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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 #include "../../include/fxcrt/fx_basic.h" | 7 #include "../../include/fxcrt/fx_basic.h" |
8 #include "../../../third_party/base/numerics/safe_math.h" | 8 #include "../../../third_party/base/numerics/safe_math.h" |
9 | 9 |
10 CFX_BasicArray::CFX_BasicArray(int unit_size) | 10 CFX_BasicArray::CFX_BasicArray(int unit_size) |
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182 _ClearIndex(m_IndexDepth, m_IndexSize, (void**)m_pIndex); | 182 _ClearIndex(m_IndexDepth, m_IndexSize, (void**)m_pIndex); |
183 m_pIndex = NULL; | 183 m_pIndex = NULL; |
184 m_IndexDepth = 0; | 184 m_IndexDepth = 0; |
185 m_DataSize = 0; | 185 m_DataSize = 0; |
186 } | 186 } |
187 void* CFX_BaseSegmentedArray::Add() | 187 void* CFX_BaseSegmentedArray::Add() |
188 { | 188 { |
189 if (m_DataSize % m_SegmentSize) { | 189 if (m_DataSize % m_SegmentSize) { |
190 return GetAt(m_DataSize ++); | 190 return GetAt(m_DataSize ++); |
191 } | 191 } |
192 void* pSegment = FX_Alloc(FX_BYTE, m_UnitSize * m_SegmentSize); | 192 void* pSegment = FX_Alloc2D(FX_BYTE, m_UnitSize, m_SegmentSize); |
193 if (!pSegment) { | |
194 return NULL; | |
195 } | |
196 if (m_pIndex == NULL) { | 193 if (m_pIndex == NULL) { |
197 m_pIndex = pSegment; | 194 m_pIndex = pSegment; |
198 m_DataSize ++; | 195 m_DataSize ++; |
199 return pSegment; | 196 return pSegment; |
200 } | 197 } |
201 if (m_IndexDepth == 0) { | 198 if (m_IndexDepth == 0) { |
202 void** pIndex = (void**)FX_Alloc(void*, m_IndexSize); | 199 void** pIndex = (void**)FX_Alloc(void*, m_IndexSize); |
203 if (pIndex == NULL) { | 200 if (pIndex == NULL) { |
204 FX_Free(pSegment); | 201 FX_Free(pSegment); |
205 return NULL; | 202 return NULL; |
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348 FX_Free(pIndex[i % m_IndexSize]); | 345 FX_Free(pIndex[i % m_IndexSize]); |
349 pIndex[i % m_IndexSize] = NULL; | 346 pIndex[i % m_IndexSize] = NULL; |
350 } | 347 } |
351 } else { | 348 } else { |
352 FX_Free(m_pIndex); | 349 FX_Free(m_pIndex); |
353 m_pIndex = NULL; | 350 m_pIndex = NULL; |
354 } | 351 } |
355 } | 352 } |
356 m_DataSize -= count; | 353 m_DataSize -= count; |
357 } | 354 } |
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