Diligent Engine  v.2.4.g
ApplePlatformDefinitions.h
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1 /*
2  * Copyright 2019-2021 Diligent Graphics LLC
3  * Copyright 2015-2019 Egor Yusov
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
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14  * See the License for the specific language governing permissions and
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16  *
17  * In no event and under no legal theory, whether in tort (including negligence),
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19  * and grossly negligent acts) or agreed to in writing, shall any Contributor be
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21  * or consequential damages of any character arising as a result of this License or
22  * out of the use or inability to use the software (including but not limited to damages
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27 
28 #pragma once
29 
30 #include "../../../Primitives/interface/CommonDefinitions.h"
31 
32 #if DILIGENT_C_INTERFACE
33 
34 # define _countof(arr) (sizeof(arr) / sizeof(arr[0]))
35 
36 #else
37 
38 # include <cstddef>
39 
40 template <typename _CountofType, std::size_t _SizeOfArray>
41 char (*__countof_helper(_CountofType (&_Array)[_SizeOfArray]))[_SizeOfArray];
42 # define _countof(_Array) (sizeof(*__countof_helper(_Array)) + 0)
43 
44 #endif
__countof_helper
char(* __countof_helper(_CountofType(&_Array)[_SizeOfArray]))[_SizeOfArray]