zstd-rs/lib/compress/hist.c at 25f2aa9502cd49c7b9a60d3e67693a99bbeca606 - zstd-rs - PFS Gitea

ddidderr/zstd-rs

Files

T

ddidderr 158cd680d9

feat(rust): port histogram counting primitives

Move byte histogram counting into Rust for FSE and Huffman compression callers.
The implementation preserves the C workspace contract, checked alphabet path,
fast path, empty-input behavior, and C ABI while the original C source becomes
a header-only compatibility shim.

Focused tests cover count accumulation, invalid alphabets, workspace failures,
and striped large inputs. Higher-level compression remains C for now.

Test Plan:
- cargo fmt --check
- cargo test --all-targets
- cargo clippy --all-targets -- -D warnings
- cargo build --release
- make -C tests fuzzer
- ./tests/fuzzer -i1 --no-big-tests
- compile hist.c with -Werror and -Wredundant-decls

Refs: rust/README.md

2026-07-10 20:06:25 +02:00

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C

Raw Blame History

	`#include "hist.h"`

	`/* Implementation moved to rust/src/hist.rs. */`