| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _LINUX_STDDEF_H |
| 2 | #define _LINUX_STDDEF_H |
| 3 | |
| 4 | #include <linux/compiler.h> |
| 5 | |
| 6 | #undef NULL |
| 7 | #if defined(__cplusplus) |
| 8 | #define NULL 0 |
| 9 | #else |
| 10 | #define NULL ((void *)0) |
| 11 | #endif |
| 12 | |
| David Woodhouse | 1694176 | 2006-09-22 08:00:42 +0100 | [diff] [blame] | 13 | #ifdef __KERNEL__ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |
| David Woodhouse | 1694176 | 2006-09-22 08:00:42 +0100 | [diff] [blame] | 20 | #endif /* __KERNEL__ */ |
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | |
| 22 | #endif |