compile_assert_c.h 957 B

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  1. /*
  2. * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  3. *
  4. * Use of this source code is governed by a BSD-style license
  5. * that can be found in the LICENSE file in the root of the source
  6. * tree. An additional intellectual property rights grant can be found
  7. * in the file PATENTS. All contributing project authors may
  8. * be found in the AUTHORS file in the root of the source tree.
  9. */
  10. #ifndef RTC_BASE_COMPILE_ASSERT_C_H_
  11. #define RTC_BASE_COMPILE_ASSERT_C_H_
  12. // Use this macro to verify at compile time that certain restrictions are met.
  13. // The argument is the boolean expression to evaluate.
  14. // Example:
  15. // RTC_COMPILE_ASSERT(sizeof(foo) < 128);
  16. // Note: In C++, use static_assert instead!
  17. #define RTC_COMPILE_ASSERT(expression) \
  18. switch (0) { \
  19. case 0: \
  20. case expression:; \
  21. }
  22. #endif // RTC_BASE_COMPILE_ASSERT_C_H_