1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1988 AT&T */ 23 /* All Rights Reserved */ 24 25 26 /* 27 * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #ifndef _STDDEF_H 32 #define _STDDEF_H 33 34 #include <sys/isa_defs.h> 35 #include <iso/stddef_iso.h> 36 #include <sys/stddef.h> 37 38 /* 39 * Allow global visibility for symbols defined in 40 * C++ "std" namespace in <iso/stddef_iso.h>. 41 */ 42 #if __cplusplus >= 199711L 43 using std::ptrdiff_t; 44 using std::size_t; 45 #endif 46 47 #ifdef __cplusplus 48 extern "C" { 49 #endif 50 51 /* 52 * wchar_t is a built-in type in standard C++ and as such is not 53 * defined here when using standard C++. However, the GNU compiler 54 * fixincludes utility nonetheless creates its own version of this 55 * header for use by gcc and g++. In that version it adds a redundant 56 * guard for __cplusplus. To avoid the creation of a gcc/g++ specific 57 * header we need to include the following magic comment: 58 * 59 * we must use the C++ compiler's type 60 * 61 * The above comment should not be removed or changed until GNU 62 * gcc/fixinc/inclhack.def is updated to bypass this header. 63 */ 64 #if !defined(__cplusplus) || (__cplusplus < 199711L && !defined(__GNUG__)) 65 #ifndef _WCHAR_T 66 #define _WCHAR_T 67 #if defined(_LP64) 68 typedef int wchar_t; 69 #else 70 typedef long wchar_t; 71 #endif 72 #endif /* !_WCHAR_T */ 73 #endif /* !defined(__cplusplus) ... */ 74 75 #ifdef __cplusplus 76 } 77 #endif 78 79 #endif /* _STDDEF_H */ 80