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