src/runtime/cpputil.h

   1 #ifndef SBCL_INCLUDED_CPPUTIL_H
   2 #define SBCL_INCLUDED_CPPUTIL_H
   3
   4 #include <stdint.h>
   5
   6 #define ALIGN_UP(value,granularity) (((value)+(granularity-1))&(~(granularity-1)))
   7 #define ALIGN_DOWN(value,granularity) (((value))&(~(granularity-1)))
   8 #define IS_ALIGNED(value,granularity) (0==(((value))&(granularity-1)))
   9
  10 #define PTR_ALIGN_UP(pointer,granularity)                       \
  11     (typeof(pointer))ALIGN_UP((uintptr_t)pointer,granularity)
  12
  13 #define PTR_ALIGN_DOWN(pointer,granularity)                     \
  14     (typeof(pointer))ALIGN_DOWN((uintptr_t)pointer,granularity)
  15
  16 #define PTR_IS_ALIGNED(pointer,granularity)     \
  17     IS_ALIGNED((uintptr_t)pointer,granularity)
  18
  19 #endif /* SBCL_INCLUDED_CPPUTIL_H */