diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
| commit | 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a (patch) | |
| tree | 6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /lib/ext2fs/compiler.h | |
| parent | Initial commit. (diff) | |
| download | e2fsprogs-upstream/1.47.0.tar.xz e2fsprogs-upstream/1.47.0.zip | |
Adding upstream version 1.47.0.upstream/1.47.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'lib/ext2fs/compiler.h')
| -rw-r--r-- | lib/ext2fs/compiler.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/ext2fs/compiler.h b/lib/ext2fs/compiler.h new file mode 100644 index 0000000..3bb3521 --- /dev/null +++ b/lib/ext2fs/compiler.h @@ -0,0 +1,26 @@ +#ifndef _EXT2FS_COMPILER_H +#define _EXT2FS_COMPILER_H + +#include <stddef.h> + +#ifdef __GNUC__ + +#ifndef __GNUC_PREREQ +#if defined(__GNUC__) && defined(__GNUC_MINOR__) +#define __GNUC_PREREQ(maj, min) \ + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min)) +#else +#define __GNUC_PREREQ(maj, min) 0 +#endif +#endif + +#define container_of(ptr, type, member) ({ \ + __typeof__( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) +#else +#define container_of(ptr, type, member) \ + ((type *)((char *)(ptr) - offsetof(type, member))) +#endif + + +#endif /* _EXT2FS_COMPILER_H */ |