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 https://opensource.org/licenses/CDDL-1.0.
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.
29 #include <sys/types.h>
32 * Appends src to the dstsize buffer at dst. The append will never
33 * overflow the destination buffer and the buffer will always be null
34 * terminated. Never reference beyond &dst[dstsize-1] when computing
35 * the length of the pre-existing string.
39 strlcat(char *dst, const char *src, size_t dstsize)
42 size_t left = dstsize;
44 size_t l2 = strlen(src);
47 while (left-- != 0 && *df != '\0')
53 copied = l1 + l2 >= dstsize ? dstsize - l1 - 1 : l2;
54 (void) memcpy(dst + l1, src, copied);
55 dst[l1+copied] = '\0';