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https://issues.apache.org/jira/browse/ZOOKEEPER-1677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13633176#comment-13633176
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Shevek commented on ZOOKEEPER-1677:
-----------------------------------
Looks kosher to me. Note: I found this bug by reading source, not by
occurrence, so I don't have an actual test.
The casts within the memcmp are unnecessary, and of no benefit, since they
aren't checked.
> Misuse of INET_ADDRSTRLEN
> -------------------------
>
> Key: ZOOKEEPER-1677
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-1677
> Project: ZooKeeper
> Issue Type: Bug
> Affects Versions: 3.5.0
> Reporter: Shevek
> Assignee: Marshall McMullen
> Attachments: ZOOKEEPER-1677.patch
>
>
> ZOOKEEPER-1355. Add zk.updateServerList(newServerList) (Alex Shraer,
> Marshall McMullen via fpj)
>
>
>
> git-svn-id: https://svn.apache.org/repos/asf/zookeeper/trunk@1410731
> 13f79535-47bb-0310-9956-ffa450edef68
> +int addrvec_contains(const addrvec_t *avec, const struct sockaddr_storage
> *addr)
> +{
> + if (!avec || !addr)
> + {
> + return 0;
> + }
> +
> + int i = 0;
> + for (i = 0; i < avec->count; i++)
> + {
> + if(memcmp(&avec->data[i], addr, INET_ADDRSTRLEN) == 0)
> + return 1;
> + }
> +
> + return 0;
> +}
> Pretty sure that should be sizeof(sockaddr_storage). INET_ADDRSTRLEN is the
> size of the character buffer which needs to be allocated for the return value
> of inet_ntop, which seems to be totally wrong.
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