Show HN: WebAssembly Interpreter in a Header

Category: library

Tags: webassembly, interpreter, c-header, sandboxing, embedding

Score: 7.8/10 (Innovation: 7, Technical: 9, Documentation: 8, Utility: 7)

WAH is a single-header C99 WebAssembly interpreter implementing the full WASM 3.0 deterministic profile with GC, SIMD, and advanced features. Its innovative hybrid of a portable, sandboxed runtime with production-grade resource limiting and no external dependencies makes it highly practical for embedding untrusted code execution in C/C++ projects.

Target audience: backend devs, systems programmers, security engineers

Repository: https://github.com/lifthrasiir/wah · WebAssembly · NOASSERTION · 37 stars

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