Was setting C_DEL flag gratuitously

Kris Zyp authored Oct 20, 2020 and Howard Chu committed Oct 30, 2020

Unless robust is specified (then use SysV)

On DUPSORT DBs, must initialize xcursor regardless of whether
caller requested its data. Also in cursor_prev must check whether
cursor index is still within range before using it.

Since setting was added in de08119a

Using dynamically loaded crypto modules

Cheat with OpenSSL 1.1 internal structures to avoid malloc/free per page

And add support for per-page checksums. Reserve space for checksum
at tail of page. Pass pgno+txnid as IV input for encryption.

Use mmap to read and initialize the meta pages, raw device
may not support read/write syscalls.

Autodetects that a block device is being used.

FreeBSD 11 supports robust process-shared POSIX mutexes,
but requires them to be explicitly destroyed before munmap

mdb_load wasn't properly inserting escaped backslashes into the data.
mdb_dump wasn't escaping backslashes when generating printable output.

Kris Zyp authored Apr 15, 2019 and Howard Chu committed Oct 10, 2020

Broken in ITS#8756

Ka Ho Ng authored Feb 17, 2019 and Howard Chu committed Oct 10, 2020

Always call GetModuleHandleW() with Unicode string, as mdb_fopen() is
calling CreateFileW() already.

Bump up number of keys for which we use fine-grained splitpoint search