| 1 | #ifndef _LINUX_STDDEF_H |
| 2 | #define _LINUX_STDDEF_H |
| 3 | |
| 4 | #include <uapi/linux/stddef.h> |
| 5 | |
| 6 | #undef NULL |
| 7 | #define NULL ((void *)0) |
| 8 | |
| 9 | enum { |
| 10 | false = 0, |
| 11 | true = 1 |
| 12 | }; |
| 13 | |
| 14 | #undef offsetof |
| 15 | #ifdef __compiler_offsetof |
| 16 | #define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER) |
| 17 | #else |
| 18 | #define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER) |
| 19 | #endif |
| 20 | |
| 21 | /** |
| 22 | * offsetofend(TYPE, MEMBER) |
| 23 | * |
| 24 | * @TYPE: The type of the structure |
| 25 | * @MEMBER: The member within the structure to get the end offset of |
| 26 | */ |
| 27 | #define offsetofend(TYPE, MEMBER) \ |
| 28 | (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) |
| 29 | |
| 30 | #endif |