/* eof.c (emx+gcc) -- Copyright (c) 1990-1993 by Eberhard Mattes */

#include <sys/emx.h>
#include <io.h>
#include <errno.h>

int eof (int handle)
{
  long cur, len;

  if (handle < 0 || handle >= _nfiles)
    {
      errno = EBADF;
      return (-1);
    }
  if (_files[handle] & F_EOF)         /* Ctrl-Z reached */
    return (1);
  cur = tell (handle);
  if (cur < 0)
    return (-1);
  len = filelength (handle);
  if (len < 0)
    return (-1);
  return (cur == len);
}