xref: /titanic_52/usr/src/uts/sun4/os/bcmp.c (revision c2580b931007758eab8cb5ae8726ebe1588e259b)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  *	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.
29  *	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T
30  * 	All Rights Reserved
31  */
32 
33 /*
34  * Portions of this source code were derived from Berkeley  4.3 BSD
35  * under license from the Regents of the University of California.
36  */
37 
38 #pragma ident	"%Z%%M%	%I%	%E% SMI"
39 
40 #include <sys/types.h>
41 
42 /*
43  * Compare two byte streams.  Returns 0 if they're identical, 1
44  * if they're not.
45  */
46 int
47 bcmp(const void *s1_arg, const void *s2_arg, size_t len)
48 {
49 	const char *s1 = s1_arg;
50 	const char *s2 = s2_arg;
51 
52 	while (len--)
53 		if (*s1++ != *s2++)
54 		return (1);
55 	return (0);
56 }
57