3212Sespie if (wcio == 0) {
56c2fb3212Sespie errno = ENOMEM;
57c2fb3212Sespie return WEOF;
58c2fb3212Sespie }
59c2fb3212Sespie
60c2fb3212Sespie wcio->wcio_ungetwc_inbuf = 0;
61c2fb3212Sespie st = &wcio->wcio_mbstate_out;
62c2fb3212Sespie
63c2fb3212Sespie size = wcrtomb(buf, wc, st);
64c2fb3212Sespie if (size == (size_t)-1) {
65*19fa39c6Sschwarze fp->_flags |= __SERR;
66c2fb3212Sespie return WEOF;
67c2fb3212Sespie }
68c2fb3212Sespie
69c2fb3212Sespie uio.uio_resid = iov.iov_len = size;
70c2fb3212Sespie if (__sfvwrite(fp, &uio)) {
71c2fb3212Sespie return WEOF;
72c2fb3212Sespie }
73c2fb3212Sespie
74c2fb3212Sespie return (wint_t)wc;
75c2fb3212Sespie }
76c2fb3212Sespie
77c2fb3212Sespie wint_t
fputwc(wchar_t wc,FILE * fp)78c2fb3212Sespie fputwc(wchar_t wc, FILE *fp)
79c2fb3212Sespie {
80c2fb3212Sespie wint_t r;
81c2fb3212Sespie
82c5acf43aSkurt FLOCKFILE(fp);
83c2fb3212Sespie r = __fputwc_unlock(wc, fp);
84c5acf43aSkurt FUNLOCKFILE(fp);
85c2fb3212Sespie
86c2fb3212Sespie return (r);
87c2fb3212Sespie }
889b9d2a55Sguenther DEF_STRONG(fputwc);
89