[tor-bugs] #8787 [Tor]: Check return values for more unix functions

[Tor Bug Tracker & Wiki]

#8787: Check return values for more unix functions
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 Reporter:  nickm       |          Owner:                    
     Type:  defect      |         Status:  new               
 Priority:  normal      |      Milestone:  Tor: 0.2.5.x-final
Component:  Tor         |        Version:                    
 Keywords:  tor-client  |         Parent:                    
   Points:              |   Actualpoints:                    
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 Reportedly, we lack checks for the return values of at least munmap,
 lseek, unlink.  We should fix that for code-quality.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8787>
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