jart/cosmopolitan on Hacker News

Real link: https://github.com/jart/cosmopolitan/releases/tag/3.1

comment by bmacho · 2023-11-20 · in Cosmopolitan v3.1

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story by ofou · 2023-11-19 · 3 comments

…the same binary will run on windows, linux, mac, and BIOS. /s This has been done with Lua, see: https://github.com/jart/cosmopolitan/issues/61

comment by jakobson14 · 2023-11-06 · in A standalone zero-dependency Lisp for Linux

Good news: https://github.com/jart/cosmopolitan/commit/5e8c928f1a37349a...

comment by dylukes · 2023-11-04 · in Cosmopolitan Third Edition

Pull request sent. https://github.com/jart/cosmopolitan/pull/924 Oops, I only now realized there's a test suite. I'll be adding tests too... After I get some sleep.

comment by matheusmoreira · 2023-11-02 · in Cosmopolitan Third Edition

See the comments in https://justine.lol/ape.patch and at the bottom of https://github.com/jart/cosmopolitan/blob/3.0/tool/build/ape... and also https://github.com/jart/cosmopolitan/blob/3.0/ape/loader.c has good information too. I'm…

comment by jart · 2023-11-02 · in Cosmopolitan Third Edition

Cool. Somebody still needs to teach sscanf how to parse floats though. https://github.com/jart/cosmopolitan/issues/456 The code to do it would probably go in here: https://github.com/jart/cosmopolitan/blob/master/libc/stdio/... I mean, I…

comment by smcameron · 2023-11-02 · in Cosmopolitan Third Edition

Author here. We've got you covered. Search for `MODE=tinylinux` in the https://github.com/jart/cosmopolitan#getting-started section of the README. If you use that build mode, then hello world for x86 linux is only 8kb in size. It's very…

comment by jart · 2023-11-01 · in Cosmopolitan Third Edition

Discuss here: https://github.com/jart/cosmopolitan/discussions Add issues here: https://github.com/jart/cosmopolitan/issues

comment by AMICABoard · 2023-11-01 · in Cosmopolitan Third Edition

Yes they do! https://github.com/jart/cosmopolitan/tree/master/third_party... and https://github.com/trholding/llama2.c

comment by AMICABoard · 2023-11-01 · in Cosmopolitan Third Edition

There's so much cool stuff in this post. https://github.com/jart/cosmopolitan/releases/download/3.0.1... is 213MB file which contains "fat binaries" (single binaries that execute on a bewildering array of hardware platforms and operating…

comment by simonw · 2023-11-01 · in Cosmopolitan Third Edition

…can even go above and beyond with cosmopolitan libc v2, which makes c/c++ build-once run-anywhere: https://github.com/jart/cosmopolitan/releases/tag/2.0 There seems to be some work getting cosmopolitan libc support in Go, but it is not…

comment by mathiasgredal · 2023-09-17 · in Java 21 makes me like Java again

…means you can write a simpler algorithm than what Lemire did that assumes an ASCII average case. https://github.com/jart/cosmopolitan/blob/755ae64e73ef5ef7d1... That goes 23 GB/s on my machine using just SSE2 (rather than AVX512). However…

comment by jart · 2023-08-21 · in Transcoding Latin 1 strings to UTF-8 strings at 12 GB/s using AVX-512

…old fashioned way. The recent version of cosmopolitan generates ARM binaries for Linux and MacOS ( https://github.com/jart/cosmopolitan#arm; mode aarch64). There is also blink that provides the x86-64 emulation layer for (APE and other)…

comment by paulclinger · 2023-07-14 · in Patching GCC to build Actually Portable Executables

…convert to/from the old constants during runtime is too much. Look at the list of constants here: https://github.com/jart/cosmopolitan/blob/master/libc/sysv/c... Every time I used any of these constants, I'd have to load a whole bunch of…

comment by ahgamut · 2023-07-14 · in Patching GCC to build Actually Portable Executables

There seems to be a standard socket API in the Cosmopolitan clib though: https://github.com/jart/cosmopolitan/tree/master/libc/sock ..and that also seems to have WinSock support: https://github.com/jart/cosmopolitan/blob/master/libc/sock/c.…

comment by flohofwoe · 2023-07-14 · in Patching GCC to build Actually Portable Executables

