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Last change
on this file was
e16e8f2,
checked in by Edwin Eefting <edwin@datux.nl>, 3 years ago
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bootstuff
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-
Property mode set to
100644
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File size:
553 bytes
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| 1 | /* |
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| 2 | * stddef.h |
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| 3 | */ |
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| 4 | |
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| 5 | #ifndef _STDDEF_H |
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| 6 | #define _STDDEF_H |
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| 7 | |
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| 8 | #ifndef __KLIBC__ |
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| 9 | # define __KLIBC__ 1 |
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| 10 | #endif |
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| 11 | |
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| 12 | #include <bitsize/stddef.h> |
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| 13 | |
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| 14 | #undef NULL |
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| 15 | #ifdef __cplusplus |
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| 16 | # define NULL 0 |
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| 17 | #else |
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| 18 | # define NULL ((void *)0) |
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| 19 | #endif |
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| 20 | |
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| 21 | #undef offsetof |
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| 22 | #define offsetof(t,m) ((size_t)&((t *)0)->m) |
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| 23 | |
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| 24 | #undef container_of |
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| 25 | /* |
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| 26 | * The container_of construct: if p is a pointer to member m of |
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| 27 | * container class c, then return a pointer to the container of which |
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| 28 | * *p is a member. |
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| 29 | */ |
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| 30 | #define container_of(p, c, m) ((c *)((char *)(p) - offsetof(c,m))) |
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| 31 | |
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| 32 | #endif /* _STDDEF_H */ |
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