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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Static analyzer should not report error in memcpy()/memmove() with null pointer when length argument is zero."
href="https://llvm.org/bugs/show_bug.cgi?id=28188">28188</a>
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<th>Summary</th>
<td>Static analyzer should not report error in memcpy()/memmove() with null pointer when length argument is zero.
</td>
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<th>Product</th>
<td>clang
</td>
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<th>Version</th>
<td>3.8
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Static Analyzer
</td>
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<th>Assignee</th>
<td>kremenek@apple.com
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<th>Reporter</th>
<td>socketpair@gmail.com
</td>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<th>Classification</th>
<td>Unclassified
</td>
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<p>
<div>
<pre>In real life `memcpy(null, null, 0)` will not trigger segfault.
It will be nice not to report non-null argument problem if count is zero.
Python3.6 sources have a code, that may call memcpy with null pointer and pass
zero byte counter to that function. This is not bug.</pre>
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