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