/* Return 1 if SERV is a valid port number and stuff the converted value into
PP in network byte order. */
static int
-_getserv (serv, pp)
+_getserv (serv, proto, pp)
char *serv;
+ int proto;
unsigned short *pp;
{
long l;
return 1;
}
else
+#if defined (HAVE_GETSERVBYNAME)
+ {
+ struct servent *se;
+
+ se = getservbyname (serv, (proto == 't') ? "tcp" : "udp");
+ if (se == 0)
+ return 0;
+ if (pp)
+ *pp = se->s_port; /* ports returned in network byte order */
+ return 1;
+ }
+#else /* !HAVE_GETSERVBYNAME */
return 0;
+#endif /* !HAVE_GETSERVBYNAME */
}
static int
struct in_addr ina;
struct sockaddr_in sin;
unsigned short p;
- int s;
+ int s, e;
char **cp;
if (_getaddr(host, &ina) == 0)
{
internal_error ("%s: host unknown", host);
+ errno = EINVAL;
return -1;
}
- if (_getserv(serv, &p) == 0)
+ if (_getserv(serv, typ, &p) == 0)
{
internal_error("%s: invalid service", serv);
+ errno = EINVAL;
return -1;
}
if (connect (s, (struct sockaddr *)&sin, sizeof (sin)) < 0)
{
+ e = errno;
sys_error("connect");
close(s);
+ errno = e;
return (-1);
}