libite
2.6.1
src
strlcat.c
Go to the documentation of this file.
1
/* $OpenBSD: strlcat.c,v 1.15 2015/03/02 21:41:08 millert Exp $ */
2
3
/*
4
* Copyright (c) 1998, 2015 Todd C. Miller <Todd.Miller@courtesan.com>
5
*
6
* Permission to use, copy, modify, and distribute this software for any
7
* purpose with or without fee is hereby granted, provided that the above
8
* copyright notice and this permission notice appear in all copies.
9
*
10
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17
*/
18
25
26
#include <sys/types.h>
27
#include <string.h>
28
29
#ifndef strlcat
44
size_t
45
strlcat
(
char
*dst,
const
char
*src,
size_t
dsize)
46
{
47
const
char
*odst = dst;
48
const
char
*osrc = src;
49
size_t
n = dsize;
50
size_t
dlen;
51
52
/* Find the end of dst and adjust bytes left but don't go past end. */
53
while
(n-- != 0 && *dst !=
'\0'
)
54
dst++;
55
dlen = dst - odst;
56
n = dsize - dlen;
57
58
if
(n-- == 0)
59
return
(dlen + strlen(src));
60
while
(*src !=
'\0'
) {
61
if
(n != 0) {
62
*dst++ = *src;
63
n--;
64
}
65
src++;
66
}
67
*dst =
'\0'
;
68
69
return
(dlen + (src - osrc));
/* count does not include NUL */
70
}
71
#endif
strlcat
size_t strlcat(char *dst, const char *src, size_t dsize)
Definition
strlcat.c:45
Generated by
1.13.2