1#include <errno.h>
2#include <sys/types.h>
3#include <sys/socket.h>
4#include <netinet/in.h>
5
6#include "utils.h"
7
8static __inline__ int do_digit(char *str, u_int32_t addr, u_int32_t scale, size_t *pos, size_t len)
9{
10	u_int32_t tmp = addr >> (scale * 4);
11
12	if (*pos == len)
13		return 1;
14
15	tmp &= 0x0f;
16	if (tmp > 9)
17		*str = tmp + 'A' - 10;
18	else
19		*str = tmp + '0';
20	(*pos)++;
21
22	return 0;
23}
24
25static const char *ipx_ntop1(const struct ipx_addr *addr, char *str, size_t len)
26{
27	int i;
28	size_t pos = 0;
29
30	if (len == 0)
31		return str;
32
33	for(i = 7; i >= 0; i--)
34		if (do_digit(str + pos, ntohl(addr->ipx_net), i, &pos, len))
35			return str;
36
37	if (pos == len)
38		return str;
39
40	*(str + pos) = '.';
41	pos++;
42
43	for(i = 0; i < 6; i++) {
44		if (do_digit(str + pos, addr->ipx_node[i], 1, &pos, len))
45			return str;
46		if (do_digit(str + pos, addr->ipx_node[i], 0, &pos, len))
47			return str;
48	}
49
50	if (pos == len)
51		return str;
52
53	*(str + pos) = 0;
54
55	return str;
56}
57
58
59const char *ipx_ntop(int af, const void *addr, char *str, size_t len)
60{
61	switch(af) {
62		case AF_IPX:
63			errno = 0;
64			return ipx_ntop1((struct ipx_addr *)addr, str, len);
65		default:
66			errno = EAFNOSUPPORT;
67	}
68
69	return NULL;
70}
71
72
73