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