1/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
2/* If you are missing that file, acquire a complete release at teeworlds.com. */
3#ifndef ENGINE_SHARED_MEMHEAP_H
4#define ENGINE_SHARED_MEMHEAP_H
5
6#include <cstddef>
7#include <new>
8#include <utility>
9
10class CHeap
11{
12 struct CChunk
13 {
14 char *m_pMemory;
15 char *m_pCurrent;
16 char *m_pEnd;
17 CChunk *m_pNext;
18 };
19
20 enum
21 {
22 // how large each chunk should be
23 CHUNK_SIZE = 1025 * 64,
24 };
25
26 CChunk *m_pCurrent;
27
28 void Clear();
29 void NewChunk(size_t ChunkSize);
30 void *AllocateFromChunk(unsigned int Size, unsigned Alignment);
31
32public:
33 CHeap();
34 ~CHeap();
35 void Reset();
36 void *Allocate(unsigned Size, unsigned Alignment = alignof(std::max_align_t));
37 const char *StoreString(const char *pSrc);
38
39 template<typename T, typename... TArgs>
40 T *Allocate(TArgs &&...Args)
41 {
42 return new(Allocate(Size: sizeof(T), Alignment: alignof(T))) T(std::forward<TArgs>(Args)...);
43 }
44};
45
46#endif
47