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401fc772b1
deletion bug fixed that could orphan a large section of the tree. the "parent" argument to rotate_left or rotate_right was sometimes not really the parent of the rotation vertex, because the parent's parent was not correctly reidentified after a rotation done on the parent. Minor: forward static declaration of dns_rbt_printnodename, useful in debugging. level_matches set correctly for exact match in dns_rbt_findnode (it was one too few, but this was minor because as yet level_matches is only used by other code when a partial match was made. insist 'node' is a child of 'parent' in rotate_left and rotate_right compare a pointer explicitly to NULL that was just "if (pointer)" "would would" in a comment changed to just one "would".
Code Drop 3 Status Update Work since the last code drop has focused on both the libraries and the server. Some of the highlights are: Libraries IPv6 sockets. DNSSEC security core, TSIG. Shared libraries can now be generated. Internationalization message catalog support. (Much of the code has yet to be converted to use catalogs.) Server Most of the temporary code in the server has been replaced with the real thing. One exception is config file processing, which has not yet been integrated. Basic AXFR, IXFR, and dynamic update support. The server now listens on IPv6 sockets, if the system supports them. The IPv6 reverse lookup scheme (bitstring labels and DNAME) is supported by the server. A6 chain following remains to be implemented. DNSSEC NXT records are returned in negative responses for secure zones. Resolver The skeleton of the resolver is in the kit. This shows how the resolver is going to work, but the resolver is not yet functional. This will be the prime focus of work in the near future. Building We've had successful builds and tests on the following systems BSDI 3.1 Digital UNIX 4.0D HP-UX 11 NetBSD Red Hat Linux 6.0 SGI IRIX 6.5 Solaris 2.6 To build, just ./configure make Do not run 'make install'. Shared libraries will be built if "--with-libtool" is added to the "configure" command. Building with gcc is not supported, unless gcc is the vendor's usual compiler (e.g. the various BSD systems, Linux). bin/named Note The configuration code in bin/named does not represent the final architecture. The config file processing code in lib/dns/config will be used by the server in the future. The server is still running on port 5544. API Note All APIs are subject to change in future code drops. We expect the existing library interfaces in the code drop to be quite stable, however, and unless we've specifically indicated that an interface is temporary, we don't expect significant changes in future releases.