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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
// mapnik
#include <mapnik/debug.hpp>
#include <mapnik/memory.hpp>
namespace mapnik
{
void* Object::operator new(size_t size)
{
void* block=::operator new (size);
return (char*) block;
}
void* Object::operator new(size_t size,MemoryManager* manager)
{
assert(manager);
size_t headerSize=MemoryUtils::alignPointerSize(sizeof(MemoryManager*));
void* const block=manager->allocate(headerSize+size);
*(MemoryManager**)block=manager;
return (char*)block+headerSize;
}
void Object::operator delete(void* p)
{
::operator delete(p);
}
void Object::operator delete(void* , MemoryManager* )
{
//MAPNIK_LOG_DEBUG(memory) << "operator delete with Manager " << std::hex << p << " " << manager;
}
inline size_t MemoryUtils::alignPointerSize(size_t ptrSize)
{
size_t alignment=(sizeof(void*) >= sizeof(double)) ? sizeof(void*) : sizeof(double);
size_t current=ptrSize % alignment;
return (current==0)?ptrSize:(ptrSize+alignment-current);
}
}
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