1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/* $OpenBSD: fputwc.c,v 1.1 2005/06/17 20:40:32 espie Exp $ */
/* $NetBSD: fputwc.c,v 1.3 2003/03/07 07:11:37 tshiozak Exp $ */
/*-
* Copyright (c)2001 Citrus Project,
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Citrus$
*/
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <wchar.h>
#include "local.h"
#include "fvwrite.h"
wint_t
__fputwc_unlock(wchar_t wc, FILE *fp)
{
struct wchar_io_data *wcio;
mbstate_t *st;
size_t size;
char buf[MB_LEN_MAX];
struct __suio uio;
struct __siov iov;
/* LINTED we don't play with buf */
iov.iov_base = (void *)buf;
uio.uio_iov = &iov;
uio.uio_iovcnt = 1;
_SET_ORIENTATION(fp, 1);
wcio = WCIO_GET(fp);
if (wcio == 0) {
errno = ENOMEM;
return WEOF;
}
wcio->wcio_ungetwc_inbuf = 0;
st = &wcio->wcio_mbstate_out;
size = wcrtomb(buf, wc, st);
if (size == (size_t)-1) {
errno = EILSEQ;
return WEOF;
}
uio.uio_resid = iov.iov_len = size;
if (__sfvwrite(fp, &uio)) {
return WEOF;
}
return (wint_t)wc;
}
wint_t
fputwc(wchar_t wc, FILE *fp)
{
wint_t r;
flockfile(fp);
r = __fputwc_unlock(wc, fp);
funlockfile(fp);
return (r);
}
|