From ff641b94674eae2f1a20cebf8a59bfe0f71802c4 Mon Sep 17 00:00:00 2001 From: Alex Shlyapnikov Date: Thu, 6 Jul 2017 00:50:57 +0000 Subject: [Sanitizers] Consolidate internal errno definitions. Move internal errno definitions to common to be shared by all sanitizers and to be used by allocators. git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@307233 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/sanitizer_common/sanitizer_errno.h | 35 ++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 lib/sanitizer_common/sanitizer_errno.h (limited to 'lib/sanitizer_common/sanitizer_errno.h') diff --git a/lib/sanitizer_common/sanitizer_errno.h b/lib/sanitizer_common/sanitizer_errno.h new file mode 100644 index 000000000..c405307ba --- /dev/null +++ b/lib/sanitizer_common/sanitizer_errno.h @@ -0,0 +1,35 @@ +//===-- sanitizer_errno.h ---------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// 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 +# define __errno_location __errno +#endif + +extern "C" int *__errno_location(); + +#define errno (*__errno_location()) + +#endif // SANITIZER_ERRNO_H -- cgit v1.2.3