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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef _FX_MEMORY_H_
#define _FX_MEMORY_H_
#include "fx_system.h"
#ifdef __cplusplus
#include <new>
extern "C" {
#endif
#define FX_Alloc(type, size) (type*)calloc(size, sizeof(type))
#define FX_Realloc(type, ptr, size) (type*)realloc(ptr, sizeof(type) * (size))
#define FX_AllocNL(type, size) FX_Alloc(type, size)
#define FX_ReallocNL(type, ptr, size) FX_Realloc(type, ptr, size)
#define FX_Free(ptr) free(ptr)
void* FXMEM_DefaultAlloc(size_t byte_size, int flags);
void* FXMEM_DefaultRealloc(void* pointer, size_t new_size, int flags);
void FXMEM_DefaultFree(void* pointer, int flags);
#ifdef __cplusplus
}
#define FX_NEW new
#define FX_NEW_VECTOR(Pointer, Class, Count) (Pointer = FX_NEW Class[Count])
#define FX_DELETE_VECTOR(Pointer, Class, Count) delete[] Pointer
class CFX_DestructObject
{
public:
virtual ~CFX_DestructObject() {}
};
class CFX_GrowOnlyPool
{
public:
CFX_GrowOnlyPool(size_t trunk_size = 16384);
~CFX_GrowOnlyPool();
void SetTrunkSize(size_t trunk_size)
{
m_TrunkSize = trunk_size;
}
void* AllocDebug(size_t size, FX_LPCSTR file, int line)
{
return Alloc(size);
}
void* Alloc(size_t size);
void* ReallocDebug(void* p, size_t new_size, FX_LPCSTR file, int line)
{
return NULL;
}
void* Realloc(void* p, size_t new_size)
{
return NULL;
}
void Free(void*) {}
void FreeAll();
private:
size_t m_TrunkSize;
void* m_pFirstTrunk;
};
#endif
#endif
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