2 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
4 * Permission to use, copy, modify, and distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 * $OpenBSD: strlcpy.c,v 1.11 2006/05/05 15:27:38 millert Exp $
17 * $FreeBSD: src/lib/libc/string/strlcpy.c,v 1.10 2008/10/19 10:11:35 delphij Exp $
18 * $DragonFly: src/lib/libc/string/strlcpy.c,v 1.4 2005/09/18 16:32:34 asmodai Exp $
21 #include <sys/types.h>
25 * Copy src to string dst of size siz. At most siz-1 characters
26 * will be copied. Always NUL terminates (unless siz == 0).
27 * Returns strlen(src); if retval >= siz, truncation occurred.
30 strlcpy(char *dst, const char *src, size_t siz)
36 /* Copy as many bytes as will fit */
39 if ((*d++ = *s++) == '\0')
44 /* Not enough room in dst, add NUL and traverse rest of src */
47 *d = '\0'; /* NUL-terminate dst */
52 return(s - src - 1); /* count does not include NUL */