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//===-- 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 || \
SANITIZER_RTEMS
# 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
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