PUBLIC int ioctl ARGS3
(int, d,
int, request,
char *, argp)
{
int sdc, status;
unsigned short fun, iosb[4];
char *p5, *p6;
struct comm
{
int command;
char *addr;
} ioctl_comm;
struct it2
{
unsigned short len;
unsigned short opt;
struct comm *addr;
} ioctl_desc;
if ((sdc = vaxc$get_sdc (d)) == 0)
{
errno = EBADF;
return -1;
}
ioctl_desc.opt = UCX$C_IOCTL;
ioctl_desc.len = sizeof(struct comm);
ioctl_desc.addr = &ioctl_comm;
if (request & IOC_OUT)
{
fun = IO$_SENSEMODE;
p5 = 0;
p6 = (char *)&ioctl_desc;
}
else
{
fun = IO$_SETMODE;
p5 = (char *)&ioctl_desc;
p6 = 0;
}
ioctl_comm.command = request;
ioctl_comm.addr = argp;
status = sys$qiow (0, sdc, fun, iosb, 0, 0,
0, 0, 0, 0, p5, p6);
if (!(status & 01))
{
errno = status;
return -1;
}
if (!(iosb[0] & 01))
{
errno = iosb[0];
return -1;
}
return 0;
}
pwr_tBoolean
inet_GetArpEntry (
pwr_tStatus *sts,
int isock,
struct arpreq *rp
)
{
struct ipaddr_in *ipaddr;
char *hwaddr;
pwr_tStatus lsts;
static int retlen;
static struct ARPREQDEF req; /* ARP request ioctl block */
static struct ioctl_comm command = {SIOCGARP, &req};
struct itmlist_3 desc = {sizeof(command), UCX$C_IOCTL, &command, &retlen};
int sdc; /* socket device channel */
int sock = 0;
if (isock == 0) {
sock = socket(AF_INET, SOCK_DGRAM, 0);
} else {
sock = isock;
}
memset(&req, 0, sizeof(req));
memcpy(&req.ARP$T_PA[4], &rp->arp_pa.sa_data, sizeof(rp->arp_pa.sa_data));
req.ARP$T_PA[0] = AF_INET;
retlen = sizeof(command);
sdc = vaxc$get_sdc(sock);
*sts = sys$qiow(0, sdc, IO$_SENSEMODE, &iosb, 0, 0, 0, 0, 0, 0, 0, &desc);
if (ODD(*sts)) {
if (EVEN(iosb.sts)) {
*sts = iosb.sts;
} else {
memcpy(&rp->arp_ha.sa_data, &req.ARP$T_HA[2], sizeof(rp->arp_ha.sa_data));
}
}
if (isock == 0) {
close(sock);
}
return ODD(*sts);
}