4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
27 #ifndef _LIBSPL_STRING_H
28 #define _LIBSPL_STRING_H
30 #include_next <string.h>
31 #include <sys/types.h>
34 * Appends src to the dstsize buffer at dst. The append will never
35 * overflow the destination buffer and the buffer will always be null
36 * terminated. Never reference beyond &dst[dstsize-1] when computing
37 * the length of the pre-existing string.
40 strlcat(char *dst, const char *src, size_t dstsize)
43 size_t left = dstsize;
45 size_t l2 = strlen(src);
48 while (left-- != 0 && *df != '\0')
56 copied = l1 + l2 >= dstsize ? dstsize - l1 - 1 : l2;
57 (void) memcpy(dst + l1, src, copied);
58 dst[l1+copied] = '\0';
64 * Copies src to the dstsize buffer at dst. The copy will never
65 * overflow the destination buffer and the buffer will always be null
69 strlcpy(char *dst, const char *src, size_t len)
71 size_t slen = strlen(src);
76 size_t copied = (slen >= len) ? len - 1 : slen;
77 (void) memcpy(dst, src, copied);