  cff_builder_add_point1( CFF_Builder*  builder,
                          FT_Pos        x,
                          FT_Pos        y )
  {
    FT_Error  error;


    error = check_points( builder, 1 );
    if ( !error )
      cff_builder_add_point( builder, x, y, 1 );

    return error;
  }

This weakness involves numeric computation errors, such as integer overflows, underflows, or precision losses, which can lead to miscalculations and exploitable behaviors in software.