ffizz is a library of utilities for exporting Rust libs for use in other languages

Last update: Aug 29, 2022

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Overview

ffizz

ffizz is a library of utilities for exporting Rust libs for use in other languages.

FFI generally requires a lot of unsafe code, which in turn requires a lot of manual verification of assumptions. The ffizz libraries help by implementing some common patterns with clear safety guidelines that are easily described in the documentation for the C side of the interface.

ffizz-passby supports passing arguments and return values by pointer or by value.
ffizz-header supports generating a C header corresponding to a library crate
ffizz-string provides a simple string abstraction

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Comments

Figure out how to gracefully generate headers

It's quite possible that this can be done with xtask -- just depend on the library crate and ffizz_header, call ffizz_header::generate, and write out the result. Linking might require actually calling something in the library crate?

Anyway, this is probably a formulaic thing to put in the crate docs for ffizz-header.

opened by djmitche 0
Add string support
I've got some work in progress in #1.

Remaining:

[x] impl From<..> for FzString for various ..

[x] canned fz_string_... functions that can just be re-exported for lazy users

[ ] crate docs

[x] decide how to handle FzString::Null -- should return Option everywhere? Some users will want to allow NULL, some will not..
opened by djmitche 0
Add string support

This adds a new crate, ffizz-string, which implements a simple but effective string type for passing string data between C and Rust.

It's not the fastest, but for implementing a simple library that doesn't need performance, it's adequate.

opened by djmitche 0

Owner

Dustin J. Mitchell

GitHub

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