offsetof is a standard C feature available from stddef.h, going
back all the way to ANSI C.
Signed-off-by: Michael Forney <mforney@xxxxxxxxxxx>
---
Perhaps there is some reason to prefer compiler builtins over libc
that I'm not seeing?
lib/ext2fs/compiler.h | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/lib/ext2fs/compiler.h b/lib/ext2fs/compiler.h
index 03c35ab8..42faa61c 100644
--- a/lib/ext2fs/compiler.h
+++ b/lib/ext2fs/compiler.h
@@ -1,18 +1,7 @@
#ifndef _EXT2FS_COMPILER_H
#define _EXT2FS_COMPILER_H
-#ifndef __has_builtin
-#define __has_builtin(x) 0
-#endif
-
-#undef offsetof
-#if __has_builtin(__builtin_offsetof)
-#define offsetof(TYPE, MEMBER) __builtin_offsetof(TYPE, MEMBER)
-#elif defined(__compiler_offsetof)
-#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER)
-#else
-#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
-#endif
+#include <stddef.h>
#ifdef __GNUC__
#define container_of(ptr, type, member) ({ \
--
2.30.1
