xref: /onnv-gate/usr/src/head/stddef.h (revision 376:28d11977b99c)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
230Sstevel@tonic-gate /*	  All Rights Reserved  	*/
240Sstevel@tonic-gate 
250Sstevel@tonic-gate 
260Sstevel@tonic-gate /*
270Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
280Sstevel@tonic-gate  * Use is subject to license terms.
290Sstevel@tonic-gate  */
300Sstevel@tonic-gate 
310Sstevel@tonic-gate #ifndef _STDDEF_H
320Sstevel@tonic-gate #define	_STDDEF_H
330Sstevel@tonic-gate 
340Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
350Sstevel@tonic-gate 
360Sstevel@tonic-gate #include <sys/isa_defs.h>
370Sstevel@tonic-gate #include <iso/stddef_iso.h>
380Sstevel@tonic-gate 
390Sstevel@tonic-gate /*
400Sstevel@tonic-gate  * Allow global visibility for symbols defined in
410Sstevel@tonic-gate  * C++ "std" namespace in <iso/stddef_iso.h>.
420Sstevel@tonic-gate  */
430Sstevel@tonic-gate #if __cplusplus >= 199711L
440Sstevel@tonic-gate using std::ptrdiff_t;
450Sstevel@tonic-gate using std::size_t;
460Sstevel@tonic-gate #endif
470Sstevel@tonic-gate 
480Sstevel@tonic-gate #ifdef	__cplusplus
490Sstevel@tonic-gate extern "C" {
500Sstevel@tonic-gate #endif
510Sstevel@tonic-gate 
520Sstevel@tonic-gate /*
530Sstevel@tonic-gate  * wchar_t is a built-in type in standard C++ and as such is not
540Sstevel@tonic-gate  * defined here when using standard C++. However, the GNU compiler
55*376Swesolows  * fixincludes utility nonetheless creates its own version of this
560Sstevel@tonic-gate  * header for use by gcc and g++. In that version it adds a redundant
570Sstevel@tonic-gate  * guard for __cplusplus. To avoid the creation of a gcc/g++ specific
580Sstevel@tonic-gate  * header we need to include the following magic comment:
590Sstevel@tonic-gate  *
600Sstevel@tonic-gate  * we must use the C++ compiler's type
610Sstevel@tonic-gate  *
620Sstevel@tonic-gate  * The above comment should not be removed or changed until GNU
630Sstevel@tonic-gate  * gcc/fixinc/inclhack.def is updated to bypass this header.
640Sstevel@tonic-gate  */
650Sstevel@tonic-gate #if !defined(__cplusplus) || (__cplusplus < 199711L && !defined(__GNUG__))
660Sstevel@tonic-gate #ifndef _WCHAR_T
670Sstevel@tonic-gate #define	_WCHAR_T
680Sstevel@tonic-gate #if defined(_LP64)
690Sstevel@tonic-gate typedef int	wchar_t;
700Sstevel@tonic-gate #else
710Sstevel@tonic-gate typedef long    wchar_t;
720Sstevel@tonic-gate #endif
730Sstevel@tonic-gate #endif  /* !_WCHAR_T */
740Sstevel@tonic-gate #endif	/* !defined(__cplusplus) ... */
750Sstevel@tonic-gate 
760Sstevel@tonic-gate #ifdef	__cplusplus
770Sstevel@tonic-gate }
780Sstevel@tonic-gate #endif
790Sstevel@tonic-gate 
800Sstevel@tonic-gate #endif	/* _STDDEF_H */
81