On Sat, Oct 30, 2021 at 6:56 AM Zbigniew Jędrzejewski-Szmek <zbys...@in.waw.pl> wrote: > > On Sat, Oct 30, 2021 at 10:06:36AM -0000, Luca Boccassi wrote: > > > On 10/29/21 3:53 PM, Lennart Poettering wrote: > > > > > > Does there need to be any parsing at all? WireGuard avoids the problem > > > by only using fixed-size fields, so one only needs to check that the > > > field is of the correct length. Qubes OS uses the same solution in > > > at least its GUI protocol. > > You always need *some* parser. The advantage of text based protocol is that > it's readable for humans and easy to extend. E.g. if we feel the need to > add some structured data or an array of URLs, it just works without any work. > But if we design a custom binary protocol, we'd have to think about this > upfront. Binary protocols are good for efficient processing and when you > know exactly what will be needed, which doesn't matter/isn't the case here. > > > Different vendors have different requirements, so one of the goals was to > > be very specific about the elf format so that it's easy on the tooling > > (specific note name, id, owner, alignment, padding, readonly, section), but > > very open ended on the payload so that each vendor can add as many or as > > few key/value pairs as they need/cam afford. > > Furthermore, if you start asking questions like "what's the longest version > > a package can have", the answer can be extremely surprising - some time ago > > someone checked the pathological corner cases in Debian and it was like a > > hundred characters or so (!!) > > Apparently we have > rust-plist+enable_unstable_features_that_may_break_with_minor_version_bumps-devel-0:1.2.1-1.fc35.noarch > in F35 repos ;) >
Don't ask questions you don't want to know the answers to. :) -- 真実はいつも一つ！/ Always, there's only one truth! _______________________________________________ devel mailing list -- devel@lists.fedoraproject.org To unsubscribe send an email to devel-le...@lists.fedoraproject.org Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
