buddy_alloc
isoalloc
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| buddy_alloc | isoalloc | |
|---|---|---|
| 7 | 3 | |
| 117 | 351 | |
| - | - | |
| 7.3 | 7.9 | |
| 23 days ago | 11 days ago | |
| C | C | |
| BSD Zero Clause License | Apache License 2.0 |
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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.
buddy_alloc
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buddy memory allocator - project update (2 years)
If you need a sub-allocator with predictable performance feel free to give it a try. The code is here and it is licensed under the 0BSD license, making it as lax and as close to public domain as possible. Comments, issues and PRs are always welcomed and appreciated. Thanks!
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Open-source MISRA-compliant projects
I maintain a project that's not technically MISRA compliant (due to being a memory allocator and MISRA disallowing the very idea) and I keep it at 100% test coverage with support for multiple compilers and operating systems. Over time I had a few users reporting back - since it's working for them I count that as success. Is it wildly popular ? Of course not, but it doesn't have to be.
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One year ago I wrote a buddy memory allocator - project update
You are right about the tests - they are written with 64-bit in mind. I ought to rework them to switch sizes based on arch but that will take a weekend. I've filed https://github.com/spaskalev/buddy_alloc/issues/19 to track this.
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is there some good tutorial about how malloc or mcheck works?
I also maintain a application-based malloc (that doesn't do obtaining and releasing memory through the OS, just managing sub-diving a larger memory block into smaller requests) at https://github.com/spaskalev/buddy_alloc - feel free to ping me with any questions about it.
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I'm giving out microgrants to open source projects for the third year in a row! Brag about your projects here so I can see them, big or small!
I'm the author of https://github.com/spaskalev/buddy_alloc - a custom memory allocator for C (modern C11, works with C++ as well) designed for predictable and repeatable performance. It is suitable for use in embedded, games and any other system with soft or hard real-time demands. It has 100% line and branch test coverage and uses a fixed amount of space on the call stack when called. Recently the project had its first external contribution as well. Cheers!
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What is your own favorite C project?
I made a memory allocator that turned out rather neat - https://github.com/spaskalev/buddy_alloc
isoalloc
What are some alternatives?
rpmalloc - Public domain cross platform lock free thread caching 16-byte aligned memory allocator implemented in C
hardened_malloc - Hardened allocator designed for modern systems. It has integration into Android's Bionic libc and can be used externally with musl and glibc as a dynamic library for use on other Linux-based platforms. It will gain more portability / integration over time.
VulkanMemoryAllocator - Easy to integrate Vulkan memory allocation library
herpaderping - Process Herpaderping proof of concept, tool, and technical deep dive. Process Herpaderping bypasses security products by obscuring the intentions of a process.
gunslinger - C99, header-only framework for games and multimedia applications
MBE - Course materials for Modern Binary Exploitation by RPISEC
rotate - [WIP] static typed programming language that compiles to vm bytecode
heap-exploitation - This book on heap exploitation is a guide to understanding the internals of glibc's heap and various attacks possible on the heap structure.
gb - gb single-file public domain libraries for C & C++
microui - A tiny immediate-mode UI library
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
c - Visual Studio Code C/C++ development