…to inject a SECCOMP filter. Then you can block execve(). See https://justine.lol/pledge/ and https://github.com/jart/cosmopolitan/blob/master/tool/build/...

comment by jart · 2023-07-07 · in List of Unix binaries that can be used to bypass local security restrictions

…you pass a pipe into the whole (server) process, instead of having it open its own sockets? (In https://github.com/jart/cosmopolitan/blob/48b2afb192ec18eca4... , I gather?) I haven't followed cosmopolitan / Linux pledge() too closely; but…

comment by JoachimSchipper · 2023-06-19 · in Redbean Systems

See https://github.com/jart/cosmopolitan/commit/48b2afb192ec18ec... and https://twitter.com/JustineTunney/status/1670600564164657154

comment by jart · 2023-06-19 · in Redbean Systems

…datagrams so it can blackhole your IP address in the RAW PREROUTING iptable if you DDOS the system. https://github.com/jart/cosmopolitan/blob/f10845ab9f847e4cad... You can't ban someone's IP without root. So we have two choices: (1) create…

comment by jart · 2023-06-18 · in Redbean Systems

I'd love to understand more about what the ".verynice()" call does. Source is here: https://github.com/jart/cosmopolitan/blob/f10845ab9f847e4cad... What are the effects of limiting a process priority?

comment by maxmcd · 2023-06-18 · in Redbean Systems

…which maintains support for old file formats. You can build and use it as follows: git clone https://github.com/jart/cosmopolitan cd cosmopolitan # cross-compile on x86-64-linux for x86-64 linux+windows+macos+freebsd+openbsd+netbsd make…

comment by jart · 2023-06-06 · in GGML – AI at the Edge

I bet it wouldn't be too extremely hard to port Vim to https://github.com/jart/cosmopolitan and run it without an OS (BIOS mode in cosmopolitan).

comment by etaioinshrdlu · 2023-04-22 · in Boot to Vim, Vim as Pid 1 (2014)

Cosmopolitan[0] is indeed worth mentioning here. It's an amazing project. [0] https://github.com/jart/cosmopolitan

comment by loupol · 2023-02-12 · in How to create portable Linux binaries

…Worth noting that we do have Google's outstanding double-conversion library in the cosmo codebase https://github.com/jart/cosmopolitan/tree/master/third_party... as well as gdtoa (which is what we use for printf's floating point support)…

comment by jart · 2023-02-03 · in Blink virtual machine now supports running GUI programs

…appear to be. The comments in the code say it can do floats, but the comments are mistaken.) [1] https://github.com/jart/cosmopolitan/blob/master/libc/fmt/vc... [2] https://github.com/jart/cosmopolitan/issues/456

comment by smcameron · 2023-02-03 · in Blink virtual machine now supports running GUI programs

…(a 'minimal vfprintf()') with the one in cosmopolitan starting at https://github.com/jart/cosmopolitan/blob/master/libc/stdio/... . Right away we can see nolibc places many functions in the same file while Cosmopolitan uses

comment by eesmith · 2023-01-22 · in Nolibc: A minimal C-library replacement shipped with the kernel

…I recommend obtaining Python from the Comsopolitan mono repo: git clone https://github.com/jart/cosmopolitan make -j8 o//third_party/python/python.com That'll easily give you a static Python 3.6 binary that can be run under Blink.

comment by jart · 2023-01-06 · in Emulating an emulator inside itself. Meet Blink

…really nice `cosmocc` toolchain that makes building POSIX software with Cosmo easier than ever. See https://github.com/jart/cosmopolitan/blob/master/tool/script... and https://github.com/jart/cosmopolitan/blob/master/tool/script...

comment by jart · 2023-01-04 · in Emulating an emulator inside itself. Meet Blink

…I wrote in C (with a focus on readability) which runs https://ipv4.games/ You can read the code at https://github.com/jart/cosmopolitan/blob/master/net/turfwar... This web server runs on a single VM. It was handling about 300 write…

comment by jart · 2022-12-18 · in Ask HN: Resources for Building a Webserver in C?

Cosmopolitan Libc uses a musl-cross-make toolchain. https://github.com/jart/cosmopolitan/tree/master/third_party... Its primary developer also runs Alpine. Cosmopolitan is closely related to Musl as far as C libraries go. You could think…

comment by jart · 2022-12-15 · in Actually Portable Perl

Another example: https://github.com/jart/cosmopolitan/issues/426

comment by comex · 2022-11-10 · in Why is Rosetta 2 fast?

