Function check_expr

route.c:1793–1842

}

static int check_expr(struct expr* exp, int r_type)
{
	int ret = -1;

	if (exp==0) {
		LM_CRIT("null pointer\n");
		return -1;
	}

	if (exp->type==EXP_T){
		switch(exp->op){
			case AND_OP:
			case OR_OP:
				if (check_expr(exp->left.v.expr, r_type) < 0)
					return -1;
				return check_expr(exp->right.v.expr, r_type);
			case NOT_OP:
			case EVAL_OP:
				return check_expr(exp->left.v.expr, r_type);
			default:
				LM_CRIT("unknown op %d\n", exp->op);
				return -1;
		}
	} else if (exp->type==ELEM_T){
			if (exp->left.type==ACTION_O){
				ret=check_actions((struct action*)exp->right.v.data, r_type);
				if (ret!=0){
					LM_CRIT("check_actions error\n");
					return ret;
				}
			}
			if (exp->left.type==EXPR_O){
				ret=check_expr(exp->left.v.expr, r_type);
				if (ret!=0){
					LM_CRIT("check left exp error\n");
					return ret;
				}
			}
			if (exp->right.type==EXPR_ST){
				ret=check_expr(exp->right.v.expr, r_type);
				if (ret!=0){
					LM_CRIT("fix right exp error\n");
					return ret;
				}
			}
			ret=0;
	}

	return ret;
}


/*! \brief check all parsed routing tables for compatiblity between