2 * Copyright (c) 1999 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46 char *host
, size_t hostlen
,
47 char *serv
, size_t servlen
,
51 if (flags
& NI_NUMERICHOST
) {
52 if (inet_ntop (af
, addr
, host
, hostlen
) == NULL
)
55 struct hostent
*he
= gethostbyaddr (addr
,
59 strlcpy (host
, hostent_find_fqdn(he
), hostlen
);
60 if (flags
& NI_NOFQDN
) {
61 char *dot
= strchr (host
, '.');
65 } else if (flags
& NI_NAMEREQD
) {
67 } else if (inet_ntop (af
, addr
, host
, hostlen
) == NULL
)
73 if (flags
& NI_NUMERICSERV
) {
74 snprintf (serv
, servlen
, "%u", ntohs(port
));
76 const char *proto
= "tcp";
82 se
= getservbyport (port
, proto
);
84 snprintf (serv
, servlen
, "%u", ntohs(port
));
86 strlcpy (serv
, se
->s_name
, servlen
);
97 int ROKEN_LIB_FUNCTION
98 getnameinfo(const struct sockaddr
*sa
, socklen_t salen
,
99 char *host
, size_t hostlen
,
100 char *serv
, size_t servlen
,
103 switch (sa
->sa_family
) {
106 const struct sockaddr_in6
*sin6
= (const struct sockaddr_in6
*)sa
;
108 return doit (AF_INET6
, &sin6
->sin6_addr
, sizeof(sin6
->sin6_addr
),
116 const struct sockaddr_in
*sin4
= (const struct sockaddr_in
*)sa
;
118 return doit (AF_INET
, &sin4
->sin_addr
, sizeof(sin4
->sin_addr
),