Files
zstd-rs/lib/compress/zstd_compress_sequences.c
T
ddidderr 887af204df feat(rust): port sequence entropy encoding
Move FSE table-costing, table construction, encoding selection, and sequence
bitstream emission into Rust while retaining the existing C internal-header
boundary. The shim preserves all five C ABI entry points, so the surrounding
compressor continues to consume C-shaped sequence and entropy-table storage.

Test Plan:
- cargo clippy
- cargo clippy --benches
- cargo clippy --tests
- cargo +nightly fmt
- cargo test --all-targets
- cargo test --target i686-unknown-linux-gnu zstd_compress_sequences::tests
- C-vs-Rust differential across 163 payload cases on x86_64 and i686
- fuzzer, zstreamtest, and invalidDictionaries

Refs: Rust FSE compression port 5f9d607d
2026-07-10 22:44:39 +02:00

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C

/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
/*
* Sequence entropy coding is implemented in
* rust/src/zstd_compress_sequences.rs. Keep this declaration-compatible
* translation unit in the native source list so the C callers retain their
* existing internal header configuration while linking the Rust ABI exports.
*/
#include "zstd_compress_sequences.h"