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freebsd/include/stddef.h
Alexander Kabaev 7935fd6ef1 Add guards to ptrdiff_t definition in include/stddef.h
Back in 2011 obrien has added the #define macro in sys/sys/stddef.h to
guard ptrdiff_t. Add similar protection to the identical code in
include/stddef.h.

Submitted by:   Mariusz Zaborski <oshogbo@FreeBSD.org>
MFC after:      1 week
2014-08-21 15:10:10 +00:00

68 lines
2.2 KiB
C

/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the University 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 REGENTS 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 THE REGENTS OR CONTRIBUTORS 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 8.1 (Berkeley) 6/2/93
*
* $FreeBSD$
*/
#ifndef _STDDEF_H_
#define _STDDEF_H_
#include <sys/cdefs.h>
#include <sys/_null.h>
#include <sys/_types.h>
#ifndef _PTRDIFF_T_DECLARED
typedef __ptrdiff_t ptrdiff_t;
#define _PTRDIFF_T_DECLARED
#endif
#if __BSD_VISIBLE
#ifndef _RUNE_T_DECLARED
typedef __rune_t rune_t;
#define _RUNE_T_DECLARED
#endif
#endif
#ifndef _SIZE_T_DECLARED
typedef __size_t size_t;
#define _SIZE_T_DECLARED
#endif
#ifndef __cplusplus
#ifndef _WCHAR_T_DECLARED
typedef ___wchar_t wchar_t;
#define _WCHAR_T_DECLARED
#endif
#endif
#define offsetof(type, member) __offsetof(type, member)
#endif /* _STDDEF_H_ */