blob: f19b1376c8e30ffbdaa108b9367d86885feba7c8 (
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
48
49
50
51
52
53
54
55
56
57
58
|
/*
* decodenetnum - return a net number (this is crude, but careful)
*/
#include <sys/types.h>
#include <ctype.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "ntp_stdlib.h"
int
decodenetnum(num, netnum)
const char *num;
u_long *netnum;
{
register const char *cp;
register char *bp;
register int i;
register int temp;
register int eos;
char buf[80]; /* will core dump on really stupid stuff */
cp = num;
*netnum = 0;
if (*cp == '[') {
eos = ']';
cp++;
} else {
eos = '\0';
}
for (i = 0; i < 4; i++) {
bp = buf;
while (isdigit(*cp))
*bp++ = *cp++;
if (bp == buf)
break;
if (i < 3) {
if (*cp++ != '.')
break;
} else if (*cp != eos)
break;
*bp = '\0';
temp = atoi(buf);
if (temp > 255)
break;
*netnum <<= 8;
*netnum += temp;
}
if (i < 4)
return 0;
*netnum = htonl(*netnum);
return 1;
}
|
