#include <stdio.h>
#include "ntp_fp.h"
#include "ntp_stdlib.h"
#include "ntp.h"
#define NUM_NETOF_BUFS 10
static struct sockaddr_storage ssbuf[NUM_NETOF_BUFS];
static int next_ssbuf = 0;
struct sockaddr_storage*
netof(
struct sockaddr_storage* hostaddr
)
{
register u_int32 netnum;
struct sockaddr_storage *netaddr;
netaddr = &ssbuf[next_ssbuf++];
if (next_ssbuf == NUM_NETOF_BUFS)
next_ssbuf = 0;
memcpy(netaddr, hostaddr, sizeof(struct sockaddr_storage));
if(netaddr->ss_family == AF_INET) {
netnum = ((struct sockaddr_in*)netaddr)->sin_addr.s_addr;
if(IN_CLASSC(netnum))
netnum &= IN_CLASSC_NET;
else if (IN_CLASSB(netnum))
netnum &= IN_CLASSB_NET;
((struct sockaddr_in*)netaddr)->sin_addr.s_addr = netnum;
}
else if(netaddr->ss_family == AF_INET6) {
memset(&((struct sockaddr_in6*)netaddr)->sin6_addr.s6_addr[8], 0, 8*sizeof(u_char));
}
return netaddr;
}