int cil_gen_userprefix(struct cil_db *db, struct cil_tree_node *parse_current, struct cil_tree_node *ast_node)
{
	enum cil_syntax syntax[] = {
		CIL_SYN_STRING,
		CIL_SYN_STRING,
		CIL_SYN_STRING,
		CIL_SYN_END
	};
	int syntax_len = sizeof(syntax)/sizeof(*syntax);
	struct cil_userprefix *userprefix = NULL;
	int rc = SEPOL_ERR;

	if (db == NULL || parse_current == NULL || ast_node == NULL) {
		goto exit;
	}

	rc = __cil_verify_syntax(parse_current, syntax, syntax_len);
	if (rc != SEPOL_OK) {
		goto exit;
	}

	cil_userprefix_init(&userprefix);

	userprefix->user_str = parse_current->next->data;
	userprefix->prefix_str = parse_current->next->next->data;

	ast_node->data = userprefix;
	ast_node->flavor = CIL_USERPREFIX;

	return SEPOL_OK;
exit:
	cil_tree_log(parse_current, CIL_ERR, "Bad userprefix declaration");
	cil_destroy_userprefix(userprefix);
	return rc;
}
int cil_gen_userprefix(struct cil_db *db, struct cil_tree_node *parse_current, struct cil_tree_node *ast_node)
{
	enum cil_syntax syntax[] = {
		CIL_SYN_STRING,
		CIL_SYN_STRING,
		CIL_SYN_STRING,
		CIL_SYN_END
	};
	int syntax_len = sizeof(syntax)/sizeof(*syntax);
	struct cil_userprefix *userprefix = NULL;
	int rc = SEPOL_ERR;

	if (db == NULL || parse_current == NULL || ast_node == NULL) {
		goto exit;
	}

	rc = __cil_verify_syntax(parse_current, syntax, syntax_len);
	if (rc != SEPOL_OK) {
		goto exit;
	}

	cil_userprefix_init(&userprefix);

	userprefix->user_str = parse_current->next->data;
	userprefix->prefix_str = parse_current->next->next->data;

	ast_node->data = userprefix;
	ast_node->flavor = CIL_USERPREFIX;

	return SEPOL_OK;
exit:
	cil_tree_log(parse_current, CIL_ERR, "Bad userprefix declaration");
	cil_destroy_userprefix(userprefix);
	return rc;
}