blob: 00e0cc55479543dbf1e81d9480336a663a31e6a9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#include <sys/types.h>
#include <string.h>
/* glibc doesn't have strlcpy, strlcat. Ensure we do. JRA. We
* don't link to libreplace so need them here. */
/* like strncpy but does not 0 fill the buffer and always null
* terminates. bufsize is the size of the destination buffer */
#ifndef HAVE_STRLCPY
size_t strlcpy(char *d, const char *s, size_t bufsize)
{
size_t len = strlen(s);
size_t ret = len;
if (bufsize <= 0) return 0;
if (len >= bufsize) len = bufsize-1;
memcpy(d, s, len);
d[len] = 0;
return ret;
}
#endif
/* like strncat but does not 0 fill the buffer and always null
* terminates. bufsize is the length of the buffer, which should
* be one more than the maximum resulting string length */
#ifndef HAVE_STRLCAT
size_t strlcat(char *d, const char *s, size_t bufsize)
{
size_t len1 = strlen(d);
size_t len2 = strlen(s);
size_t ret = len1 + len2;
if (len1+len2 >= bufsize) {
if (bufsize < (len1+1)) {
return ret;
}
len2 = bufsize - (len1+1);
}
if (len2 > 0) {
memcpy(d+len1, s, len2);
d[len1+len2] = 0;
}
return ret;
}
#endif
|