1/*	$NetBSD: socktoa.c,v 1.1.1.2 2012/01/31 21:24:12 kardel Exp $	*/
2
3/*
4 * socktoa - return a numeric host name from a sockaddr_storage structure
5 */
6
7#ifdef HAVE_CONFIG_H
8#include <config.h>
9#endif
10
11#include <sys/types.h>
12#ifdef HAVE_SYS_SOCKET_H
13#include <sys/socket.h>
14#endif
15#ifdef HAVE_NETINET_IN_H
16#include <netinet/in.h>
17#endif
18
19#include <arpa/inet.h>
20
21#ifdef ISC_PLATFORM_NEEDNTOP
22#include <isc/net.h>
23#endif
24
25#include <stdio.h>
26
27#include "ntp_fp.h"
28#include "lib_strbuf.h"
29#include "ntp_stdlib.h"
30#include "ntp.h"
31
32char *
33socktoa(
34	const sockaddr_u *sock
35	)
36{
37	register char *buffer;
38
39	LIB_GETBUF(buffer);
40
41	if (NULL == sock)
42		strncpy(buffer, "(null)", LIB_BUFLENGTH);
43	else {
44		switch(AF(sock)) {
45
46		case AF_INET:
47		case AF_UNSPEC:
48			inet_ntop(AF_INET, PSOCK_ADDR4(sock), buffer,
49				  LIB_BUFLENGTH);
50			break;
51
52		case AF_INET6:
53			inet_ntop(AF_INET6, PSOCK_ADDR6(sock), buffer,
54				  LIB_BUFLENGTH);
55			break;
56
57		default:
58			snprintf(buffer, LIB_BUFLENGTH,
59				 "(socktoa unknown family %d)",
60				 AF(sock));
61		}
62	}
63	return buffer;
64}
65