[all-commits] [llvm/llvm-project] 89fa73: [libc] Implement inet_ntoa (#208702)

[Pavel Labath via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 89fa7352a2cfd5ec498ba442de77d257475954f2
      https://github.com/llvm/llvm-project/commit/89fa7352a2cfd5ec498ba442de77d257475954f2
  Author: Pavel Labath <pavel at labath.sk>
  Date:   2026-07-15 (Wed, 15 Jul 2026)

  Changed paths:
    M libc/config/linux/aarch64/entrypoints.txt
    M libc/config/linux/riscv/entrypoints.txt
    M libc/config/linux/x86_64/entrypoints.txt
    M libc/include/arpa/inet.yaml
    M libc/src/arpa/inet/CMakeLists.txt
    A libc/src/arpa/inet/inet_ntoa.cpp
    A libc/src/arpa/inet/inet_ntoa.h
    M libc/test/src/arpa/inet/CMakeLists.txt
    A libc/test/src/arpa/inet/inet_ntoa_test.cpp

  Log Message:
  -----------
  [libc] Implement inet_ntoa (#208702)

Implement inet_ntoa, reusing the internal net::ipv4_to_str helper that
backs inet_ntop.

The result is stored in a *thread-local* static buffer. A thread-local
buffer is not required for POSIX conformance, but there is some
precedent for that, both in llvm libc (e.g. `strsignal`) and in glibc
(whose `inet_ntoa` uses it). I'm doing the same for maximum
compatiblity.

Assisted by Gemini.



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