Antoine Pitrou created ARROW-4150:
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Summary: [C++] Buffer data should never be null
Key: ARROW-4150
URL: https://issues.apache.org/jira/browse/ARROW-4150
Project: Apache Arrow
Issue Type: Wish
Components: C++
Affects Versions: 0.11.1
Reporter: Antoine Pitrou
When a 0-byte buffer is allocated, or at the start of a BufferBuilder, the
buffer's data pointer can be null. This leads to passing null arguments (with
zero sizes) to standard functions such as memset() and memcpy() in many places.
UBSAN doesn't like it.
Since a null pointer often means "failed allocating" or "programmer error", we
might want to use a non-null pointer to a static empty piece of data instead.
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