[src/trunk]: src/sys/external/bsd/common/include/linux linux: Add offsetofend.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a62d4888aa82
branches:  trunk
changeset: 1028489:a62d4888aa82
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 11:10:01 2021 +0000

description:
linux: Add offsetofend.

diffstat:

 sys/external/bsd/common/include/linux/compiler.h |   4 +-
 sys/external/bsd/common/include/linux/stddef.h   |  37 ++++++++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletions(-)

diffs (59 lines):

diff -r 1d8f98b364ef -r a62d4888aa82 sys/external/bsd/common/include/linux/compiler.h
--- a/sys/external/bsd/common/include/linux/compiler.h  Sun Dec 19 11:09:47 2021 +0000
+++ b/sys/external/bsd/common/include/linux/compiler.h  Sun Dec 19 11:10:01 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: compiler.h,v 1.4 2021/12/19 01:41:21 riastradh Exp $   */
+/*     $NetBSD: compiler.h,v 1.5 2021/12/19 11:10:01 riastradh Exp $   */
 
 /*-
  * Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -35,6 +35,8 @@
 #include <sys/atomic.h>
 #include <sys/cdefs.h>
 
+#include <linux/stddef.h>
+
 #include <asm/barrier.h>
 
 #define        __printf        __printflike
diff -r 1d8f98b364ef -r a62d4888aa82 sys/external/bsd/common/include/linux/stddef.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/external/bsd/common/include/linux/stddef.h    Sun Dec 19 11:10:01 2021 +0000
@@ -0,0 +1,37 @@
+/*     $NetBSD: stddef.h,v 1.1 2021/12/19 11:10:01 riastradh Exp $     */
+
+/*-
+ * Copyright (c) 2020 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef        _LINUX_STDDEF_H_
+#define        _LINUX_STDDEF_H_
+
+#include <lib/libkern/libkern.h>
+
+#define        sizeof_field(T, F)      sizeof(((T *)0)->F)
+#define        offsetofend(T, F)       (offsetof(T, F) + sizeof_field(T, F))
+
+#endif /* _LINUX_STDDEF_H_ */