linux-kernel - [PATCH 0/4] tools/nolibc: assorted fixes and small updates

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Message-Id: <20250620100251.9877-1-w@1wt.eu>
Date: Fri, 20 Jun 2025 12:02:47 +0200
From: Willy Tarreau <w@....eu>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: linux-kernel@...r.kernel.org, Willy Tarreau <w@....eu>
Subject: [PATCH 0/4] tools/nolibc: assorted fixes and small updates

Trying to port a program to nolibc triggered a few trivial errors that
are worth being addressed:
  - inttypes.h is missing, while being generally recommended over stdint.h
    for being more portable. Here we add it, which simply includes stdint.h.

  - sys/select.h is supposed to be where struct fd_set and FD_CLR() etc
    are defined. Till now it was still in types.h. Let's create the file
    and move these definitions there.

  - memchr() was still missing, thus a trivial one was added.

Finally the help message from "make help" reported an inaccurate
installation path, omitting the dependency on $OUTPUT. This was
fixed as well.

Willy Tarreau (4):
  tools/nolibc: fix misleading help message regarding installation path
  tools/nolibc: add the more portable inttypes.h
  tools/nolibc: move FD_* definitions to sys/select.h
  tools/nolibc: add missing memchr() to string.h

 tools/include/nolibc/Makefile                |  4 +-
 tools/include/nolibc/inttypes.h              |  8 +++
 tools/include/nolibc/string.h                | 15 ++++++
 tools/include/nolibc/sys/select.h            | 56 ++++++++++++++++++++
 tools/include/nolibc/types.h                 | 48 +----------------
 tools/testing/selftests/nolibc/nolibc-test.c |  2 +
 6 files changed, 85 insertions(+), 48 deletions(-)
 create mode 100644 tools/include/nolibc/inttypes.h
 create mode 100644 tools/include/nolibc/sys/select.h

-- 
2.17.5