lseg_out(PG_FUNCTION_ARGS)
{
	LSEG	   *ls = PG_GETARG_LSEG_P(0);

	PG_RETURN_CSTRING(path_encode(PATH_OPEN, 2, (Point *) &(ls->p[0])));
}

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