No need to decompile the executable! Just kindly ask 'locate' :-)
For updatedb/locate (GNU findutils) version 4.6.0 try calling
For me (on cygwin) this yields someting like
Database /var/locatedb is in the GNU LOCATE02 format.
Database was last modified at 2017:03:13 22:44:31.849172100 +0100
Locate database size: 6101081 bytes
All Filenames: 202075
File names have a cumulative length of 22094021 bytes.
Of those file names,
2591 contain whitespace,
0 contain newline characters,
and 20 contain characters with the high bit set.
Compression ratio 72.39% (higher is better)