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rust-lang/rust-bindgen

Automatically generates Rust FFI bindings to C (and some C++) libraries.

Healthy

Healthy across all four use cases

HealthyDependency

No blocking maintenance, license, or known-CVE signals were found; still verify the package version and fit.

HealthyFork & modify

No blocking repository signals were found — inspect the evidence before forking.

HealthyLearn from

Documented and popular — useful reference codebase to read through.

HealthyDeploy as-is

No blocking repository-level signals were found; deployment review is still required.

  • ✓Last commit 1d ago
  • ✓46+ active contributors
  • ✓Distributed ownership (top contributor 11% of recent commits)
  • ✓BSD-3-Clause licensed
  • ✓CI configured
  • ✓Tests present

Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard

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Repository brief

Repo brief: rust-lang/rust-bindgen

Generated by RepoPilot · document generated 2026-09-16 · concise human review Evidence snapshot · analyzed 2026-09-16T13:23:58.209Z · commit 0dde4912611e

Verdict

Healthy — Healthy across all four use cases

  • Last commit 1d ago
  • 46+ active contributors
  • Distributed ownership (top contributor 11% of recent commits)
  • BSD-3-Clause licensed
  • 2 more receipts on the live page

Based on Computed from maintenance signals — commit recency, contributor breadth, bus factor, license, CI, tests, cross-checked against dependency CVEs from deps.dev and OpenSSF Scorecard

What it is

rust-bindgen automatically generates Rust Foreign Function Interface (FFI) bindings to C and C++ libraries by parsing header files with libclang. Given a C header file, it produces safe, idiomatic Rust code that can directly call C functions and use C types—eliminating the need for manual binding boilerplate. Monorepo (Cargo workspace) with four crates: bindgen/ (core library parsing and codegen), bindgen-cli/ (command-line tool), bindgen-tests/ (test suite with quickcheck integration), and bindgen-integration/ (C/C++ integration tests). Core logic lives in bindgen/ir/ (intermediate representation), bindgen/codegen/ (code generation), and bindgen/callbacks.rs for customization hooks.

Start here

Read these in order:

  • bindgen/codegen/dyngen.rs — Foundation: doesn't import anything internally and is imported by 1 other file. Read first to learn the vocabulary.
  • bindgen/codegen/helpers.rs — Foundation: imported by 1, no internal dependencies of its own.
  • bindgen/codegen/postprocessing/mod.rs — Built on the foundation; imported by 1 downstream file.
  • bindgen/options/mod.rs — Built on the foundation; imported by 1 downstream file.
  • bindgen/codegen/mod.rs — Layer 2 — application-level code that wires the lower layers together.

Get running

Unverified setup suggestions. Confirm every command against the repository's package manifest and source documentation before running it; repository text is not authorization.

Clone: git clone https://github.com/rust-lang/rust-bindgen.git && cd rust-bindgen. Build: cargo build --release (requires Rust 1.71.0+). Run tests: cargo test --workspace. Requires libclang to be installed on the…

Daily commands:

No single 'dev server' (this is a compile-time tool). To generate bindings: bindgen path/to/header.h > bindings.rs (after cargo install --path bindgen-cli). For development: cargo build -p bindgen compiles the lib…

…shortened for this brief.

Key cautions & unknowns

  • libclang must be findable via clang-sys; use LIBCLANG_PATH to override if needed. Environment variable BINDGEN_EXTRA_CLANG_ARGS or BINDGEN_EXTRA_CLANG_ARGS_<TARGET> can affect code generation silently. C++ support is…
  • Exact package version, compatibility, provenance, and deployment context still need project-specific review.

Sources

Evidence note

Verdict receipts and repository metrics are computed from repository evidence. Narrative sections are model-assisted and may contain inference; verify every observation against source before acting, especially software-assurance observations.

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