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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include "libmail.h"
34 
35 /*
36  *  NAME
37  *	strmove - copy a string, permitting overlaps
38  *
39  *  SYNOPSIS
40  *	void strmove(char *to, char *from)
41  *
42  *  DESCRIPTION
43  *	strmove() acts exactly like strcpy() with the additional
44  *	guarantee that it will work with overlapping strings.
45  *	It does it left-to-right, a byte at a time.
46  */
47 
48 void
strmove(char * to,char * from)49 strmove(char *to, char *from)
50 {
51 	while ((*to++ = *from++) != 0)
52 		;
53 }
54