clang/lib/Headers/stdalign.h

   1 /*===---- stdalign.h - Standard header for alignment ------------------------===
   2  *
   3  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4  * See https://llvm.org/LICENSE.txt for license information.
   5  * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6  *
   7  *===-----------------------------------------------------------------------===
   8  */
   9
  10 #ifndef __STDALIGN_H
  11 #define __STDALIGN_H
  12
  13 /* FIXME: This is using the placeholder dates Clang produces for these macros
  14    in C2x mode; switch to the correct values once they've been published. */
  15 #if defined(__cplusplus) ||                                                    \
  16     (defined(__STDC_VERSION__) && __STDC_VERSION__ < 202000L)
  17 #ifndef __cplusplus
  18 #define alignas _Alignas
  19 #define alignof _Alignof
  20 #endif
  21
  22 #define __alignas_is_defined 1
  23 #define __alignof_is_defined 1
  24 #endif /* __STDC_VERSION__ */
  25
  26 #endif /* __STDALIGN_H */