| 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 | |||||
| 13 | #undef offsetof | ||||
| 14 | #ifdef __compiler_offsetof | ||||
| 15 | #define offsetof(TYPE,MEMBER) __compiler_offsetof(TYPE,MEMBER) | ||||
| 16 | #else | ||||
| 17 | #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) | ||||
| 18 | #endif | ||||
| 19 | |||||
| 20 | #endif | ||||