c2rust ☆

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Description:
Migrate C code to Rust

Type: Formula | Latest Version: 0.21.0@0 | Tracked Since: Dec 17, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: c-to-rust transpiler migration refactoring legacy-code

Install: brew install c2rust

About:
C2Rust is a tool that assists in migrating C codebases to Rust, focusing on interoperability and safety. It first generates idiomatic Rust code from C source files, then helps developers incrementally refactor the output to leverage Rust's memory safety guarantees. This tool is invaluable for modernizing legacy C projects while maintaining correctness.

Key Features:

Transpiles C code to Rust
Refactoring tools for memory safety
Supports large, existing codebases
Maintains interoperability with C libraries

Use Cases:

Migrating legacy C applications to Rust
Improving memory safety in existing C projects
Automating code translation for modernization

Alternatives:

bindgen – Generates Rust FFI bindings for C libraries, but does not transpile full codebases.
c2rust-refactor – A deprecated predecessor; C2Rust is the actively maintained successor.

License: BSD-3-Clause

Dependencies: llvm

Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, sonoma, arm64_linux, x86_64_linux

Version History

Detected	Version	Rev	Change	Commit
Oct 8, 2025 7:57pm		0	VERSION_BUMP	78eb13cc
Dec 31, 2024 2:23pm		1	VERSION_BUMP	040546a3