4 * This file includes getnameinfo().
5 * These funtions are defined in rfc2133.
7 * But these functions are not implemented correctly. The minimum subset
8 * is implemented for ssh use only. For exapmle, this routine assumes
9 * that ai_family is AF_INET. Don't use it for another purpose.
14 #include <sys/types.h>
15 #include <sys/socket.h>
18 /* RCSID("$Id: fake-getnameinfo.c,v 1.1.2.2 2002/06/09 15:50:11 zarq Exp $"); */
20 #ifndef HAVE_GETNAMEINFO
22 int getnameinfo(const struct sockaddr *sa, size_t salen, char *host,
23 size_t hostlen, char *serv, size_t servlen, int flags)
25 struct sockaddr_in *sin = (struct sockaddr_in *)sa;
30 snprintf(tmpserv, sizeof(tmpserv), "%d", ntohs(sin->sin_port));
31 if (strlen(tmpserv) >= servlen)
34 strcpy(serv, tmpserv);
38 if (flags & NI_NUMERICHOST) {
39 if (strlen(inet_ntoa(sin->sin_addr)) >= hostlen)
42 strcpy(host, inet_ntoa(sin->sin_addr));
45 hp = gethostbyaddr((char *)&sin->sin_addr,
46 sizeof(struct in_addr), AF_INET);
50 if (strlen(hp->h_name) >= hostlen)
53 strcpy(host, hp->h_name);
59 #endif /* !HAVE_GETNAMEINFO */