[tor-bugs] #22342 [Core Tor/Tor]: Add a nice append-only stringbuffer, and refactor code to use it

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#22342: Add a nice append-only stringbuffer, and refactor code to use it
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 Reporter:  nickm            |          Owner:  nickm
     Type:  defect           |         Status:  merge_ready
 Priority:  Medium           |      Milestone:  Tor: 0.3.3.x-final
Component:  Core Tor/Tor     |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:  review-group-24  |  Actual Points:  .2
Parent ID:                   |         Points:
 Reviewer:  isis             |        Sponsor:
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Comment (by arma):

 {{{
 +/** Return a heap-allocated string containing the contents of <b>buf</b>
 + * contents.
 }}}
 might want one fewer word too.

 Overall it looks like a fine useful feature. I did not hunt in detail for
 bugs though. :)

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/22342#comment:9>
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