void* Allocator::_Realloc(void* ptr, size_t size, const char* file_name, unsigned int line_num)
{
//LOG("%s:%d realloc(%p, %d)\n", file_name, line_num, ptr, size);
byte* pBlock = (byte*)ptr - sizeof(Header);
Header* pHeader = reinterpret_cast<Header*>(pBlock);
Footer* pFooter = reinterpret_cast<Footer*>((byte*)ptr+size);
ASSERT(pHeader->m_pBlockNode != NULL);
BlockNode* pNode = pHeader->m_pBlockNode;
size_t total = size + sizeof(Header) + sizeof(Footer);
pBlock = (byte*)realloc(pBlock, total);
ptr = pBlock + sizeof(Header);
pHeader = reinterpret_cast<Header*>(pBlock);
pFooter = reinterpret_cast<Footer*>((byte*)ptr+size);
pHeader->Init(size, file_name, line_num);
pFooter->Init(size, file_name, line_num);
pNode->pBlock = pBlock;
pHeader->m_pBlockNode = pNode;
return ptr;
}
void* Allocator::_Malloc(size_t size, const char* file_name, unsigned int line_num)
{
//LOG("%s:%d malloc(%d)\n", file_name, line_num, size);
size_t total = size + sizeof(Header) + sizeof(Footer);
byte* pBlock = (byte*)malloc(total);
byte* ptr = pBlock + sizeof(Header);
Header* pHeader = reinterpret_cast<Header*>(pBlock);
Footer* pFooter = reinterpret_cast<Footer*>(ptr+size);
pHeader->Init(size, file_name, line_num);
pFooter->Init(size, file_name, line_num);
AddBlock(pBlock);
return ptr;
}
