1#include <errno.h>
2#include <sys/types.h>
3#include <netinet/in.h>
4
5#include "utils.h"
6
7static __inline__ int do_digit(char *str, u_int32_t addr, u_int32_t scale, size_t *pos, size_t len)
8{
9	u_int32_t tmp = addr >> (scale * 4);
10
11	if (*pos == len)
12		return 1;
13
14	tmp &= 0x0f;
15	if (tmp > 9)
16		*str = tmp + 'A' - 10;
17	else
18		*str = tmp + '0';
19	(*pos)++;
20
21	return 0;
22}
23
24static const char *ipx_ntop1(const struct ipx_addr *addr, char *str, size_t len)
25{
26	int i;
27	size_t pos = 0;
28
29	if (len == 0)
30		return str;
31
32	for(i = 7; i >= 0; i--)
33		if (do_digit(str + pos, ntohl(addr->ipx_net), i, &pos, len))
34			return str;
35
36	if (pos == len)
37		return str;
38
39	*(str + pos) = '.';
40	pos++;
41
42	for(i = 0; i < 6; i++) {
43		if (do_digit(str + pos, addr->ipx_node[i], 1, &pos, len))
44			return str;
45		if (do_digit(str + pos, addr->ipx_node[i], 0, &pos, len))
46			return str;
47	}
48
49	if (pos == len)
50		return str;
51
52	*(str + pos) = 0;
53
54	return str;
55}
56
57
58const char *ipx_ntop(int af, const void *addr, char *str, size_t len)
59{
60	switch(af) {
61		case AF_IPX:
62			errno = 0;
63			return ipx_ntop1((struct ipx_addr *)addr, str, len);
64		default:
65			errno = EAFNOSUPPORT;
66	}
67
68	return NULL;
69}
70
71
72