[tor-bugs] #20988 [Core Tor/Tor]: Test fgets_eagain fails on FreeBSD-amd64

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#20988: Test fgets_eagain fails on FreeBSD-amd64
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 Reporter:  cypherpunks                         |          Owner:
     Type:  defect                              |         Status:
                                                |  needs_review
 Priority:  Medium                              |      Milestone:  Tor:
                                                |  0.3.1.x-final
Component:  Core Tor/Tor                        |        Version:
 Severity:  Normal                              |     Resolution:
 Keywords:  freebsd, tor-03-unspecified-201612  |  Actual Points:
Parent ID:                                      |         Points:
 Reviewer:                                      |        Sponsor:
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Changes (by ahf):

 * status:  needs_revision => needs_review


Comment:

 Ignore the third bullet in comment 8: Instead of clearing the error flag
 of the file handle we now reset the `errno` variable before we call
 `fgets(3)`.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20988#comment:10>
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