But python is also universal? You can just bundle jc inside https://github.com/jart/cosmopolitan/tree/master/third_party... and it's as universal as it gets.

comment by ElectricalUnion · 2022-11-03 · in JC – JSONifies the output of many CLI tools

…rejoice. But it gets better. If you build Python in the Cosmopolitan Libc repository: git clone https://github.com/jart/cosmopolitan cd cosmopolitan build/bootstrap/make.com -j8 o//third_party/python/python.com Then you can use…

comment by jart · 2022-11-03 · in Dozens of malicious PyPI packages discovered targeting developers

Actually Portable Executables / Cosmopolitan https://justine.lol/ape.html https://github.com/jart/cosmopolitan

comment by smcameron · 2022-10-31 · in Ask HN: What piece of code/codebase blew your mind when you saw it?

Oh yes. A good place to start would be our c++ toolchain. https://github.com/jart/cosmopolitan/blob/master/tool/script...

comment by jart · 2022-10-24 · in Debugging C with Cosmopolitan Libc

…our system call support. Look here, all we need to support a XNU system call is 16-bits of a word. https://github.com/jart/cosmopolitan/blob/2.1/libc/sysv/sysc...

comment by jart · 2022-09-21 · in Can I use a system call?

Love your naming of the magic numbers headers. https://github.com/jart/cosmopolitan/blob/1.0/libc/sysv/cons...

comment by davedx · 2022-09-21 · in Can I use a system call?

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Cosmopolitan v2.1

story by jart · 2022-09-20 · 0 comments

…to work here) Sadly, it was considered, and XFF is ignored from non-private source addresses: https://github.com/jart/cosmopolitan/blob/155b378a3962e4d291... With private addresses defined as: https://github.com/jart/cosmopolitan/blob/7ab15…

comment by progval · 2022-09-11 · in IPv4 Turf War

…anything other than educational purposes, at least not until they've been more battle tested. [0]: https://github.com/jart/cosmopolitan/issues/72

comment by coder543 · 2022-09-08 · in Caddyhttp: Enable HTTP/3 by Default

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Cosmopolitan Supports Cross Platform GUI Sort Of. Good Progress so far.

story by AMICABoard · 2022-09-06 · 0 comments

https://github.com/jart/cosmopolitan/issues/140 https://github.com/golang/go/issues/51900 & from what I gather, APE is tightly-bound to x86_64, & depends on an embedded emulator for other architectures: > All we have to do embed an ARM…

comment by georgia_peach · 2022-08-30 · in How fat does a fat binary need to be? (2021)

https://github.com/jart/cosmopolitan/blob/master/ape/ape.S https://github.com/jart/cosmopolitan/blob/master/libc/sysv/s... https://github.com/jart/cosmopolitan/blob/master/libc/sysv/s... We do everything static. Even on Apple x86 and M1.

comment by jart · 2022-08-23 · in A general overview of what happens before main() (2019)

…to define kernel syscalls like how Cosmopolitan [0] uses for building things like RedBean [1]. 0. https://github.com/jart/cosmopolitan 1. https://redbean.dev/

comment by adolph · 2022-08-23 · in A general overview of what happens before main() (2019)

Don't forget the linker script: https://github.com/jart/cosmopolitan/blob/master/ape/ape.lds It has a longform explanation in the comment at the top.

comment by jart · 2022-08-20 · in Cosmopolitan Libc v2.0

…you're looking for a write-up/blog, however, if you haven't peeked at ape.S you absolutely must: https://github.com/jart/cosmopolitan/blob/master/ape/ape.S It is very commented, in a good way.

comment by grimgrin · 2022-08-20 · in Cosmopolitan Libc v2.0

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Cosmopolitan Libc v2.0

story by Orochikaku · 2022-08-20 · 34 comments

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Cosmopolitan v2.0 – build-once run-anywhere C library

story by 3np · 2022-08-19 · 0 comments

…at the moment. However we'd be happy to see them be included. Most of our modules e.g. unix https://github.com/jart/cosmopolitan/blob/master/third_party... only really depend on Lua and POSIX which is available everywhere. You can build…

comment by jart · 2022-08-17 · in Redbean web server debugging with ZeroBrane Studio