linux-kernel - [PATCH 9/9] selftests: kselftest: Add ulong typedef for non-glibc compatibility

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Message-ID: <20250829142556.72577-10-aqibaf@amazon.com>
Date: Fri, 29 Aug 2025 14:25:53 +0000
From: Aqib Faruqui <aqibaf@...zon.com>
To: Shuah Khan <shuah@...nel.org>, <linux-kselftest@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
CC: <nh-open-source@...zon.com>, <aqibaf@...zon.com>
Subject: [PATCH 9/9] selftests: kselftest: Add ulong typedef for non-glibc compatibility

Some C libraries may not define the ulong typedef that is commonly
available as a BSD/GNU extension. Add a fallback typedef to ensure ulong
is available across all selftest environments.

Signed-off-by: Aqib Faruqui <aqibaf@...zon.com>
---
 tools/testing/selftests/kselftest.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h
index f362c6766..a1088a2af 100644
--- a/tools/testing/selftests/kselftest.h
+++ b/tools/testing/selftests/kselftest.h
@@ -58,6 +58,11 @@
 #include <stdio.h>
 #include <sys/utsname.h>
 #include <sys/syscall.h>
+#include <sys/types.h>
+#endif
+
+#ifndef ulong
+typedef unsigned long ulong;
 #endif
 
 #ifndef ARRAY_SIZE
-- 
2.47.3