libevent
ZLib
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libevent | ZLib | |
---|---|---|
12 | 49 | |
10,648 | 5,219 | |
1.3% | - | |
8.7 | 8.9 | |
7 days ago | 3 days ago | |
C | C | |
GNU General Public License v3.0 or later | 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.
libevent
- Epoll: The API that powers the modern internet (2022)
- Concurrency Model in JavaScript Runtime Environments
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Understand the underlying Javascript - event loop
They're different. Node uses libuv while chromium uses libevent. You're also seeing different APIs for working with the event loop like nextTick() in Node that doesn't exist in browsers.
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Tmux install script I made to install the latest stable version
Unknown OS, continue trying to install? Menu? Develope this area! Querying Versions on https://libevent.org... Please be patient.
- Looking for low footprint c++ library to build a REST client
- Io_uring is not an event system
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Packaging your Crystal app into a Flatpak
app-id: dev.geopjr.Hashbrown runtime: org.gnome.Platform runtime-version: "3.38" sdk: org.gnome.Sdk command: hashbrown finish-args: - --socket=wayland - --socket=fallback-x11 - --share=ipc cleanup: - /include - /lib/pkgconfig - /share/doc - /share/man - "*.a" - "*.la" modules: - name: libevent sources: - type: git url: https://github.com/libevent/libevent.git tag: release-2.1.12-stable - name: hashbrown buildsystem: simple build-commands: - $(pwd)/crystal/bin/crystal build ./src/hashbrown.cr --no-debug --release - install -D -m 0755 hashbrown /app/bin/hashbrown - install -D -m 0644 extra/Hashbrown.desktop /app/share/applications/dev.geopjr.Hashbrown.desktop - install -D -m 0644 extra/icons/logo.svg /app/share/icons/hicolor/scalable/apps/dev.geopjr.Hashbrown.svg - install -D -m 0644 extra/icons/symbolic.svg /app/share/icons/hicolor/symbolic/apps/dev.geopjr.Hashbrown-symbolic.svg post-install: - install -D -m 0644 extra/dev.geopjr.Hashbrown.metainfo.xml /app/share/metainfo/dev.geopjr.Hashbrown.metainfo.xml sources: - type: git url: https://github.com/GeopJr/Hashbrown.git tag: v1.2.0 commit: 02ecf5cc5aacc32fc484fd9e348d2b1220168295 - type: archive dest: crystal/ url: https://github.com/crystal-lang/crystal/releases/download/1.0.0/crystal-1.0.0-1-linux-x86_64.tar.gz sha256: 00211ca77758e99210ec40b8c5517b086d2ff9909e089400f6d847a95e5689a4 - type: git url: https://github.com/jhass/crystal-gobject.git commit: 6468c57f8aa54b71c766d27b1e59e87a09ee8552 dest: lib/gobject - type: git url: https://github.com/elorest/compiled_license.git tag: v0.1.3 commit: f287c2c8c95579688fa5620df954d8cc1272cbbf dest: lib/compiled_license
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C Deep
libevent - Event loop replacement for network servers. BSD-3-Clause
ZLib
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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.
- Exploring the Internals of Linux v0.01
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Quite OK Image is now my favorite asset format
A minimal viable Deflate decompressor is not exactly complex[1], although slower than mainline zlib.
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Zlib alternatives?
ZLibrary not zlib for anyone worried about archiving algorithms. https://zlib.net/ and all the Linux repositories are safe (AFAIK).
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Save File Corruption fix? PLEASE HELP
>The following is my educated guess at what to do next and I am a week-end warrior programmer at best. If someone with more experience comments, I would listen to them over me< If you have no programming experience, this may be a lost cause. It looks like the save file has a header area followed by a list of "zlib" compressed chunks. zlib.net may have a program that can open the save file and let you see the raw information inside it. Something after the header is garbled and it is preventing Save-Editors from decompressing that chunk OR from parsing what is inside of it. If you are lucky, the garbled bit will jump out at you and you can repair it.
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Zlib Critical Vulnerability
These appears to be the relevant changes:
2022-07-30: https://github.com/madler/zlib/commit/eff308af425b67093bab25...
2022-08-08: https://github.com/madler/zlib/commit/1eb7682f845ac9e9bf9ae3...
The second commit definitely fixed a null pointer dereference, I am not sure if the CVE is referencing something else that was fixed by the first commit.
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Gzip and Brotli Compression Level Estimator
It is actually possible to estimate the compression level without actually compressing everything again, because different levels use different strategies which can be identified in some cases. zlib in particular has three strategies [1] and preflate [2] leverages this to store the deflate stream reconstruction data without much bits.
[1] https://github.com/madler/zlib/blob/21767c6/deflate.c#L134-L...
[2] https://github.com/deus-libri/preflate/blob/master/preflate_...
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What does it take to be a good programmer?
It's still a heap of old school C spaghetti https://github.com/madler/zlib/commit/eff308af425b67093bab25...
What are some alternatives?
libuv - Cross-platform asynchronous I/O
Boost.Asio - Asio C++ Library
zstd - Zstandard - Fast real-time compression algorithm
libev - Full-featured high-performance event loop loosely modelled after libevent
LZ4 - Extremely Fast Compression algorithm
LZMA - (Unofficial) Git mirror of LZMA SDK releases
Onion - C library to create simple HTTP servers and Web Applications.
Snappy - A fast compressor/decompressor
Minizip-ng - Fork of the popular zip manipulation library found in the zlib distribution.
brotli - Brotli compression format
zlib-ng - zlib replacement with optimizations for "next generation" systems.
libarchive - Multi-format archive and compression library