[tor-bugs] #22521 [Core Tor/Tor]: use offsetof() instead of rolling our own

[Tor Bug Tracker & Wiki]

#22521: use offsetof() instead of rolling our own
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 Reporter:  catalyst      |          Owner:  catalyst
     Type:  defect        |         Status:  new
 Priority:  Medium        |      Milestone:  Tor: 0.3.2.x-final
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:  Sponsor8-can
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Comment (by neel):

 I have created a patch for this in the file tor_offsetof_0001.patch​.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22521#comment:3>
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