#include <unistd.h>
#include "hackterm.h"

#if defined(m88k) || defined(m68k)
#undef SHELLTTY
static SGTTY SHELLTTY;

int def_prog_mode() {
  if (ioctl(0,TCGETA,&SHELLTTY)) return -1;
  PROGTTY = SHELLTTY;
  PROGTTY.c_oflag = 0;
  return reset_prog_mode();
}

int reset_shell_mode() {
  return ioctl(0,TCSETAW,&SHELLTTY);
}

int reset_prog_mode() {
  return ioctl(0,TCSETAW,&PROGTTY);
}
#endif

#ifndef PROGTTY
static SGTTY PROGTTY, SHELLTTY;

int def_prog_mode() {
  if (ioctl(0,TCGETA,&SHELLTTY)) return -1;
  PROGTTY = SHELLTTY;
  PROGTTY.c_oflag = 0;
  return reset_prog_mode();
}

int reset_shell_mode() {
  return ioctl(0,TCSETAW,&SHELLTTY);
}

int reset_prog_mode() {
  return ioctl(0,TCSETAW,&PROGTTY);
}
#endif

int noecho() {
  PROGTTY.c_lflag &= ~ECHO;		/* turn off ECHO */
  return ioctl(0,TCSETAF,&PROGTTY);
}

int nonl() {
  PROGTTY.c_iflag &= ~(INLCR|ICRNL);	/* turn off newline mapping */
  return ioctl(0,TCSETAF,&PROGTTY);
}

int cmode(cnt) {
  PROGTTY.c_lflag &= ~ICANON;		/* turn off line buffering */
  PROGTTY.c_oflag = 0;			/* turn off output mapping */
  PROGTTY.c_cc[VMIN] = cnt;
  PROGTTY.c_cc[VTIME] = (cnt != 1);
  return ioctl(0,TCSETAF,&PROGTTY);
}