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/*************************************************************************
* *
* ODER's Utilities Library. Copyright (C) 2008-2019 Oleh Derevenko. *
* All rights reserved. e-mail: odar@eleks.com (change all "a" to "e") *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of EITHER: *
* (1) The GNU Lesser General Public License as published by the Free *
* Software Foundation; either version 3 of the License, or (at *
* your option) any later version. The text of the GNU Lesser *
* General Public License is included with this library in the *
* file LICENSE-LESSER.TXT. Since LGPL is the extension of GPL *
* the text of GNU General Public License is also provided for *
* your information in file LICENSE.TXT. *
* (2) The BSD-style license that is included with this library in *
* the file LICENSE-BSD.TXT. *
* (3) The zlib/libpng license that is included with this library in *
* the file LICENSE-ZLIB.TXT *
* *
* This library is distributed WITHOUT ANY WARRANTY, including implied *
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the files LICENSE.TXT and LICENSE-LESSER.TXT or LICENSE-BSD.TXT *
* or LICENSE-ZLIB.TXT for more details. *
* *
*************************************************************************/
#ifndef __OU_MACROS_H_INCLUDED
#define __OU_MACROS_H_INCLUDED
#include <stddef.h>
//////////////////////////////////////////////////////////////////////////
// offsetof macro redefinition for QNX (to avoid compiler warning)
#if _OU_TARGET_OS == _OU_TARGET_OS_QNX
#undef offsetof
#define offsetof(s, m) ((size_t)&(((s *)8)->m) - (size_t)8)
#endif // #if _OU_TARGET_OS == _OU_TARGET_OS_QNX
//////////////////////////////////////////////////////////////////////////
// OU_ALIGNED_SIZE macro
#define OU_ALIGNED_SIZET(Size, Alignment) (((size_t)(Size) + (size_t)((Alignment) - 1)) & ~((size_t)((Alignment) - 1)))
#define OU_ALIGNED_INT(Size, Alignment) (((unsigned int)(Size) + (unsigned int)((Alignment) - 1)) & ~((unsigned int)((Alignment) - 1)))
#define OU_ALIGNED_SIZE(Size, Alignment) OU_ALIGNED_SIZET(Size, Alignment)
//////////////////////////////////////////////////////////////////////////
// OU_ARRAY_SIZE macro
#define OU_ARRAY_SIZE(Array) (sizeof(Array) / sizeof((Array)[0]))
//////////////////////////////////////////////////////////////////////////
// OU_IN_*_RANGE macros
/*
* Implementation Note:
* It seems to me "unsigned long long" is not always available.
* Therefore I find _OU_NAMESPACE::uint64ou a more safe choice.
* You have to include <ou/inttypes.h> for it to work.
* I do not include the header automaticaly to keep <macros.h>
* a low-level header.
*/
#define OU_IN_INT_RANGE(Value, Min, Max) ((unsigned int)((unsigned int)(Value) - (unsigned int)(Min)) < (unsigned int)((unsigned int)(Max) - (unsigned int)(Min)))
#define OU_IN_I64_RANGE(Value, Min, Max) ((_OU_NAMESPACE::uint64ou)((_OU_NAMESPACE::uint64ou)(Value) - (_OU_NAMESPACE::uint64ou)(Min)) < (_OU_NAMESPACE::uint64ou)((_OU_NAMESPACE::uint64ou)(Max) - (_OU_NAMESPACE::uint64ou)(Min)))
#define OU_IN_SIZET_RANGE(Value, Min, Max) ((size_t)((size_t)(Value) - (size_t)(Min)) < (size_t)((size_t)(Max) - (size_t)(Min)))
#endif // #ifndef __OU_MACROS_H_INCLUDED
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