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nbdkit | c2rust | |
---|---|---|
17 | 46 | |
- | 3,673 | |
- | 2.7% | |
- | 9.5 | |
- | 3 days ago | |
Rust | ||
- | GNU General Public License v3.0 or later |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
nbdkit
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Why AWS Supports Valkey
This is correct, but doesn't quite explain why. It's because when you accept contributions from a variety of authors, without using a CLA, then your code base ends up with a patchwork of copyright, making relicensing practically impossible as you have to get buy-in from every author or else determine that author's contributions and remove/rewrite them.
GPL/LGPL are excellent licenses, but this patchwork of copyright can apply for any license you use. For a small project we wrote which was under BSD, we recently had to make a small (non-functional) change to the license, and we got buy-in from all the authors to do this which took quite a long time: https://gitlab.com/nbdkit/nbdkit/-/commit/952ffe0fc7685ea775...
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Disk write buffering and its interactions with write flushes
That second link is wrong, should be: https://gitlab.com/nbdkit/nbdkit/-/commit/a956e2e75d6c88eeef...
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The C++20 Naughty and Nice List for Game Devs
I think an exception might be made for a plain "C-like" struct that doesn't initialize members or contain anything except basic types. In the specific example[0] the code is actually surrounded by extern "C" { ... } so I suppose that the compiler "knows" this is a plain C struct?
[0] https://gitlab.com/nbdkit/nbdkit/-/blob/cd761c9bf770b23f678f...
- Static Analysis Tools for C
- jq 1.7 Released
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The OpenTF Manifesto
We relicensed[1] a project which had 10 contributors, and we got every single one of them to do an Acked-by (by email) which took some weeks. That was the advice from our lawyers. Can't imagine the impossible hassle of doing the same for something like Linux.
[1] https://gitlab.com/nbdkit/nbdkit/-/commit/952ffe0fc7685ea775...
- TIL: You Can Stop Updating Copyright Attribution Years (2021)
- Starting October 19, storage limit will be enforced on all Gitlab Free accounts
- nbdkit: High performance Linux block devices in userspace
c2rust
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Converting the Kernel to C++
A recent practical example of the former: the fish shell re-wrote incrementally from C++ to Rust, and is almost finished https://github.com/fish-shell/fish-shell/discussions/10123
An example of the latter: c2rust, which is a work in progress but is very impressive https://github.com/immunant/c2rust
It currently translates into unsafe Rust, but the strategy is to separate the "compile C to unsafe Rust" steps and the "compile unsafe Rust to safe Rust" steps. As I see it, as it makes the overall task simpler, allows for more user freedom, and makes the latter potentially useful even for non-transpiled code. https://immunant.com/blog/2023/03/lifting/
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Best tools to convert code between languages?
But not all transpilers are between languages where at least one of them is designed to be transpiled. For example, c2rust can transpile, as the name suggests, C to (ugly, unsafe) Rust. A while ago there was a Java -> C compiler in GCC (GCJ), but it's pretty out of date now.
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Translate C code to Rust working with libc
I do not know about your specific issue but you may be interested by https://github.com/immunant/c2rust
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Rewrite in Rust or Use Rust-bindings
You should also consider using C2Rust (they're even working on C -> safe Rust translation)
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Emitting Safer Rust with C2Rust
> The date at the bottom of the article is 2022-06-13. Has there been further progress?
The article links to their github repo:
https://github.com/immunant/c2rust
There's commits in the last hour, so at least some signal of life.
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Writing an OS in Rust to run on RISC-V
This is arguably already the state of things.
Rust might get compiled down through MIR, down through LLVM IR, down to assembly or wasm... which then might be JIT or AOT (re)compiled into other bytecodes... which might perhaps be decompiled back up to C... and C might be retranslated back to horrific unsafe-spamming Rust by the likes of https://c2rust.com/. We've come full circle!
The main issue is that retranslating high level languages into other high level languages isn't something that there's actually a lot of demand for, especially commercially, especially given the N x M translation matrix going on. So a lot of the projects "stabilize" (get abandoned). And automatically translating between the idioms of those languages gets even nastier in terms of matrix bloat.
Well, you've got stuff like MSIL and JVM bytecodes which are higher level, and preserve more type information, and can be compiled to / decompiled from while still preserving more structure, but they still form competing incompatible ecosystems.
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Will Carbon Replace C++?
That's the wrong direction. What's needed are intelligent converters which convert less-strict languages to more-strict ones.
Non-intelligent converters just make a mess. Here's c2rust.[1]
Classic C++ to modern C++, plus a compiler flag to lock out all the old unsafe stuff, would be an achievement.
[1] https://c2rust.com/
- What would you rewrite in Rust?
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Red Black Tree in Rust
Well, technically, it's not hard to build such data structures. If you are willing to liberally use raw pointers, UnsafeCell, MaybeUninit and ManuallyDrop, then you can more-or-less write C-equivalent code in unsafe Rust. (there are even transpilers from C to Rust)
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In Rust We Trust β A Transpiler from Unsafe C to Safer Rust
/uj This transpiles from C to unsafe Rust using an existing tool, then strips the unsafe keyword from the generated function signatures
What are some alternatives?
dattobd - kernel module for taking block-level snapshots and incremental backups of Linux block devices
min-sized-rust - π¦ How to minimize Rust binary size π¦
libnbd
subsurface - This is the official upstream of the Subsurface divelog program
qemu
librope - UTF-8 rope library for C
transgui - 𧲠A feature rich cross platform Transmission BitTorrent client. Faster and has more functionality than the built-in web GUI.
checkedc - Checked C is an extension to C that lets programmers write C code that is guaranteed by the compiler to be type-safe. The goal is to let people easily make their existing C code type-safe and eliminate entire classes of errors. Checked C does not address use-after-free errors. This repo has a wiki for Checked C, sample code, the specification, and test code.
jackson-jq - jq for Jackson Java JSON Processor
zz - πΊπ ZetZ a zymbolic verifier and tranzpiler to bare metal C [Moved to: https://github.com/zetzit/zz]
git-filter-repo - Quickly rewrite git repository history (filter-branch replacement)
rtorrent - rTorrent BitTorrent client