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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* Copyright 2013 Garrett D'Amore <garrett@damore.org>
* Copyright (c) 2002-2004 Tim J. Robbins.
* 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.
*/
/*
* Copyright 2010 Nexenta Systems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include "lint.h"
#include "file64.h"
#include "mtlib.h"
#include "mse_int.h"
#include <errno.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <wchar.h>
#include <synch.h>
#include "mblocal.h"
#include "stdiom.h"
#include "mse.h"
#pragma weak _putwc = putwc
/*
* FreeBSD had both a MT safe and non-MT safe version. For whatever reason,
* we don't need the non-MT safe version. We do this because its faster,
* since we don't have to lock the file while doing the potentially expensive
* conversion from wide to mb.
*
* Solaris also has XPG5 and legacy semantics. The new standard requires
* that the stream orientation change, but legacy calls don't do that.
*
* Note that we had the source for the XPG5 version of this, but it relied
* on closed implementation bits that we lack, so we supply replacements
* here.
*/
static wint_t
__fputwc_impl(wchar_t wc, FILE *fp, int orient)
{
char buf[MB_LEN_MAX];
size_t i, len;
rmutex_t *mx;
/* If we are given WEOF, then we have to stop */
if (wc == WEOF)
return (WEOF);
if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
/*
* Assume single-byte locale with no special encoding.
*/
*buf = (unsigned char)wc;
len = 1;
} else {
/*
* FreeBSD used restartable wcrtomb. I think we can use
* the simpler wctomb form here. We should have a complete
* decode.
*/
if ((len = wctomb(buf, wc)) == (size_t)-1) {
fp->_flag |= _IOERR;
errno = EILSEQ;
return (WEOF);
}
}
FLOCKFILE(mx, fp);
/*
* This is used for XPG 5 semantics, which requires the stream
* orientation to be changed when the function is called.
*/
if (orient && GET_NO_MODE(fp)) {
_setorientation(fp, _WC_MODE);
}
for (i = 0; i < len; i++) {
if (PUTC((unsigned char)buf[i], fp) == EOF) {
FUNLOCKFILE(mx);
return (WEOF);
}
}
FUNLOCKFILE(mx);
return ((wint_t)wc);
}
wint_t
fputwc(wchar_t wc, FILE *fp)
{
return (__fputwc_impl(wc, fp, 0));
}
/*
* Trivial functional form of the typical macro.
*/
#undef __putwc
wint_t
putwc(wchar_t wc, FILE *fp)
{
return (__fputwc_impl(wc, fp, 0));
}
wint_t
__fputwc_xpg5(wint_t wc, FILE *fp)
{
return (__fputwc_impl(wc, fp, 1));
}
#undef __putwc_xpg5
wint_t
__putwc_xpg5(wint_t wc, FILE *fp)
{
return (__fputwc_impl(wc, fp, 1));
}
|
