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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| 6 | 6 |
| 7 #ifndef _FX_MEMORY_H_ | 7 #ifndef _FX_MEMORY_H_ |
| 8 #define _FX_MEMORY_H_ | 8 #define _FX_MEMORY_H_ |
| 9 #ifndef _FX_SYSTEM_H_ | 9 #ifndef _FX_SYSTEM_H_ |
| 10 #include "fx_system.h" | 10 #include "fx_system.h" |
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| 58 void operator delete[] (void* p) | 58 void operator delete[] (void* p) |
| 59 { | 59 { |
| 60 free(p); | 60 free(p); |
| 61 } | 61 } |
| 62 void* operator new (size_t, void* buf) | 62 void* operator new (size_t, void* buf) |
| 63 { | 63 { |
| 64 return buf; | 64 return buf; |
| 65 } | 65 } |
| 66 void operator delete (void*, void*)
{} | 66 void operator delete (void*, void*)
{} |
| 67 }; | 67 }; |
| 68 #endif | |
| 69 #ifdef __cplusplus | |
| 70 #if defined(_DEBUG) | 68 #if defined(_DEBUG) |
| 71 #define FX_NEW new(__FILE__, __LINE__) | 69 #define FX_NEW new(__FILE__, __LINE__) |
| 72 #else | 70 #else |
| 73 | |
| 74 #define FX_NEW new | 71 #define FX_NEW new |
| 75 #endif | 72 #endif |
| 76 #define FX_NEW_VECTOR(Pointer, Class, Count) \ | 73 #define FX_NEW_VECTOR(Pointer, Class, Count) \ |
| 77 { \ | 74 { \ |
| 78 Pointer = FX_Alloc(Class, Count); \ | 75 Pointer = FX_Alloc(Class, Count); \ |
| 79 if (Pointer) { \ | 76 if (Pointer) { \ |
| 80 for (int i = 0; i < (Count); i ++) new (Pointer + i) Class; \ | 77 for (int i = 0; i < (Count); i ++) new (Pointer + i) Class; \ |
| 81 } \ | 78 } \ |
| 82 } | 79 } |
| 83 #define FX_DELETE_VECTOR(Pointer, Class, Count) \ | 80 #define FX_DELETE_VECTOR(Pointer, Class, Count) \ |
| 84 { \ | 81 { \ |
| 85 for (int i = 0; i < (Count); i ++) Pointer[i].~Class(); \ | 82 for (int i = 0; i < (Count); i ++) Pointer[i].~Class(); \ |
| 86 FX_Free(Pointer); \ | 83 FX_Free(Pointer); \ |
| 87 } | 84 } |
| 88 class CFX_DestructObject : public CFX_Object | 85 class CFX_DestructObject : public CFX_Object |
| 89 { | 86 { |
| 90 public: | 87 public: |
| 91 | 88 |
| 92 virtual ~CFX_DestructObject() {} | 89 virtual ~CFX_DestructObject() {} |
| 93 }; | 90 }; |
| 94 class CFX_GrowOnlyPool : public CFX_Object | 91 #endif // __cplusplus |
| 95 { | 92 #endif // _FX_MEMORY_H_ |
| 96 public: | |
| 97 | |
| 98 CFX_GrowOnlyPool(size_t trunk_size = 16384); | |
| 99 | |
| 100 ~CFX_GrowOnlyPool(); | |
| 101 | |
| 102 void» SetTrunkSize(size_t trunk_size) | |
| 103 { | |
| 104 m_TrunkSize = trunk_size; | |
| 105 } | |
| 106 | |
| 107 void*» AllocDebug(size_t size, FX_LPCSTR file, int line) | |
| 108 { | |
| 109 return Alloc(size); | |
| 110 } | |
| 111 | |
| 112 void*» Alloc(size_t size); | |
| 113 | |
| 114 void*» ReallocDebug(void* p, size_t new_size, FX_LPCSTR file, int line) | |
| 115 { | |
| 116 return NULL; | |
| 117 } | |
| 118 | |
| 119 void*» Realloc(void* p, size_t new_size) | |
| 120 { | |
| 121 return NULL; | |
| 122 } | |
| 123 | |
| 124 void» Free(void*) {} | |
| 125 | |
| 126 void» FreeAll(); | |
| 127 private: | |
| 128 | |
| 129 size_t» m_TrunkSize; | |
| 130 | |
| 131 void*» m_pFirstTrunk; | |
| 132 }; | |
| 133 #endif | |
| 134 #endif | |
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