diff options
Diffstat (limited to 'lib/sanitizer_common/sanitizer_errno.h')
-rw-r--r-- | lib/sanitizer_common/sanitizer_errno.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/sanitizer_common/sanitizer_errno.h b/lib/sanitizer_common/sanitizer_errno.h new file mode 100644 index 000000000..6cbbace9f --- /dev/null +++ b/lib/sanitizer_common/sanitizer_errno.h @@ -0,0 +1,37 @@ +//===-- 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 || SANITIZER_NETBSD +# 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 |