https://bugs.openldap.org/show_bug.cgi?id=9291

--- Comment #12 from Howard Chu <[email protected]> ---
(In reply to Markus from comment #11)
> For the second part, I think a new function that can be called optionally
> after the env has been opened, makes sense. Something like this draft:
> 
> /**
>  * Checks the database for inconsistencies, e.g. page references beyond the
>  * end of file.
>  * @param max_page_number the maximum number of pages to check.
>  *        This limits the time spent, e.g. for a quick check on opening.
>  *        Pass zero to check all pages (the entire database).
>  */
> int mdb_check_pages(MDB_cursor *cursor, mdb_size_t max_page_number);
> 
> Please let me know if that looks good to you and if you have any naming
> preferences (not so sure here, e.g. mdb_page_ function prefix would also be
> fitting but is only used in mdb.c).

You could simply add a check of pgno in mdb_page_get(), and check every page
reference as they occur.

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