| /*===---- __stddef_null.h - Definition of NULL -----------------------------=== |
| * |
| * 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 |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #if !defined(NULL) || !__building_module(_Builtin_stddef) |
| |
| /* linux/stddef.h will define NULL to 0. glibc (and other) headers then define |
| * __need_NULL and rely on stddef.h to redefine NULL to the correct value again. |
| * Modules don't support redefining macros like that, but support that pattern |
| * in the non-modules case. |
| */ |
| #undef NULL |
| |
| #ifdef __cplusplus |
| #if !defined(__MINGW32__) && !defined(_MSC_VER) |
| #define NULL __null |
| #else |
| #define NULL 0 |
| #endif |
| #else |
| #define NULL ((void*)0) |
| #endif |
| |
| #endif |
