sanitizer_errno.h 1.3 KB

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  1. //===-- sanitizer_errno.h ---------------------------------------*- C++ -*-===//
  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. // This file is shared between sanitizers run-time libraries.
  10. //
  11. // Defines errno to avoid including errno.h and its dependencies into sensitive
  12. // files (e.g. interceptors are not supposed to include any system headers).
  13. // It's ok to use errno.h directly when your file already depend on other system
  14. // includes though.
  15. //
  16. //===----------------------------------------------------------------------===//
  17. #ifndef SANITIZER_ERRNO_H
  18. #define SANITIZER_ERRNO_H
  19. #include "sanitizer_errno_codes.h"
  20. #include "sanitizer_platform.h"
  21. #if SANITIZER_FREEBSD || SANITIZER_APPLE
  22. # define __errno_location __error
  23. #elif SANITIZER_ANDROID || SANITIZER_NETBSD
  24. # define __errno_location __errno
  25. #elif SANITIZER_SOLARIS
  26. # define __errno_location ___errno
  27. #elif SANITIZER_WINDOWS
  28. # define __errno_location _errno
  29. #endif
  30. extern "C" int *__errno_location();
  31. #define errno (*__errno_location())
  32. #endif // SANITIZER_ERRNO_H