Cdb: Add support for cdb64

cdb: Download To download and unpack the latest version of cdb: wget -m https://cdb.cr.yp.to/cdb-latest-version.txt version=$(cat cdb.cr.yp.to/cdb-latest-version.txt) wget -m https://cdb.cr.yp.to/cdb-$version.tar.gz tar -xzf cdb.cr.yp.to/cdb-$version.tar.gz cd cdb-$version Then install and test. Archives and changelog (reverse chronological) cdb-20251021.tar.gz browse Add support for cdb64 (at least on 64-bit platforms). Support ./configure , ./configure --prefix=... , and make install . Switch almost all internal integers to num , defined as long long . Replace various uint32 , fmt , scan functions with num functions. For tests, avoid depending on csh ; depend on ulimit instead of softlimit ; increase limit to handle current process bloat. Split buffer interface into inbuf and outbuf . Clean up hier interface. Remove various function definitions and declarations not used in cdb. Eliminate some wrappers: str_len , alloc , uint32 , exit , error , systype . Tweak code to avoid deprecated C features (old-style function definitions, empty prototypes, old-style main definitions). Make more use of const and static . Eliminate register . Add -Wall to compiler options. Tweak code to avoid -Wall complaints. Add some don't-be-stupid compiler options: -fwrapv , -fno-delete-null-pointer-checks , -fno-strict-aliasing , and -fno-strict-overflow . Many updates to documentation. cdb-0.75.tar.gz (20000219) browse Fixed bug pointed out by Uwe Ohse: cdb_make_addbegin didn't explicitly return 0, so database creation could fail on systems that didn't follow the traditional C return behavior. Added testzero to regression-test suite. Increased bspace in cdb_make.h from 1024 to 8192. Switched cdbmake to use PUTC and GETC ; 3x speedup in one test. UI: posplus sets ENOMEM if it passes 4GB. cdb-0.70.tar.gz (20000217) browse API: rewrote almost everything from scratch. Thanks to Ken Lalonde for suggesting mmap. UI: cdbget supports skip. cdb-0.55.tar.gz (19960922) browse First release. Version: This is version 2025.10.21 of the "Download" web page.