vadefs.h 2.2 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465
  1. /* ===-------- vadefs.h ---------------------------------------------------===
  2. *
  3. * Permission is hereby granted, free of charge, to any person obtaining a copy
  4. * of this software and associated documentation files (the "Software"), to deal
  5. * in the Software without restriction, including without limitation the rights
  6. * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  7. * copies of the Software, and to permit persons to whom the Software is
  8. * furnished to do so, subject to the following conditions:
  9. *
  10. * The above copyright notice and this permission notice shall be included in
  11. * all copies or substantial portions of the Software.
  12. *
  13. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  18. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  19. * THE SOFTWARE.
  20. *
  21. *===-----------------------------------------------------------------------===
  22. */
  23. /* Only include this if we are aiming for MSVC compatibility. */
  24. #ifndef _MSC_VER
  25. #include_next <vadefs.h>
  26. #else
  27. #ifndef __clang_vadefs_h
  28. #define __clang_vadefs_h
  29. #include_next <vadefs.h>
  30. /* Override macros from vadefs.h with definitions that work with Clang. */
  31. #ifdef _crt_va_start
  32. #undef _crt_va_start
  33. #define _crt_va_start(ap, param) __builtin_va_start(ap, param)
  34. #endif
  35. #ifdef _crt_va_end
  36. #undef _crt_va_end
  37. #define _crt_va_end(ap) __builtin_va_end(ap)
  38. #endif
  39. #ifdef _crt_va_arg
  40. #undef _crt_va_arg
  41. #define _crt_va_arg(ap, type) __builtin_va_arg(ap, type)
  42. #endif
  43. /* VS 2015 switched to double underscore names, which is an improvement, but now
  44. * we have to intercept those names too.
  45. */
  46. #ifdef __crt_va_start
  47. #undef __crt_va_start
  48. #define __crt_va_start(ap, param) __builtin_va_start(ap, param)
  49. #endif
  50. #ifdef __crt_va_end
  51. #undef __crt_va_end
  52. #define __crt_va_end(ap) __builtin_va_end(ap)
  53. #endif
  54. #ifdef __crt_va_arg
  55. #undef __crt_va_arg
  56. #define __crt_va_arg(ap, type) __builtin_va_arg(ap, type)
  57. #endif
  58. #endif
  59. #endif