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 #include "lint.h"
28 #include <string.h>
29 #include <sys/types.h>
30
31 /*
32 * Copies src to the dstsize buffer at dst. The copy will never
33 * overflow the destination buffer and the buffer will always be null
34 * terminated.
35 */
36
37 size_t
strlcpy(char * dst,const char * src,size_t len)38 strlcpy(char *dst, const char *src, size_t len)
39 {
40 size_t slen = strlen(src);
41 size_t copied;
42
43 if (len == 0)
44 return (slen);
45
46 if (slen >= len)
47 copied = len - 1;
48 else
49 copied = slen;
50 (void) memcpy(dst, src, copied);
51 dst[copied] = '\0';
52 return (slen);
53 }
54