11c4468cfSMatthias Ringwald /* 21c4468cfSMatthias Ringwald * Copyright (C) 2019 BlueKitchen GmbH 31c4468cfSMatthias Ringwald * 41c4468cfSMatthias Ringwald * Redistribution and use in source and binary forms, with or without 51c4468cfSMatthias Ringwald * modification, are permitted provided that the following conditions 61c4468cfSMatthias Ringwald * are met: 71c4468cfSMatthias Ringwald * 81c4468cfSMatthias Ringwald * 1. Redistributions of source code must retain the above copyright 91c4468cfSMatthias Ringwald * notice, this list of conditions and the following disclaimer. 101c4468cfSMatthias Ringwald * 2. Redistributions in binary form must reproduce the above copyright 111c4468cfSMatthias Ringwald * notice, this list of conditions and the following disclaimer in the 121c4468cfSMatthias Ringwald * documentation and/or other materials provided with the distribution. 131c4468cfSMatthias Ringwald * 3. Neither the name of the copyright holders nor the names of 141c4468cfSMatthias Ringwald * contributors may be used to endorse or promote products derived 151c4468cfSMatthias Ringwald * from this software without specific prior written permission. 161c4468cfSMatthias Ringwald * 4. Any redistribution, use, or modification is done solely for 171c4468cfSMatthias Ringwald * personal benefit and not for any commercial purpose or for 181c4468cfSMatthias Ringwald * monetary gain. 191c4468cfSMatthias Ringwald * 201c4468cfSMatthias Ringwald * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 211c4468cfSMatthias Ringwald * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 221c4468cfSMatthias Ringwald * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 232fca4dadSMilanka Ringwald * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BLUEKITCHEN 242fca4dadSMilanka Ringwald * GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 251c4468cfSMatthias Ringwald * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 261c4468cfSMatthias Ringwald * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 271c4468cfSMatthias Ringwald * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 281c4468cfSMatthias Ringwald * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 291c4468cfSMatthias Ringwald * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 301c4468cfSMatthias Ringwald * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311c4468cfSMatthias Ringwald * SUCH DAMAGE. 321c4468cfSMatthias Ringwald * 331c4468cfSMatthias Ringwald * Please inquire about commercial licensing options at 341c4468cfSMatthias Ringwald * [email protected] 351c4468cfSMatthias Ringwald * 361c4468cfSMatthias Ringwald */ 371c4468cfSMatthias Ringwald 381c4468cfSMatthias Ringwald /* 391c4468cfSMatthias Ringwald * btstack_bool.h 401c4468cfSMatthias Ringwald * 411c4468cfSMatthias Ringwald * Provide bool type */ 421c4468cfSMatthias Ringwald 431c4468cfSMatthias Ringwald #ifndef BTSTACK_BOOL_H 441c4468cfSMatthias Ringwald #define BTSTACK_BOOL_H 451c4468cfSMatthias Ringwald 461c4468cfSMatthias Ringwald #if !defined(__cplusplus) 471c4468cfSMatthias Ringwald 481c4468cfSMatthias Ringwald // 491c4468cfSMatthias Ringwald // Check for C99 501c4468cfSMatthias Ringwald // see: https://sourceforge.net/p/predef/wiki/Standards/ 511c4468cfSMatthias Ringwald // 521c4468cfSMatthias Ringwald #if defined(__STDC__) 531c4468cfSMatthias Ringwald # if defined(__STDC_VERSION__) 541c4468cfSMatthias Ringwald # if (__STDC_VERSION__ >= 199901L) 551c4468cfSMatthias Ringwald # define PREDEF_STANDARD_C_1999 561c4468cfSMatthias Ringwald # endif 571c4468cfSMatthias Ringwald # endif 581c4468cfSMatthias Ringwald #endif /* __STDC__ */ 591c4468cfSMatthias Ringwald 601c4468cfSMatthias Ringwald // define boolean type - required for MISRA-C 2012 Essential Type System 611c4468cfSMatthias Ringwald #ifdef PREDEF_STANDARD_C_1999 621c4468cfSMatthias Ringwald 631c4468cfSMatthias Ringwald // use <stdbool.h> if C99 or higher 641c4468cfSMatthias Ringwald # include <stdbool.h> 651c4468cfSMatthias Ringwald 661c4468cfSMatthias Ringwald #else /* PREDEF_STANDARD_C_1999 */ 671c4468cfSMatthias Ringwald 68*a2c1e37eSMatthias Ringwald // backport for pre-c99 compilers or incorrect detection 69*a2c1e37eSMatthias Ringwald #ifndef bool 701c4468cfSMatthias Ringwald #define bool unsigned char 71*a2c1e37eSMatthias Ringwald #endif 72*a2c1e37eSMatthias Ringwald #ifndef false 731c4468cfSMatthias Ringwald #define false 0 74*a2c1e37eSMatthias Ringwald #endif 75*a2c1e37eSMatthias Ringwald #ifndef true 761c4468cfSMatthias Ringwald #define true 1 77*a2c1e37eSMatthias Ringwald #endif 781c4468cfSMatthias Ringwald 791c4468cfSMatthias Ringwald #endif /* PREDEF_STANDARD_C_1999 */ 801c4468cfSMatthias Ringwald 811c4468cfSMatthias Ringwald #endif /* __cplusplus */ 821c4468cfSMatthias Ringwald 831c4468cfSMatthias Ringwald #endif /* BTSTACK_BOOL_H */ 84