diff options
Diffstat (limited to 'include/linux/stddef.h')
| -rw-r--r-- | include/linux/stddef.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/stddef.h b/include/linux/stddef.h index f4aec0e75c3a..9c61c7cda936 100644 --- a/include/linux/stddef.h +++ b/include/linux/stddef.h @@ -3,7 +3,6 @@ #include <uapi/linux/stddef.h> - #undef NULL #define NULL ((void *)0) @@ -14,8 +13,18 @@ enum { #undef offsetof #ifdef __compiler_offsetof -#define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER) +#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) #else -#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) +#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER) #endif + +/** + * offsetofend(TYPE, MEMBER) + * + * @TYPE: The type of the structure + * @MEMBER: The member within the structure to get the end offset of + */ +#define offsetofend(TYPE, MEMBER) \ + (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) + #endif |