| // 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_VECTOR(Pointer, Class, Count) (Pointer = 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 |