diff options
| -rw-r--r-- | include/util/util.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/util/util.h b/include/util/util.h index a08c7ee..095f02a 100644 --- a/include/util/util.h +++ b/include/util/util.h @@ -15,6 +15,9 @@ #include "compat.h" +#define container_of(ptr, type, member) \ + ((type *)((char *)ptr - offsetof(type, member))) + #if defined(__GNUC__) || defined(__clang__) #define UI_ADD_OV __builtin_uadd_overflow #define UL_ADD_OV __builtin_uaddl_overflow |