diff options
-rw-r--r-- | server/include/list.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/server/include/list.h b/server/include/list.h index fc3af68..b75e846 100644 --- a/server/include/list.h +++ b/server/include/list.h @@ -3,6 +3,12 @@ #include <stddef.h> +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof(((type*)0)->member)*__mptr = (ptr); \ + (type*)((char*)__mptr - offsetof(type, member)); }) +#endif + struct list_head { struct list_head *next; struct list_head *prev; |