| //===-- sanitizer_errno.h ---------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file is shared between sanitizers run-time libraries. |
| // |
| // Defines errno to avoid including errno.h and its dependencies into sensitive |
| // files (e.g. interceptors are not supposed to include any system headers). |
| // It's ok to use errno.h directly when your file already depend on other system |
| // includes though. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SANITIZER_ERRNO_H |
| #define SANITIZER_ERRNO_H |
| |
| #include "sanitizer_errno_codes.h" |
| #include "sanitizer_platform.h" |
| |
| #if SANITIZER_FREEBSD || SANITIZER_MAC |
| # define __errno_location __error |
| #elif SANITIZER_ANDROID || SANITIZER_NETBSD |
| # define __errno_location __errno |
| #elif SANITIZER_SOLARIS |
| # define __errno_location ___errno |
| #elif SANITIZER_WINDOWS |
| # define __errno_location _errno |
| #endif |
| |
| extern "C" int *__errno_location(); |
| |
| #define errno (*__errno_location()) |
| |
| #endif // SANITIZER_ERRNO_H |
