Fix garbled text when loading linearized pdf document

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp

 // 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
 
 #include "../../../include/fpdfapi/fpdf_parser.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../../third_party/numerics/safe_math.h"
@@ skipping 1632 matching lines @@
         CPDF_StreamAcc* pStream;
         m_ObjectStreamMap.GetNextAssoc(pos, objnum, (void*&)pStream);
         delete pStream;
     }
     m_ObjectStreamMap.RemoveAll();
     if (!LoadLinearizedAllCrossRefV4(m_LastXRefOffset, m_dwXrefStartObjNum) && !LoadLinearizedAllCrossRefV5(m_LastXRefOffset)) {
         m_LastXRefOffset = 0;
         m_Syntax.m_MetadataObjnum = dwSaveMetadataObjnum;
         return PDFPARSE_ERROR_FORMAT;
     }
-    FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(), sizeof(FX_DWORD), _CompareDWord);
+    FXSYS_qsort(m_SortedOffset.GetData(), m_SortedOffset.GetSize(), sizeof(FX_FILESIZE), _CompareDWord);

[Lei Zhang, 2014/07/17 23:05:19]

Wouldn't you want _CompareDWord() to be _CompareFileSize() ?

[Bo Xu, 2014/07/17 23:13:17]

That's right! Change made.

     m_Syntax.m_MetadataObjnum = dwSaveMetadataObjnum;
     return PDFPARSE_ERROR_SUCCESS;
 }
 CPDF_SyntaxParser::CPDF_SyntaxParser()
 {
     m_pFileAccess = NULL;
     m_pCryptoHandler = NULL;
     m_pFileBuf = NULL;
     m_BufSize = CPDF_ModuleMgr::Get()->m_FileBufSize;
     m_pFileBuf = NULL;
@@ skipping 2720 matching lines @@
 {
     FX_INT32 iSize = m_childNode.GetSize();
     for (FX_INT32 i = 0; i < iSize; ++i) {
         CPDF_PageNode *pNode = (CPDF_PageNode*)m_childNode[i];
         if (pNode) {
             delete pNode;
         }
     }
     m_childNode.RemoveAll();
 }