blob: 9c81e8cea93b938e5b4a3a558b2d49b2b4ffaf1d (
plain)
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
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
/*
* The intent here is to provide a means to make the order of
* bytes in an io-stream correspond to the order of the bytes
* in the memory while doing the io a `word' at a time.
*/
#pragma weak _getw = getw
#include "lint.h"
#include "file64.h"
#include "mtlib.h"
#include <stdio.h>
#include <thread.h>
#include <synch.h>
#include "stdiom.h"
/* Read sizeof(int) characters from stream and return these in an int */
int
getw(FILE *stream)
{
int w;
char *s = (char *)&w;
int i = sizeof (int);
int ret;
rmutex_t *lk;
FLOCKFILE(lk, stream);
while (--i >= 0 && !(stream->_flag & (_IOERR | _IOEOF)))
*s++ = getc_unlocked(stream);
ret = ((stream->_flag & (_IOERR | _IOEOF)) ? EOF : w);
FUNLOCKFILE(lk);
return (ret);
}
|
