1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
|
/*
** Copyright 1998 - 2000 Double Precision, Inc.
** See COPYING for distribution information.
*/
#include "config.h"
#include "rfc1035.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <errno.h>
static const char rcsid[]="$Id: rfc1035sockaddrport.c,v 1.3 2000/05/28 18:17:25 mrsam Exp $";
int rfc1035_sockaddrport(const RFC1035_NETADDR *a, int al, int *port)
{
int af=((const struct sockaddr_in *)a)->sin_family;
if ( af == AF_INET )
{
if (al >= sizeof(struct sockaddr_in))
{
*port=((const struct sockaddr_in *)a)->sin_port;
return (0);
}
}
#if RFC1035_IPV6
if ( af == AF_INET6 )
{
if (al >= sizeof(struct sockaddr_in6))
{
*port=((const struct sockaddr_in6 *)a)->sin6_port;
return (0);
}
}
#endif
return (-1);
}
|