2 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
17 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
18 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
19 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 * $OpenBSD: strlcat.c,v 1.3 2000/11/24 11:10:02 itojun Exp $
28 * $NetBSD: wcslcat.c,v 1.1 2000/12/23 23:14:36 itojun Exp $
29 * $FreeBSD: src/lib/libc/string/wcslcat.c,v 1.3.2.1 2001/07/11 23:48:38 obrien Exp $
30 * $DragonFly: src/lib/libcr/string/Attic/wcslcat.c,v 1.2 2003/06/17 04:26:47 dillon Exp $
33 #include <sys/types.h>
38 * Appends src to string dst of size siz (unlike wcsncat, siz is the
39 * full size of dst, not space left). At most siz-1 characters
40 * will be copied. Always NUL terminates (unless siz == 0).
41 * Returns wcslen(initial dst) + wcslen(src); if retval >= siz,
42 * truncation occurred.
45 wcslcat(dst, src, siz)
51 const wchar_t *s = src;
55 /* Find the end of dst and adjust bytes left but don't go past end */
56 while (*d != '\0' && n-- != 0)
62 return(dlen + wcslen(s));
72 return(dlen + (s - src)); /* count does not include NUL */