[tor-bugs] #6853 [Tor Directory Authority]: Relay-flag voting code has undefined behaviour
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Sat Sep 15 22:36:22 UTC 2012
#6853: Relay-flag voting code has undefined behaviour
-------------------------------------+--------------------------------------
Reporter: rransom | Owner: rransom
Type: defect | Status: new
Priority: normal | Milestone: Tor: 0.2.4.x-final
Component: Tor Directory Authority | Version:
Keywords: | Parent:
Points: | Actualpoints:
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Comment(by rransom):
There are 2.5 sane ways to do this:
(1) Rename the `flags` field and audit every reference to it that the
compiler finds. Then, in a `fixup!` commit, rename it back.
(2) Bite the bullet and implement and use a real bit-vector data
structure, complete with runtime-variable length and dynamic allocation.
(Also rename the `flags` field.)
(2') Implement a bit-field data structure, with length set at compile
time. (Also rename the `flags` field.)
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6853#comment:2>
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