static void
decode_sockbuf(struct tcb *tcp, int fd, long addr, long addrlen)
{
switch (verbose(tcp) ? getfdproto(tcp, fd) : SOCK_PROTO_UNKNOWN) {
case SOCK_PROTO_NETLINK:
decode_netlink(tcp, addr, addrlen);
break;
default:
printstr(tcp, addr, addrlen);
}
}
static bool
print_iovec(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
{
const kernel_ulong_t *iov;
kernel_ulong_t iov_buf[2], len;
struct print_iovec_config *c = data;
if (elem_size < sizeof(iov_buf)) {
iov_buf[0] = ((unsigned int *) elem_buf)[0];
iov_buf[1] = ((unsigned int *) elem_buf)[1];
iov = iov_buf;
} else {
iov = elem_buf;
}
tprints("{iov_base=");
len = iov[1];
switch (c->decode_iov) {
case IOV_DECODE_STR:
if (len > c->data_size)
len = c->data_size;
if (c->data_size != (kernel_ulong_t) -1)
c->data_size -= len;
printstrn(tcp, iov[0], len);
break;
case IOV_DECODE_NETLINK:
if (len > c->data_size)
len = c->data_size;
if (c->data_size != (kernel_ulong_t) -1)
c->data_size -= len;
/* assume that the descriptor is 1st syscall argument */
decode_netlink(tcp, tcp->u_arg[0], iov[0], len);
break;
default:
printaddr(iov[0]);
break;
}
tprintf(", iov_len=%" PRI_klu "}", iov[1]);
return true;
}
