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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 "public/fpdfview.h" | 7 #include "public/fpdfview.h" |
8 | 8 |
9 #include <memory> | 9 #include <memory> |
10 #include <utility> | 10 #include <utility> |
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1097 | 1097 |
1098 pdfium::base::CheckedNumeric<int> checked_count = count; | 1098 pdfium::base::CheckedNumeric<int> checked_count = count; |
1099 checked_count += pDest->GetCount(); | 1099 checked_count += pDest->GetCount(); |
1100 if (!checked_count.IsValid() || index >= checked_count.ValueOrDie()) | 1100 if (!checked_count.IsValid() || index >= checked_count.ValueOrDie()) |
1101 return nullptr; | 1101 return nullptr; |
1102 | 1102 |
1103 index -= count; | 1103 index -= count; |
1104 int i = 0; | 1104 int i = 0; |
1105 for (const auto& it : *pDest) { | 1105 for (const auto& it : *pDest) { |
1106 bsName = it.first; | 1106 bsName = it.first; |
1107 pDestObj = it.second.get(); | 1107 pDestObj = it.second; |
1108 if (!pDestObj) | 1108 if (!pDestObj) |
1109 continue; | 1109 continue; |
1110 if (i == index) | 1110 if (i == index) |
1111 break; | 1111 break; |
1112 i++; | 1112 i++; |
1113 } | 1113 } |
1114 } else { | 1114 } else { |
1115 pDestObj = nameTree.LookupValue(index, bsName); | 1115 pDestObj = nameTree.LookupValue(index, bsName); |
1116 } | 1116 } |
1117 if (!pDestObj) | 1117 if (!pDestObj) |
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1130 if (!buffer) { | 1130 if (!buffer) { |
1131 *buflen = len; | 1131 *buflen = len; |
1132 } else if (*buflen >= len) { | 1132 } else if (*buflen >= len) { |
1133 memcpy(buffer, utf16Name.c_str(), len); | 1133 memcpy(buffer, utf16Name.c_str(), len); |
1134 *buflen = len; | 1134 *buflen = len; |
1135 } else { | 1135 } else { |
1136 *buflen = -1; | 1136 *buflen = -1; |
1137 } | 1137 } |
1138 return (FPDF_DEST)pDestObj; | 1138 return (FPDF_DEST)pDestObj; |
1139 } | 1139 } |
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