[tor-bugs] #27661 [Core Tor/Tor]: use C99 bool from stdbool.h instead of int everywhere

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#27661: use C99 bool from stdbool.h instead of int everywhere
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 Reporter:  cyberpunks                           |          Owner:  (none)
     Type:  defect                               |         Status:  new
 Priority:  Medium                               |      Milestone:  Tor:
                                                 |  unspecified
Component:  Core Tor/Tor                         |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  coccinelle, tor-client, technical-   |  Actual Points:
  debt, c99                                      |
Parent ID:  #13260                               |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by nickm):

 I'm fine with returning a bool from functions that are logically boolean,
 but we shouldn't change the convention for functions where "0" indicates
 success and "-1" indicates an error.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27661#comment:2>
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