int getdents(
int dd_fd,
char *dd_buf,
int dd_len
)
{
rtems_libio_t *iop;
rtems_filesystem_node_types_t type;
/*
* Get the file control block structure associated with the file descriptor
*/
iop = rtems_libio_iop( dd_fd );
/*
* Make sure we are working on a directory
*/
type = rtems_filesystem_node_type( &iop->pathinfo );
if ( type != RTEMS_FILESYSTEM_DIRECTORY )
rtems_set_errno_and_return_minus_one( ENOTDIR );
/*
* Return the number of bytes that were actually transfered as a result
* of the read attempt.
*/
return (*iop->pathinfo.handlers->read_h)( iop, dd_buf, dd_len );
}
int rtems_filesystem_chdir( rtems_filesystem_location_info_t *loc )
{
int rv = 0;
rtems_filesystem_global_location_t *global_loc =
rtems_filesystem_location_transform_to_global( loc );
rtems_filesystem_node_types_t type =
rtems_filesystem_node_type( &global_loc->location );
if ( type == RTEMS_FILESYSTEM_DIRECTORY ) {
rtems_filesystem_global_location_assign(
&rtems_filesystem_current,
global_loc
);
} else {
rtems_filesystem_location_error( &global_loc->location, ENOTDIR );
rtems_filesystem_global_location_release( global_loc );
rv = -1;
}
return rv;
}
