[tor-bugs] #29219 [Core Tor/Tor]: Write (more) guidelines for Tor coding best practices

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jan 30 16:00:33 UTC 2019


#29219: Write (more) guidelines for Tor coding best practices
-------------------------------+--------------------
     Reporter:  nickm          |      Owner:  (none)
         Type:  defect         |     Status:  new
     Priority:  Medium         |  Milestone:
    Component:  Core Tor/Tor   |    Version:
     Severity:  Normal         |   Keywords:
Actual Points:                 |  Parent ID:
       Points:  3              |   Reviewer:
      Sponsor:  Sponsor31-can  |
-------------------------------+--------------------
 We should extend our best practices guidelines in doc/HACKING with
 all/most of the following:

  * Avoiding layer violations
  * Fewer levels of block nesting
  * Small functions
  * Small files
  * Few includes per file
  * Smaller state objects
  * Making new features compile-time optional modules
  * incremental implementation and testing
  * Fewer branches
  * Fewer callers/callees per function
  * "Leave it better than you find it"
  * Well-bounded modules
  * Fewer data dependencies

 Some of these can be quantified; the ones that can be should have targets.

 I'm putting an optimistically low time estimate on this one under the
 assumption that we will have only minimal debate. :)

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29219>
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