diff options
Diffstat (limited to 'rt/stddef.h')
| -rw-r--r-- | rt/stddef.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/rt/stddef.h b/rt/stddef.h index 83d9957..0064316 100644 --- a/rt/stddef.h +++ b/rt/stddef.h @@ -3,6 +3,10 @@ #define nil ((void*)0) +/* Generate a number with the x lowest bits set to 1 */ +#define LOWER(X) ((1 << (X)) - 1) + +/* Align a number to the upper boundary */ #define ALIGN_UP(X, F) ((X) - (X) % (F) + (F)) #endif
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