Exemplo n.º 1
0
/**
 * Returns 0 iff the length of the disjunct list is 0.
 * If this is the case, it frees the structure rooted at l.
 */
static int and_purge_E_list(E_list * l)
{
	if (l == NULL) return 1;
	if ((l->e = purge_Exp(l->e)) == NULL)
	{
		free_E_list(l->next);
		xfree((char *)l, sizeof(E_list));
		return 0;
	}
	if (and_purge_E_list(l->next) == 0)
	{
		free_Exp(l->e);
		xfree((char *)l, sizeof(E_list));
		return 0;
	}
	return 1;
}
Exemplo n.º 2
0
void free_E_list(E_list * l) {
    if (l == NULL) return;
    free_E_list(l->next);
    free_Exp(l->e);
    xfree((char *)l, sizeof(E_list));
}
Exemplo n.º 3
0
void free_Exp(Exp * e) {
    if (e->type != CONNECTOR_type) {
	free_E_list(e->u.l);
    }
    xfree((char *)e, sizeof(Exp));
}