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https://issues.apache.org/jira/browse/HDFS-15935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri updated HDFS-15935:
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Status: Patch Available (was: Open)
> Use memcpy for copying non-null terminated string
> -------------------------------------------------
>
> Key: HDFS-15935
> URL: https://issues.apache.org/jira/browse/HDFS-15935
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: libhdfs++
> Affects Versions: 3.4.0
> Reporter: Gautham Banasandra
> Assignee: Gautham Banasandra
> Priority: Major
>
> We currently get a warning while compiling HDFS native client -
> {code}
> [WARNING] /usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10:
> warning: '__builtin_strncpy' output truncated before terminating nul copying
> as many bytes from a string as its length [-Wstringop-truncation]
> {code}
> The scenario here is such that the copied string is deliberately not null
> terminated, so that we append a custom character appropriately. The warning
> reported by strncpy is valid, but not applicable in this scenario. Thus, we
> need to use memcpy which doesn't mind if the string is null terminated or not.
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