/* fcntl.c (emx+gcc) -- Copyright (c) 1992-1993 by Eberhard Mattes */

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

#define FLAGS (O_APPEND | O_NDELAY)

int fcntl (int handle, int request, int arg)
{
  if (handle < 0 || handle >= _nfiles)
    {
      errno = EBADF;
      return (-1);
    }
  switch (request)
    {
    case F_GETFL:
      return (_files[handle] & FLAGS);
    case F_SETFL:
      if (arg & ~FLAGS)
        break;
      if (__fcntl (handle, request, arg) == -1)
        return (-1);
      SETBITS (_files[handle], FLAGS, arg);
      return (0);
    case F_GETFD:
    case F_SETFD:
      return (__fcntl (handle, request, arg));
    }
  errno = EINVAL;
  return (-1);
}