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 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _STDBOOL_H 28 #define _STDBOOL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 /* 37 * Included for alignment with the ISO/IEC 9899:1999 standard. The 38 * contents of this header are only visible when using a c99 39 * compiler, otherwise inclusion of this header will result in a 40 * forced compilation failure. 41 * 42 * Note that the ability to undefine and redefine the macros bool, 43 * true, and false is an obsolescent feature which may be withdrawn 44 * in a future version of the standards specifications. 45 */ 46 47 #include <sys/feature_tests.h> 48 49 #if defined(_STDC_C99) 50 51 #undef bool 52 #undef true 53 #undef false 54 55 #define bool _Bool 56 #define true 1 57 #define false 0 58 59 #define __bool_true_false_are_defined 1 60 61 #else /* _STDC_C99 */ 62 63 #error "Use of <stdbool.h> is valid only in a c99 compilation environment." 64 65 #endif /* _STDC_C99 */ 66 67 #ifdef __cplusplus 68 } 69 #endif 70 71 #endif /* _STDBOOL_H */ 72