During the previous Hackweek [0], I have successfully implemented, tested and merged [1] an implementation of the entire C++ standard header <future>. This time, my aim is to modernize the C++14-esque standard library [2] of HelenOS [3][4] with a C++17 feature - the <filesystem> header. The <filesystem> header is much larger than the <future> header which I barely managed to implement and test in the allocated time for the previous Hackweek, but <future> was mostly OS-independent as it relied only on previously implemented features of the standard library. The <filesystem> header, however, is limited by the filesystem API of the OS and as such implementing of the entirety of it might not be possible, limiting the scope of the project (which is a good thing due to the time constraints). The primary features of the header [5] that should be implemented:

Let's pick some old classic game, reverse engineer the data formats and game rules and write an open source engine for it from scratch. Some games from 1990s are simple enough that we could have a playable prototype by the end of the week. Write which games you'd like to hack on in the comments. Don't forget to check e.g. on Open Source Game Clones, Github and SourceForge whether the game is ported already.

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There's a project experimenting with verifying GCC optimizations using SMT solvers. Currently there is only one person working on this project. Analyzing compilers with SMT solvers seems like a cool new topic to me. Let's see how we could help.

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> Tungsten is supposed to be a memory-safe and type-safe language front-end for LLVM which borrows many elements from C and C# syntax.

Avahi Integration and Network Connection

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Valgrind currently lacks support for 80-bit extended precision floating point arithmetic on x86_64 (long double). The current implementation uses 64-bit arithmetic instead, which means that programs running on x86_64 with "long double" give different results when running under Valgrind and natively. People were asking for support for this since like forever, but to date nobody went on implementing it. It's a project for a year, unless somebody has time to work on it full time, but one has to start somewhere. :-)

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Andúril is an open-source firmware for LED flashlights, which runs on several versions of ATtiny chip. It provides advanced functionality like configurable modes, brightness ramping, safety lockout, etc. via a UI controlled by a single button.

I'm running a simple home mirror, but I managed to get into a situation where I have to use a bunch of custom excludes. I think we should be able to offer what people want nowadays.\