Koffi is a fast and easy-to-use C FFI module for Node.js, featuring:
The following combinations of OS and architectures are officially supported and tested at the moment:
| ISA / OS | Windows | Linux | macOS | FreeBSD | OpenBSD |
|---|---|---|---|---|---|
| x86 (IA32) 1 | ✅ Yes | ✅ Yes | ⬜️ N/A | ✅ Yes | ✅ Yes |
| x86_64 (AMD64) | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |
| ARM32 LE 2 | ⬜️ N/A | ✅ Yes | ⬜️ N/A | 🟨 Probably | 🟨 Probably |
| ARM64 (AArch64) LE | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | 🟨 Probably |
| RISC-V 64 3 | ⬜️ N/A | ✅ Yes | ⬜️ N/A | 🟨 Probably | 🟨 Probably |
Go to the web site for more information: https://koffi.dev/
You can consult the changelog on the official website.
Major version increments can include breaking API changes, use the migration guide for more information.
Koffi is built with a custom CMake-wrapper called CNoke, which also lives in this repository. Don't try to run CMake manually because it will fail.
Follow the documented build instructions to build Koffi from source.
This program is free software: you can redistribute it and/or modify it under the terms of the MIT License.
Find more information here: https://choosealicense.com/licenses/mit/
The following call conventions are supported: cdecl, stdcall, MS fastcall, thiscall. ↩
The prebuilt binary uses the hard float ABI and expects a VFP coprocessor. Build from source to use Koffi with a different ABI (softfp, soft). ↩
The prebuilt binary uses the LP64D (double-precision float) ABI. The LP64 ABI is supported in theory if you build Koffi from source but this is untested. The LP64F ABI is not supported. ↩
FAQs
Fast and simple C FFI (foreign function interface) for Node.js
The npm package koffi receives a total of 14,898 weekly downloads. As such, koffi popularity was classified as popular.
We found that koffi demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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