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Diffstat (limited to 'runtime/include/stddef.h')
-rw-r--r-- | runtime/include/stddef.h | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/runtime/include/stddef.h b/runtime/include/stddef.h new file mode 100644 index 00000000..3da06c6f --- /dev/null +++ b/runtime/include/stddef.h @@ -0,0 +1,81 @@ +/* This file is part of the Compcert verified compiler. + * + * Copyright (c) 2015 Institut National de Recherche en Informatique et + * en Automatique. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the <organization> nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT + * HOLDER> BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* <stddef.h> -- common definitions (ISO C99 7.17) */ + +#ifndef _STDDEF_H + +/* Glibc compatibility: if one of the __need_ macros is set, + just define the corresponding type or macro + and don't consider this file as fully included yet. */ +#if !defined(__need_size_t) && !defined(__need_ptrdiff_t) && !defined(__need_wchar_t) && !defined(__need_NULL) +#define _STDDEF_H +#endif + +#if defined(_STDDEF_H) || defined(__need_size_t) +#ifndef _SIZE_T +#define _SIZE_T +typedef unsigned long size_t; +#endif +#undef __need_size_t +#endif + +#if defined(_STDDEF_H) || defined(__need_ptrdiff_t) +#ifndef _PTRDIFF_T +#define _PTRDIFF_T +typedef signed long ptrdiff_t; +#endif +#undef __need_ptrdiff_t +#endif + +#if defined(_STDDEF_H) || defined(__need_wchar_t) +#ifndef _WCHAR_T +#define _WCHAR_T +#ifdef _WIN32 +typedef unsigned short wchar_t; +#else +typedef signed int wchar_t; +#endif +#endif +#undef __need_wchar_t +#endif + +#if defined(_STDDEF_H) || defined(__need_NULL) +#ifndef NULL +#define NULL 0 +#endif +#undef __need_NULL +#endif + +#if defined(_STDDEF_H) && !defined(offsetof) +#define offsetof(ty,member) ((size_t) &(((ty)*) NULL)->member) +#endif + +#endif + |