]> CyberLeo.Net >> Repos - FreeBSD/FreeBSD.git/blob - contrib/compiler-rt/lib/sanitizer_common/sanitizer_errno.h
Update to zstd 1.3.2
[FreeBSD/FreeBSD.git] / contrib / compiler-rt / lib / sanitizer_common / sanitizer_errno.h
1 //===-- sanitizer_errno.h ---------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file is shared between sanitizers run-time libraries.
11 //
12 // Defines errno to avoid including errno.h and its dependencies into sensitive
13 // files (e.g. interceptors are not supposed to include any system headers).
14 // It's ok to use errno.h directly when your file already depend on other system
15 // includes though.
16 //
17 //===----------------------------------------------------------------------===//
18
19 #ifndef SANITIZER_ERRNO_H
20 #define SANITIZER_ERRNO_H
21
22 #include "sanitizer_errno_codes.h"
23 #include "sanitizer_platform.h"
24
25 #if SANITIZER_FREEBSD || SANITIZER_MAC
26 #  define __errno_location __error
27 #elif SANITIZER_ANDROID
28 #  define __errno_location __errno
29 #elif SANITIZER_WINDOWS
30 #  define __errno_location _errno
31 #endif
32
33 extern "C" int *__errno_location();
34
35 #define errno (*__errno_location())
36
37 #endif  // SANITIZER_ERRNO_H