__stddef_max_align_t.h 1.7 KB

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  1. /*===---- __stddef_max_align_t.h - Definition of max_align_t for modules ---===
  2. *
  3. * Copyright (c) 2014 Chandler Carruth
  4. *
  5. * Permission is hereby granted, free of charge, to any person obtaining a copy
  6. * of this software and associated documentation files (the "Software"), to deal
  7. * in the Software without restriction, including without limitation the rights
  8. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  9. * copies of the Software, and to permit persons to whom the Software is
  10. * furnished to do so, subject to the following conditions:
  11. *
  12. * The above copyright notice and this permission notice shall be included in
  13. * all copies or substantial portions of the Software.
  14. *
  15. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  18. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  21. * THE SOFTWARE.
  22. *
  23. *===-----------------------------------------------------------------------===
  24. */
  25. #ifndef __CLANG_MAX_ALIGN_T_DEFINED
  26. #define __CLANG_MAX_ALIGN_T_DEFINED
  27. #if defined(_MSC_VER)
  28. typedef double max_align_t;
  29. #elif defined(__APPLE__)
  30. typedef long double max_align_t;
  31. #else
  32. // Define 'max_align_t' to match the GCC definition.
  33. typedef struct {
  34. long long __clang_max_align_nonce1
  35. __attribute__((__aligned__(__alignof__(long long))));
  36. long double __clang_max_align_nonce2
  37. __attribute__((__aligned__(__alignof__(long double))));
  38. } max_align_t;
  39. #endif
  40. #endif