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https://issues.apache.org/jira/browse/ZOOKEEPER-2128?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17019761#comment-17019761
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Tudor Bosman commented on ZOOKEEPER-2128:
-----------------------------------------
Frankly, this is a bit embarrassing, as using the API requires a cast, but the
code otherwise works. (It was unnoticed because the code uses void* internally,
and C allows unchecked casts between void* and any type).
In C++, I had to do this to make it usable:
[https://gist.github.com/tudor/6bb56cc11bc7f9d986413c9561380ac3]
> zoo_aremove_watchers API is incorrect
> -------------------------------------
>
> Key: ZOOKEEPER-2128
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2128
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.6.0
> Reporter: Dave Gosselin
> Assignee: Dave Gosselin
> Priority: Major
> Fix For: 3.5.7, 3.7.0
>
>
> The C API for zoo_aremove_watchers incorrectly specifies the seventh argument
> as a pointer to a function pointer. It should be simply a function pointer
> only.
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