[all-commits] [llvm/llvm-project] 85c78d: [libc][stdlib] Add Block class (#94407)

[PiJoules via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 85c78d45073bec31287fa72f1f558bad4de36189
      https://github.com/llvm/llvm-project/commit/85c78d45073bec31287fa72f1f558bad4de36189
  Author: PiJoules <6019989+PiJoules at users.noreply.github.com>
  Date:   2024-06-10 (Mon, 10 Jun 2024)

  Changed paths:
    M libc/src/stdlib/CMakeLists.txt
    A libc/src/stdlib/block.h
    M libc/test/src/stdlib/CMakeLists.txt
    A libc/test/src/stdlib/block_test.cpp

  Log Message:
  -----------
  [libc][stdlib] Add Block class (#94407)

A block represents a chunk of memory used by the freelist allocator. It
contains header information denoting the usable space and pointers as
offsets to the next and previous block.

On it's own, this doesn't do much. This is a part of
https://github.com/llvm/llvm-project/pull/94270 to land in smaller
patches.

This is a subset of pigweed's freelist allocator implementation.



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