nt/inc/stdalign.h

   1 #ifndef _NT_STDALIGN_H_
   2 #define _NT_STDALIGN_H_
   3
   4 /* This header has the necessary stuff from lib/stdalign.in.h, but
   5    avoids the need to have Sed at build time.  */
   6
   7 #include <stddef.h>
   8 #if defined __cplusplus
   9    template <class __t> struct __alignof_helper { char __a; __t __b; };
  10 # define _Alignof(type) offsetof (__alignof_helper<type>, __b)
  11 #else
  12 # define _Alignof(type) offsetof (struct { char __a; type __b; }, __b)
  13 #endif
  14 #define alignof _Alignof
  15
  16 #if __GNUC__
  17 # define _Alignas(a) __attribute__ ((__aligned__ (a)))
  18 #elif 1300 <= _MSC_VER
  19 # define _Alignas(a) __declspec (align (a))
  20 #endif
  21 #ifdef _Alignas
  22 # define alignas _Alignas
  23 #endif
  24
  25 #endif  /* _NT_STDALIGN_H_ */