roadroller
ZLib
roadroller | ZLib | |
---|---|---|
5 | 49 | |
283 | 5,293 | |
- | - | |
0.0 | 8.8 | |
almost 2 years ago | 8 days ago | |
JavaScript | C | |
GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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roadroller
- Mini Metroidvania in 13KB of JavaScript
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Show HN: Micro LZMA decoder (x86 assembly code golf)
Crinkler [1] is a popular compressor-linker for 1--8 KB demos and its decompressor (partially embedded in a PE header) is probably around 1--200 bytes. Later efforts like oneKpaq [2] also have a comparable decompressor size.
If you don't mind a shameless plug and a slightly larger decompressor (about 500 bytes in JS) for better compression, my Roadroller [3] might fit the bill as well.
[1] https://github.com/runestubbe/Crinkler
[2] https://github.com/temisu/oneKpaq
[3] https://lifthrasiir.github.io/roadroller/
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Game Boy Wordle clone: How to compress 12972 five-letter words to 17871 bytes
Roadroller [1] is probably a borderline general purpose compression algorithm, and with some automatic parameter tuning it results in 12,170 bytes estimated [2], at the expense of a lot of memory. "Estimated" because the algorithm was originally meant to be recompresssed in a ZIP file, so it doesn't bother to generate the smallest JS file in terms of uncompressed size (yet).
[1] https://lifthrasiir.github.io/roadroller/ (the exact parameters: golf.horse dataset; input mode text; action write to document; # contexts 12 with 12,15,49,50,70,79,96,97,131,154,292,353; pollute the global scope; max memory usage 150 MB; precision 16; learning rate 1333; model max count 11; model base divisor 14; dynamic model flags -1; # abbreviations 64)
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Cat Goric: Escape from the Warp Chamber - Post-Mortem
And compressed final code even more with Roadroller (reduced 1.3 KB in the zip). And used ECT to recompress the zip (reduced 300 KB).
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Q1K3
I'm honored that Q1K3, in addition to many other entries to js13kGames 2021, is compresed with Roadroller [1], which is the reason that its source code is basically a random-looking string plus some bit of JS code.
[1] https://github.com/lifthrasiir/roadroller/
ZLib
- Zlib 1.3.1 Out
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Vulnerability found after scanning debian 12 bookworm VM
A fix has been checked into the upstream git repo: https://github.com/madler/zlib/pull/843 but a release has not yet been made including it.
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ZLib VS jdeflate - a user suggested alternative
2 projects | 25 Nov 2023
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CVE-2023-4863: Heap buffer overflow in WebP (Chrome)
So the real issue here is that the lack of tree validation before the tree construction, I believe. I'm surprised that this check was not yet implemented (I actually checked libwebp to make sure that I was missing one). Given this blind spot, an automated test based on the domain knowledge is likely useless to catch this bug.
[1] https://github.com/madler/zlib/blob/master/examples/enough.c
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Notes: Advanced Node.js Concepts by Stephen Grider
In the source code of the Node.js opensource project, lib folder contains JavaScript code, mostly wrappers over C++ and function definitions. On the contrary, src folder contains C++ implementations of the functions, which pulls dependencies from the V8 project, the libuv project, the zlib project, the llhttp project, and many more - which are all placed at the deps folder.
- Zlib 1.3 · madler/zlib 09155ea
- Zlib 1.3 – A Spiffy yet Delicately Unobtrusive Compression Library
- Exploring the Internals of Linux v0.01
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Dear Pirates Donate as much as you can
Seeing the text in red got me thinking for a moment, "wow, didn't realize pirates had such love for an open-source compression library"
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Updated packages: do Arch devs update/build the original source as is or...
cd "${srcdir}/zlib-$pkgver/contrib/minizip" make install DESTDIR="${pkgdir}" install -D -m644 "${srcdir}/zlib-$pkgver/LICENSE" "${pkgdir}/usr/share/licenses/minizip/LICENSE" # https://github.com/madler/zlib/pull/229 rm "${pkgdir}/usr/include/minizip/crypt.h"
What are some alternatives?
js13k-2021 - Game created for the Js13kGames competition from 2021.
zstd - Zstandard - Fast real-time compression algorithm
wordle - Finding optimal play in the game of wordle
LZ4 - Extremely Fast Compression algorithm
gb-wordyl - A word game for the Nintendo Game Boy / Color, Analogue Pocket, Mega Duck
Snappy - A fast compressor/decompressor
wasmboy - Game Boy / Game Boy Color Emulator Library, 🎮written for WebAssembly using AssemblyScript. 🚀Demos built with Preact and Svelte. ⚛️
LZMA - (Unofficial) Git mirror of LZMA SDK releases
q1k3 - A tiny FPS for js13k
Onion - C library to create simple HTTP servers and Web Applications.
wordle-trie-packing - Wordle clones are everywhere, but who is thinking about the bandwidth?
Minizip-ng - Fork of the popular zip manipulation library found in the zlib distribution.