1 /*
2 ** Copyright 2002, Manuel J. Petit. All rights reserved.
3 ** Distributed under the terms of the NewOS License.
4 */
5 /*
6  * Copyright (c) 2008 Travis Geiselbrecht
7  *
8  * Permission is hereby granted, free of charge, to any person obtaining
9  * a copy of this software and associated documentation files
10  * (the "Software"), to deal in the Software without restriction,
11  * including without limitation the rights to use, copy, modify, merge,
12  * publish, distribute, sublicense, and/or sell copies of the Software,
13  * and to permit persons to whom the Software is furnished to do so,
14  * subject to the following conditions:
15  *
16  * The above copyright notice and this permission notice shall be
17  * included in all copies or substantial portions of the Software.
18  *
19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
22  * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
23  * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26  */
27 
28 #include <string.h>
29 #include <sys/types.h>
30 
31 size_t
strlcat(char * dst,char const * src,size_t s)32 strlcat(char *dst, char const *src, size_t s)
33 {
34     size_t i;
35     size_t j= strnlen(dst, s);
36 
37     if (!s) {
38         return j+strlen(src);
39     }
40 
41     dst+= j;
42 
43     for (i= 0; ((i< s-1) && src[i]); i++) {
44         dst[i]= src[i];
45     }
46 
47     dst[i]= 0;
48 
49     return j + i + strlen(src+i);
50 }
51