suricata
util-strlcpyu.c
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1 /*
2  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
15  *
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.
26  */
27 
28 /* $Id: strlcpyu.c,v 1.4 2003/10/20 15:03:27 chrisgreen Exp $ */
29 
30 #include "suricata-common.h"
31 
32 #ifndef HAVE_STRLCPY
33 
34 #if defined(LIBC_SCCS) && !defined(lint)
35 static char *rcsid = "$OpenBSD: strlcpy.c,v 1.4 1999/05/01 18:56:41 millert Exp $";
36 #endif /* LIBC_SCCS and not lint */
37 
38 /*
39  * Copy src to string dst of size siz. At most siz-1 characters
40  * will be copied. Always NUL terminates (unless siz == 0).
41  * Returns strlen(src); if retval >= siz, truncation occurred.
42  */
43 size_t strlcpy(char *dst, const char *src, size_t siz)
44 {
45  register char *d = dst;
46  register const char *s = src;
47  register size_t n = siz;
48 
49  /* Copy as many bytes as will fit */
50  if (n != 0 && --n != 0) {
51  do {
52  if ((*d++ = *s++) == 0)
53  break;
54  } while (--n != 0);
55  }
56 
57  /* Not enough room in dst, add NUL and traverse rest of src */
58  if (n == 0) {
59  if (siz != 0)
60  *d = '\0'; /* NUL-terminate dst */
61  while (*s++)
62  ;
63  }
64 
65  return(s - src - 1); /* count does not include NUL */
66 }
67 #endif
strlcpy
size_t strlcpy(char *dst, const char *src, size_t siz)
Definition: util-strlcpyu.c:43
suricata-common.h
src
uint16_t src
Definition: app-layer-dnp3.h:5
dst
uint16_t dst
Definition: app-layer-dnp3.h:4