1 /*
2 * $smu-mark$
3 * $name: strLcpy.c$
4 * $author: Nicolas Jombart <ecureuil@hsc.fr>$
5 * $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$
6 * *copyright: (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>$
7 * $license: This software is under GPL version 2 of license$
8 * $date: Wed Feb 13 17:02:32 CET 2002$
9 * $rev:$
10 */
11
12 /* $OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $ */
13
14 /*
15 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
16 * All rights reserved.
17 *
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions
20 * are met:
21 * 1. Redistributions of source code must retain the above copyright
22 * notice, this list of conditions and the following disclaimer.
23 * 2. Redistributions in binary form must reproduce the above copyright
24 * notice, this list of conditions and the following disclaimer in the
25 * documentation and/or other materials provided with the distribution.
26 * 3. The name of the author may not be used to endorse or promote products
27 * derived from this software without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
30 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
31 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
35 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
36 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
37 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
38 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 */
40
41 /* $Id: strlcpy.c,v 1.1.1.1 2003/08/31 17:23:55 antirez Exp $ */
42
43 /* This function comes from BSD */
44 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__) && \
45 !defined(__bsdi__) && !defined(__APPLE__)
46 #include <sys/types.h>
47 #include <string.h>
48
49 /*
50 * Copy src to string dst of size siz. At most siz-1 characters
51 * will be copied. Always NUL terminates (unless siz == 0).
52 * Returns strlen(src); if retval >= siz, truncation occurred.
53 */
strlcpy(dst,src,siz)54 size_t strlcpy(dst, src, siz)
55 char *dst;
56 const char *src;
57 size_t siz;
58 {
59 register char *d = dst;
60 register const char *s = src;
61 register size_t n = siz;
62
63 /* Copy as many bytes as will fit */
64 if (n != 0 && --n != 0) {
65 do {
66 if ((*d++ = *s++) == 0)
67 break;
68 } while (--n != 0);
69 }
70
71 /* Not enough room in dst, add NUL and traverse rest of src */
72 if (n == 0) {
73 if (siz != 0)
74 *d = '\0'; /* NUL-terminate dst */
75 while (*s++)
76 ;
77 }
78
79 return(s - src - 1); /* count does not include NUL */
80 }
81
82 #endif /* ! __*BSD__ */
83