linux-kernel - [PATCH v2 03/20] linux/stddef.h, linux/offsetofend.h: Split offsetofend() into a separate header

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Date:   Sat, 20 Nov 2021 14:00:46 +0100
From:   Alejandro Colomar <alx.manpages@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>
Cc:     Alejandro Colomar <alx.manpages@...il.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Arnd Bergmann <arnd@...db.de>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Kees Cook <keescook@...omium.org>,
        Joe Perches <joe@...ches.com>
Subject: [PATCH v2 03/20] linux/stddef.h, linux/offsetofend.h: Split offsetofend() into a separate header

Include <linux/offsetofend.h> from <linux/stddef.h> for compatibility.

Signed-off-by: Alejandro Colomar <alx.manpages@...il.com>
---
 include/linux/offsetofend.h | 19 +++++++++++++++++++
 include/linux/stddef.h      | 10 +---------
 2 files changed, 20 insertions(+), 9 deletions(-)
 create mode 100644 include/linux/offsetofend.h

diff --git a/include/linux/offsetofend.h b/include/linux/offsetofend.h
new file mode 100644
index 000000000000..20fe2905629d
--- /dev/null
+++ b/include/linux/offsetofend.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_OFFSETOFEND_H
+#define _LINUX_OFFSETOFEND_H
+
+
+#include <linux/offsetof.h>
+#include <linux/sizeof_field.h>
+
+
+/**
+ * offsetofend() - Report the offset of a struct field within the struct
+ *
+ * @T: The type of the structure
+ * @m: The member within the structure to get the end offset of
+ */
+#define offsetofend(T, m)  (offsetof(T, m) + sizeof_field(T, m))
+
+
+#endif  /* _LINUX_OFFSETOFEND_H */
diff --git a/include/linux/stddef.h b/include/linux/stddef.h
index 1be2c71c1e85..c2e7e5051ef3 100644
--- a/include/linux/stddef.h
+++ b/include/linux/stddef.h
@@ -6,6 +6,7 @@
 #include <uapi/linux/stddef.h>
 
 #include <linux/offsetof.h>
+#include <linux/offsetofend.h>
 #include <linux/sizeof_field.h>
 
 
@@ -17,15 +18,6 @@ enum {
 	true	= 1
 };
 
-/**
- * offsetofend() - Report the offset of a struct field within the struct
- *
- * @TYPE: The type of the structure
- * @MEMBER: The member within the structure to get the end offset of
- */
-#define offsetofend(TYPE, MEMBER) \
-	(offsetof(TYPE, MEMBER)	+ sizeof_field(TYPE, MEMBER))
-
 /**
  * struct_group() - Wrap a set of declarations in a mirrored struct
  *
-- 
2.33.1