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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <ctype.h>
//#include <linux/fs.h>
#include <sys/ioctl.h>
int
getnext (
char * src,
int separator,
char * dest
)
{
char * c;
int len;
if ( (src == NULL) || (dest == NULL) )
{
return -1;
}
c = strchr(src, separator);
if (c == NULL)
{
strcpy(dest, src);
return -1;
}
len = c - src;
strncpy(dest, src, len);
dest[len] = '\0';
return len + 1;
}
int
str_to_mac (
unsigned char * mac,
char * str
)
{
int len;
char * ptr = str;
char buf[128];
int i;
for (i = 0; i < 5; i++)
{
if ((len = getnext(ptr, ':', buf)) == -1)
{
return 1; /* parse error */
}
mac[i] = strtol(buf, NULL, 16);
ptr += len;
}
mac[5] = strtol(ptr, NULL, 16);
return 0;
}
int
str_to_ip (
unsigned long * ip,
char * str
)
{
int len;
char * ptr = str;
char buf[128];
unsigned char c[4];
int i;
for (i = 0; i < 3; ++i)
{
if ((len = getnext(ptr, '.', buf)) == -1)
{
return 1; /* parse error */
}
c[i] = atoi(buf);
ptr += len;
}
c[3] = atoi(ptr);
*ip = (c[0]<<24) + (c[1]<<16) + (c[2]<<8) + c[3];
return 0;
}
|