the SQLITE_CKSUMVFS_INIT_FUNCNAME macro, this function will invoke the
file-control that sets the number of reserved bytes to 8. This can be
used to initialize a cksumvfs database file by programming languages
that do not have access to the sqlite3_file_control() interface.
FossilOrigin-Name: 01841fb4bf3d6c5fd5bcbc7d1338998c50f69f84ca475fba7cf764d636714678
file. Enhance speedtest1.c so that it can more easily do performance
comparisons of cksumvfs.
FossilOrigin-Name: ed3bb818f58b75c087f2875331ec944397b6c61a5b14d8af4b9ec6f376bd1872
Also enhance cksumvfs to emit an sqlite3_log() message whenever it finds
an invalid checksum.
FossilOrigin-Name: a094e8bfdef10d9e5d97f5a9f7c15b0fc547358b83367762ba5c2dfd2c9d0117