[all-commits] [llvm/llvm-project] 21be7e: [libc] Implement BSD extensions in <err.h> (#199055)

[Jeff Bailey via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 21be7ef4473615a774f7c26beeebba3161b72322
      https://github.com/llvm/llvm-project/commit/21be7ef4473615a774f7c26beeebba3161b72322
  Author: Jeff Bailey <jbailey at raspberryginger.com>
  Date:   2026-07-09 (Thu, 09 Jul 2026)

  Changed paths:
    M libc/config/linux/aarch64/entrypoints.txt
    M libc/config/linux/arm/entrypoints.txt
    M libc/config/linux/riscv/entrypoints.txt
    M libc/config/linux/x86_64/entrypoints.txt
    M libc/include/CMakeLists.txt
    A libc/include/err.yaml
    M libc/src/CMakeLists.txt
    A libc/src/err/CMakeLists.txt
    A libc/src/err/err.cpp
    A libc/src/err/err.h
    A libc/src/err/errx.cpp
    A libc/src/err/errx.h
    A libc/src/err/report.cpp
    A libc/src/err/report.h
    A libc/src/err/verr.cpp
    A libc/src/err/verr.h
    A libc/src/err/verrx.cpp
    A libc/src/err/verrx.h
    A libc/src/err/vwarn.cpp
    A libc/src/err/vwarn.h
    A libc/src/err/vwarnx.cpp
    A libc/src/err/vwarnx.h
    A libc/src/err/warn.cpp
    A libc/src/err/warn.h
    A libc/src/err/warnx.cpp
    A libc/src/err/warnx.h
    M libc/test/src/CMakeLists.txt
    A libc/test/src/err/CMakeLists.txt
    A libc/test/src/err/err_test.cpp
    A libc/test/src/err/errx_test.cpp
    A libc/test/src/err/verr_test.cpp
    A libc/test/src/err/verrx_test.cpp
    A libc/test/src/err/vwarn_test.cpp
    A libc/test/src/err/vwarnx_test.cpp
    A libc/test/src/err/warn_test.cpp
    A libc/test/src/err/warnx_test.cpp

  Log Message:
  -----------
  [libc] Implement BSD extensions in <err.h> (#199055)

Implemented the BSD-extension functions defined in <err.h>:

- err, errx, verr, verrx
- warn, warnx, vwarn, vwarnx

Added an internal reporting helper in src/__support/Err. The err family
functions call internal::exit directly to satisfy [[noreturn]]
requirements. Enabled these entrypoints for aarch64, riscv, and x86_64.

Assisted-by: Automated tooling, human reviewed.



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