util.h
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00001 /*
00002  *  RPLIDAR SDK
00003  *
00004  *  Copyright (c) 2009 - 2014 RoboPeak Team
00005  *  http://www.robopeak.com
00006  *  Copyright (c) 2014 - 2019 Shanghai Slamtec Co., Ltd.
00007  *  http://www.slamtec.com
00008  *
00009  */
00010 /*
00011  * Redistribution and use in source and binary forms, with or without 
00012  * modification, are permitted provided that the following conditions are met:
00013  *
00014  * 1. Redistributions of source code must retain the above copyright notice, 
00015  *    this list of conditions and the following disclaimer.
00016  *
00017  * 2. Redistributions in binary form must reproduce the above copyright notice, 
00018  *    this list of conditions and the following disclaimer in the documentation 
00019  *    and/or other materials provided with the distribution.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
00022  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 
00023  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
00024  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
00025  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
00026  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
00027  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 
00028  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
00029  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
00030  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 
00031  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00032  *
00033  */
00034 
00035 #pragma once
00036 
00037 
00038 //------
00039 /* _countof helper */
00040 #if !defined(_countof)
00041 #if !defined(__cplusplus)
00042 #define _countof(_Array) (sizeof(_Array) / sizeof(_Array[0]))
00043 #else
00044 extern "C++"
00045 {
00046 template <typename _CountofType, size_t _SizeOfArray>
00047 char (*__countof_helper( _CountofType (&_Array)[_SizeOfArray]))[_SizeOfArray];
00048 #define _countof(_Array) sizeof(*__countof_helper(_Array))
00049 }
00050 #endif
00051 #endif
00052 
00053 /* _offsetof helper */
00054 #if !defined(offsetof)
00055 #define offsetof(_structure, _field) ((_word_size_t)&(((_structure *)0x0)->_field))
00056 #endif
00057 
00058 
00059 #define BEGIN_STATIC_CODE( _blockname_ ) \
00060     static class _static_code_##_blockname_ {   \
00061     public:     \
00062         _static_code_##_blockname_ () 
00063 
00064 
00065 #define END_STATIC_CODE( _blockname_ ) \
00066     }   _instance_##_blockname_;
00067 


rplidar_ros
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autogenerated on Mon Mar 18 2019 02:34:23