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Message-Id: <20230801-nolibc-warnings-v2-0-1ba5ca57bd9b@weissschuh.net>
Date:   Tue, 01 Aug 2023 07:30:07 +0200
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Yuan Tan <tanyuan@...ylab.org>,
        Zhangjin Wu <falcon@...ylab.org>,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 00/10] tools/nolibc: enable compiler warnings

To help the developers to avoid mistakes and keep the code smaller let's
enable compiler warnings.

I stuck with __attribute__((unused)) over __maybe_unused in
nolibc-test.c for consistency with nolibc proper.
If we want to add a define it needs to be added twice once for nolibc
proper and once for nolibc-test otherwise libc-test wouldn't build
anymore.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
Changes in v2:
- Don't drop unused test helpers, mark them as __attribute__((unused))
- Make some function in nolibc-test static
- Also handle -W and -Wextra
- Link to v1: https://lore.kernel.org/r/20230731-nolibc-warnings-v1-0-74973d2a52d7@weissschuh.net

---
Thomas Weißschuh (10):
      tools/nolibc: drop unused variables
      tools/nolibc: sys: avoid implicit sign cast
      tools/nolibc: stdint: use int for size_t on 32bit
      selftests/nolibc: drop unused variables
      selftests/nolibc: mark test helpers as potentially unused
      selftests/nolibc: make functions static if possible
      selftests/nolibc: avoid unused arguments warnings
      selftests/nolibc: avoid sign-compare warnings
      selftests/nolibc: test return value of read() in test_vfprintf
      selftests/nolibc: enable compiler warnings

 tools/include/nolibc/stdint.h                |   4 +
 tools/include/nolibc/sys.h                   |   3 +-
 tools/testing/selftests/nolibc/Makefile      |   2 +-
 tools/testing/selftests/nolibc/nolibc-test.c | 108 +++++++++++++++++----------
 4 files changed, 74 insertions(+), 43 deletions(-)
---
base-commit: dfef4fc45d5713eb23d87f0863aff9c33bd4bfaf
change-id: 20230731-nolibc-warnings-c6e47284ac03

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>

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