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| author | Maria Matejka <mq@ucw.cz> | 2022-09-07 13:54:20 +0200 |
|---|---|---|
| committer | Maria Matejka <mq@ucw.cz> | 2022-09-08 15:24:02 +0200 |
| commit | fb7fb6744582b2bb74b3b1e32696bd5534e93054 (patch) | |
| tree | a5b6d0bf41556edc242bd5dbf8d0aaf96af66ae1 /lib/birdlib.h | |
| parent | a42877b9bf09c4c042bced3910ade9b71ce3724c (diff) | |
Table access is now locked.
Diffstat (limited to 'lib/birdlib.h')
| -rw-r--r-- | lib/birdlib.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/birdlib.h b/lib/birdlib.h index d55b1a44..d743ecdf 100644 --- a/lib/birdlib.h +++ b/lib/birdlib.h @@ -14,8 +14,9 @@ /* Ugly structure offset handling macros */ +#define SAME_TYPE(a, b) ({ int _ = ((a) != (b)); !_; }) #define OFFSETOF(s, i) ((size_t) &((s *)0)->i) -#define SKIP_BACK(s, i, p) ({ s *_ptr = ((s *)((char *)p - OFFSETOF(s, i))); ASSERT_DIE(&_ptr->i == p); _ptr; }) +#define SKIP_BACK(s, i, p) ({ s *_ptr = ((s *)((char *)p - OFFSETOF(s, i))); SAME_TYPE(&_ptr->i, p); _ptr; }) #define BIRD_ALIGN(s, a) (((s)+a-1)&~(a-1)) #define CPU_STRUCT_ALIGN (MAX_(_Alignof(void*), _Alignof(u64))) #define BIRD_CPU_ALIGN(s) BIRD_ALIGN((s), CPU_STRUCT_ALIGN) |