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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.
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.
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]
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
28 #include <sys/types.h>
31 * Appends src to the dstsize buffer at dst. The append will never
32 * overflow the destination buffer and the buffer will always be null
33 * terminated. Never reference beyond &dst[dstsize-1] when computing
34 * the length of the pre-existing string.
38 strlcat(char *dst
, const char *src
, size_t dstsize
)
41 size_t left
= dstsize
;
43 size_t l2
= strlen(src
);
46 while (left
-- != 0 && *df
!= '\0')
52 copied
= l1
+ l2
>= dstsize
? dstsize
- l1
- 1 : l2
;
53 (void) memcpy(dst
+ l1
, src
, copied
);
54 dst
[l1
+copied
] = '\0';