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@drpetersonfernandes drpetersonfernandes released this 11 Sep 17:03
· 19 commits to master since this release
1.0.1
be76c90

What's New in 1.0.1 (since 1.0.0)

Release tag 1.0.1.
Targets remain net8.0 / net9.0 / net10.0; full suite green on all three
(1290 tests: 1286 passed, 4 pre-existing skips, 0 failed).

Fixes

Rewrite keeps zero-size directories as directories

Optimizing (-r / Rewrite) an image containing a zero-size directory entry —
seen in the wild in e.g. Marvel vs Capcom 2 — used to write that entry back as a
file (ARC attribute, file data) instead of a directory, breaking the game.

Cause: XisoReader.TraverseXiso in GenerateAvl mode only recursed into
subdirectories with fileSize > 0 and left AvlNode.Subdirectory as null for
zero-size ones; the writer treats null as "file". The fix assigns
AvlNode.EmptySubdirectory, matching upstream extract-xiso build
202609111233, which fixed the same bug in traverse_xiso() (subdirectory left
NULL instead of EMPTY_SUBDIRECTORY).

SHA3-256 checksum works on OSes without native SHA3 support

XisoChecksum.ComputeImageChecksum used only the BCL
IncrementalHash SHA3-256, which throws PlatformNotSupportedException on OSes
without a SHA3 provider (Windows 10 CNG, OpenSSL 1.x) — all checksum tests
failed there. New pure-managed FIPS 202 SHA3-256 (XISOSharp/Sha3.cs, no new
dependencies, trim/AOT-safe) is now used as a fallback whenever
SHA3_256.IsSupported is false; digests are identical either way (verified
against OpenSSL 3.0, including rate-boundary sizes).

Dependencies

  • ZArchiveSharp 1.0.1 → 1.0.2, now consumed purely as a NuGet package —
    the sibling-checkout ProjectReference fallback was removed, so no
    side-by-side CSharp_ZArchiveSharp clone is needed to build.
  • Meziantou.Analyzer 3.0.235 → 3.0.236 (all projects), Avalonia.Diagnostics
    11.3.21 → 11.3.22 (GUI, Debug-only). Dev-only, no runtime impact.

Documentation

  • Checksum docs (xdvdfs-compat.md, api-xisoreader.md, api-utilities.md)
    describe the BCL/managed-fallback behavior.
  • Rewrite docs (api-xisowriter.md) and the format reference (xiso-format.md)
    document the zero-size-directory handling and upstream parity.
  • Reference/build docs updated for the NuGet-only ZArchiveSharp consumption and
    the extract-xiso-build-202609111233 reference drop.
  • Library README intro no longer pins a single extract-xiso version number.

Internal (no behavior change)

Solution-wide Roslynator formatting cleanup (line wrapping, Fill(0) →
Clear(), internal Sha3_256 → Sha3256 rename).

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