linux-kernel - [PATCH v3 02/14] tools/nolibc: fix return type of getpagesize()

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Message-Id: <20230803-nolibc-warnings-v3-2-bcc1a096ae02@weissschuh.net>
Date:   Thu, 03 Aug 2023 09:28:46 +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 v3 02/14] tools/nolibc: fix return type of getpagesize()

It's documented as returning int which is also implemented by glibc and
musl, so adopt that return type.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/include/nolibc/sys.h                   | 4 ++--
 tools/testing/selftests/nolibc/nolibc-test.c | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index e12dd962c578..c151533ba8e9 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -460,11 +460,11 @@ pid_t gettid(void)
 static unsigned long getauxval(unsigned long key);
 
 /*
- * long getpagesize(void);
+ * int getpagesize(void);
  */
 
 static __attribute__((unused))
-long getpagesize(void)
+int getpagesize(void)
 {
 	return __sysret(getauxval(AT_PAGESZ) ?: -ENOENT);
 }
diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 3a21bee360ea..52489455add8 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -636,7 +636,7 @@ int test_getdents64(const char *dir)
 
 static int test_getpagesize(void)
 {
-	long x = getpagesize();
+	int x = getpagesize();
 	int c;
 
 	if (x < 0)

-- 
2.41.0