#include <stdlib.h>
#include <err.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

#include "librez.h"

t_librez_fd	librez_fds_add(t_rez *d_rez, int fd)
{
  int		ifds;
  t_librez_fd	rezid;
  int		i;

  if (d_rez->dts == d_rez->nfds)
    errx(1, "librez: max `struct pollfd' table size reached.");
  ifds = d_rez->nfds++;
  memset(&d_rez->tsa[ifds], '\0', sizeof(struct sockaddr_in));
  d_rez->fds[ifds].fd = fd;
  ioctl(fd, FIONBIO, !0);
  for (i = 0; i < d_rez->dts; ++i)
    if (d_rez->tl_rezid_2_ifds[i] == -1)
      {
	rezid = i;
	break;
      }
  d_rez->tl_ifds_2_rezid[ifds] = rezid;
  d_rez->tl_rezid_2_ifds[rezid] = ifds;
  librez_set_func(d_rez, rezid, LIBREZ_POLLRDNORM, LIBREZ_FUNC_IGN);
  librez_set_func(d_rez, rezid, LIBREZ_POLLWRNORM, LIBREZ_FUNC_IGN);
  librez_set_func(d_rez, rezid, LIBREZ_POLLACCEPT, LIBREZ_FUNC_IGN);
  librez_set_func(d_rez, rezid, LIBREZ_POLLHUP, LIBREZ_FUNC_IGN);
  librez_set_notify(d_rez, rezid, LIBREZ_POLLRDNORM, NULL);
  librez_set_notify(d_rez, rezid, LIBREZ_POLLWRNORM, NULL);
  librez_set_notify(d_rez, rezid, LIBREZ_POLLACCEPT, NULL);
  librez_set_notify(d_rez, rezid, LIBREZ_POLLHUP, NULL);
  librez_set_mask(d_rez, rezid, 0);
  d_rez->fds[ifds].revents = 0;
  return (rezid);
}