diff options
Diffstat (limited to 'include/kernel/container_of.h')
| -rw-r--r-- | include/kernel/container_of.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/kernel/container_of.h b/include/kernel/container_of.h new file mode 100644 index 0000000..1b5b444 --- /dev/null +++ b/include/kernel/container_of.h @@ -0,0 +1,10 @@ +#ifndef KERNEL_CONTAINER_OF_H +#define KERNEL_CONTAINER_OF_H + +#ifndef container_of +#define container_of(ptr, type, member) ({ \ + const typeof(((type*)0)->member)*__mptr = (ptr); \ + (type*)((char*)__mptr - offsetof(type, member)); }) +#endif + +#endif |