Read HDF5 1.6-era files, user blocks, VDS, dense attributes and large groups #13
@@ -296,6 +296,14 @@
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- CI keeps zlib-ng building and tested; the arm64 job no longer needs cmake.
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- CI keeps zlib-ng building and tested; the arm64 job no longer needs cmake.
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### Correctness
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### Correctness
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- `clawhdf5-format` VDS: variable-length and reference data from a source in
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another file is refused. Those elements are global-heap IDs and object
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addresses in the source file; copied into the virtual dataset they would
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be decoded against the wrong file and name another object.
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- `clawhdf5-agent`: a store whose `/meta` has an attribute that cannot be
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decoded fails to open (`MemoryError::Schema`). With `attrs()` now leaving
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unreadable attributes out, it would otherwise have opened with defaults in
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place of its settings (`float16`, `compression`, the WAL mark, ...).
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- `clawhdf5-format` reader: an old-style group whose local heap has a free
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- `clawhdf5-format` reader: an old-style group whose local heap has a free
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list pointing outside the heap was listed with names read from the broken
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list pointing outside the heap was listed with names read from the broken
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heap (garbage names on `cve-2021-36977.h5` once its user block was
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heap (garbage names on `cve-2021-36977.h5` once its user block was
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