[all-commits] [llvm/llvm-project] 96f5b1: [libc] Add netinet/udp.h containing struct udphdr ...

[Pavel Labath via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 96f5b177203af235f59e9c3512dd3734a4edbefb
      https://github.com/llvm/llvm-project/commit/96f5b177203af235f59e9c3512dd3734a4edbefb
  Author: Pavel Labath <pavel at labath.sk>
  Date:   2026-06-01 (Mon, 01 Jun 2026)

  Changed paths:
    M libc/config/linux/aarch64/headers.txt
    M libc/config/linux/riscv/headers.txt
    M libc/config/linux/x86_64/headers.txt
    M libc/hdr/types/CMakeLists.txt
    A libc/hdr/types/struct_udphdr.h
    M libc/include/CMakeLists.txt
    M libc/include/llvm-libc-types/CMakeLists.txt
    A libc/include/llvm-libc-types/struct_udphdr.h
    A libc/include/netinet/udp.yaml
    M libc/test/src/CMakeLists.txt
    A libc/test/src/netinet/CMakeLists.txt
    A libc/test/src/netinet/udp_test.cpp

  Log Message:
  -----------
  [libc] Add netinet/udp.h containing struct udphdr (#200839)

This patch adds a generated <netinet/udp.h> containing the `udphdr`
structure definition.

There are two styles ("linux" and "BSD") of udphdr field names (and both
of them can be found in the wild), so I follow the glibc and bionic
approach of using an anonymous union. (musl uses a #define on the field
names, which doesn't seem that great).

I've added the target to `include/CMakeLists.txt` and registered it
under target lists in `headers.txt` for the supported Linux platforms
(x86_64, aarch64, and riscv).

To verify layout and alignment correctness, I've added a layout and
field compatibility unit test under `test/src/netinet/udp_test.cpp`.

Assisted by Gemini.



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