| /*===---- stddef.h - Basic type definitions --------------------------------=== |
| * |
| * Copyright (c) 2008 Eli Friedman |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a copy |
| * of this software and associated documentation files (the "Software"), to deal |
| * in the Software without restriction, including without limitation the rights |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| * copies of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| * THE SOFTWARE. |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #ifndef __STDDEF_H |
| #define __STDDEF_H |
| |
| #ifndef _PTRDIFF_T |
| #define _PTRDIFF_T |
| typedef __typeof__(((int*)0)-((int*)0)) ptrdiff_t; |
| #endif |
| #ifndef _SIZE_T |
| #define _SIZE_T |
| typedef __typeof__(sizeof(int)) size_t; |
| #endif |
| #ifndef __cplusplus |
| #ifndef _WCHAR_T |
| #define _WCHAR_T |
| typedef __WCHAR_TYPE__ wchar_t; |
| #endif |
| #endif |
| |
| #undef NULL |
| #ifdef __cplusplus |
| #undef __null // VC++ hack. |
| #define NULL __null |
| #else |
| #define NULL ((void*)0) |
| #endif |
| |
| #define offsetof(t, d) __builtin_offsetof(t, d) |
| |
| #endif /* __STDDEF_H */ |
| |
| /* Some C libraries expect to see a wint_t here. Others (notably MinGW) will use |
| __WINT_TYPE__ directly; accommodate both by requiring __need_wint_t */ |
| #if defined(__need_wint_t) |
| #if !defined(_WINT_T) |
| #define _WINT_T |
| typedef __WINT_TYPE__ wint_t; |
| #endif /* _WINT_T */ |
| #undef __need_wint_t |
| #endif /* __need_wint_t */ |
