xref: /titanic_44/usr/src/lib/libbc/libc/stdio/common/getw.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*      Copyright (c) 1984 AT&T */
23*7c478bd9Sstevel@tonic-gate /*        All Rights Reserved   */
24*7c478bd9Sstevel@tonic-gate 
25*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"  /* from S5R2 1.3 */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate /*LINTLIBRARY*/
28*7c478bd9Sstevel@tonic-gate /*
29*7c478bd9Sstevel@tonic-gate  * The intent here is to provide a means to make the order of
30*7c478bd9Sstevel@tonic-gate  * bytes in an io-stream correspond to the order of the bytes
31*7c478bd9Sstevel@tonic-gate  * in the memory while doing the io a `word' at a time.
32*7c478bd9Sstevel@tonic-gate  */
33*7c478bd9Sstevel@tonic-gate #include <stdio.h>
34*7c478bd9Sstevel@tonic-gate 
35*7c478bd9Sstevel@tonic-gate int
getw(stream)36*7c478bd9Sstevel@tonic-gate getw(stream)
37*7c478bd9Sstevel@tonic-gate register FILE *stream;
38*7c478bd9Sstevel@tonic-gate {
39*7c478bd9Sstevel@tonic-gate 	int w;
40*7c478bd9Sstevel@tonic-gate 	register char *s = (char *)&w;
41*7c478bd9Sstevel@tonic-gate 	register int i = sizeof(int);
42*7c478bd9Sstevel@tonic-gate 
43*7c478bd9Sstevel@tonic-gate 	while (--i >= 0)
44*7c478bd9Sstevel@tonic-gate 		*s++ = getc(stream);
45*7c478bd9Sstevel@tonic-gate 	return (feof(stream) || ferror(stream) ? EOF : w);
46*7c478bd9Sstevel@tonic-gate }
47