/usr/include/cegui-0.8.7/CEGUI/MemoryAllocation.h is in libcegui-mk2-dev 0.8.7-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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created: 14/10/2010
author: Martin Preisler (inspired by Ogre3D)
purpose: Allows custom memory allocators to be used within CEGUI
*************************************************************************/
/***************************************************************************
* Copyright (C) 2004 - 2010 Paul D Turner & The CEGUI Development Team
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
***************************************************************************/
#ifndef _CEGUIMemoryAllocation_h_
#define _CEGUIMemoryAllocation_h_
#ifndef _CEGUIBase_h_
# error Dont include this directly! Include CEGUIBase.h instead.
#endif
#define CEGUI_SET_DEFAULT_ALLOCATOR(A)\
template<typename T>\
struct AllocatorConfig\
{\
typedef A Allocator;\
};
#define CEGUI_SET_ALLOCATOR(Class, A)\
template<>\
struct AllocatorConfig<Class>\
{\
typedef A Allocator;\
};
#ifdef CEGUI_CUSTOM_ALLOCATORS
namespace CEGUI
{
// stub classes uses for allocator configuration
class STLAllocator {};
class BufferAllocator {};
// borrowed from Ogre, used to construct arrays
template<typename T>
T* constructN(T* basePtr, size_t count)
{
for (size_t i = 0; i < count; ++i)
{
new ((void*)(basePtr+i)) T();
}
return basePtr;
}
// ogre doesn't do this template but I added it because it works even for types without
// destructors where I was getting syntax errors with just the macro
template<typename T>
void destructN(T* basePtr, size_t count)
{
// iterate in reverse for consistency with delete []
for (size_t i = count - 1; i-- > 0;)
{
basePtr[i].~T();
}
}
} // CEGUI namespace
#ifndef CEGUI_CUSTOM_ALLOCATORS_DEBUG
# define CEGUI_NEW_AO new
# define CEGUI_DELETE_AO delete
// for primitive types, types not inherited from AllocatedObject
# define CEGUI_NEW_PT(T, A) new (::CEGUI::AllocatorConfig<A>::Allocator::allocateBytes(sizeof(T))) T
# define CEGUI_NEW_ARRAY_PT(T, count, A) ::CEGUI::constructN(static_cast<T*>(::CEGUI::AllocatorConfig<A>::Allocator::allocateBytes(sizeof(T)*(count))), count)
# define CEGUI_DELETE_PT(ptr, T, A) do{if(ptr){(ptr)->~T(); ::CEGUI::AllocatorConfig<A>::Allocator::deallocateBytes((void*)ptr);}}while(0)
# define CEGUI_DELETE_ARRAY_PT(ptr, T, count, A) do{if(ptr){ ::CEGUI::destructN(static_cast<T*>(ptr), count); ::CEGUI::AllocatorConfig<A>::Allocator::deallocateBytes((void*)ptr);}}while(0)
#else
# define CEGUI_NEW_AO new(__FILE__, __LINE__, __FUNCTION__)
# define CEGUI_DELETE_AO delete
// for primitive types, types not inherited from AllocatedObject
# define CEGUI_NEW_PT(T, A) new (::CEGUI::AllocatorConfig<A>::Allocator::allocateBytes(sizeof(T), __FILE__, __LINE__, __FUNCTION__)) T
# define CEGUI_NEW_ARRAY_PT(T, count, A) ::CEGUI::constructN(static_cast<T*>(::CEGUI::AllocatorConfig<A>::Allocator::allocateBytes(sizeof(T)*(count), __FILE__, __LINE__, __FUNCTION__)), count)
# define CEGUI_DELETE_PT(ptr, T, A) do{if(ptr){(ptr)->~T(); ::CEGUI::AllocatorConfig<A>::Allocator::deallocateBytes((void*)ptr);}}while(0)
# define CEGUI_DELETE_ARRAY_PT(ptr, T, count, A) do{if(ptr){for (size_t b = count; b-- > 0;){ (ptr)[b].~T();} ::CEGUI::AllocatorConfig<A>::Allocator::deallocateBytes((void*)ptr);}}while(0)
#endif
#ifndef CEGUI_CUSTOM_ALLOCATORS_INCLUDE
# define CEGUI_CUSTOM_ALLOCATORS_INCLUDE "CEGUI/MemoryStdAllocator.h"
#endif
// all the wrappers have been declared, now we include the chosen memory allocator file
#include CEGUI_CUSTOM_ALLOCATORS_INCLUDE
#else
// dummy macros
#define CEGUI_NEW_AO new
#define CEGUI_DELETE_AO delete
// for primitive types, types not inherited from AllocatedObject
#define CEGUI_NEW_PT(T, Allocator) new T
#define CEGUI_NEW_ARRAY_PT(T, count, Allocator) new T[count]
#define CEGUI_DELETE_PT(ptr, T, Allocator) delete ptr
#define CEGUI_DELETE_ARRAY_PT(ptr, T, count, Allocator) delete [] ptr
#endif
#include "CEGUI/MemoryAllocatedObject.h"
#include "CEGUI/MemorySTLWrapper.h"
#endif // end of guard _CEGUIMemoryAllocation_h_
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