Use initializer list in CPDF_DataAvail ctor.

Or initialize members in the header. Also make m_dwFileLen member const.

Change-Id: Iaaeab9a93e18e4ab313437362c0012d729b01647
Reviewed-on: https://pdfium-review.googlesource.com/9970
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

2 files changed, 23 insertions, 40 deletions

diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp
index e72d7cdb19..af80fd96ab 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_data_avail.cpp
@@ -79,28 +79,11 @@ CPDF_DataAvail::CPDF_DataAvail(
     FileAvail* pFileAvail,
     const RetainPtr<IFX_SeekableReadStream>& pFileRead,
     bool bSupportHintTable)
-    : m_pFileAvail(pFileAvail) {
-  ASSERT(pFileRead);
-  m_pFileRead = pdfium::MakeRetain<CPDF_ReadValidator>(pFileRead, m_pFileAvail);
-  m_dwFileLen = m_pFileRead->GetSize();
-  m_PagesObjNum = 0;
-  m_dwInfoObjNum = 0;
-  m_pDocument = 0;
-  m_dwEncryptObjNum = 0;
-  m_bDocAvail = false;
-  m_bMainXRefLoadTried = false;
-  m_bDocAvail = false;
-  m_bPagesLoad = false;
-  m_bPagesTreeLoad = false;
-  m_bMainXRefLoadedOK = false;
-  m_pCurrentParser = nullptr;
-  m_docStatus = PDF_DATAAVAIL_HEADER;
-  m_bTotalLoadPageTree = false;
-  m_bCurPageDictLoadOK = false;
-  m_bLinearedDataOK = false;
-  m_bSupportHintTable = bSupportHintTable;
-  m_bHeaderAvail = false;
-}
+    : m_pFileAvail(pFileAvail),
+      m_pFileRead(
+          pdfium::MakeRetain<CPDF_ReadValidator>(pFileRead, m_pFileAvail)),
+      m_dwFileLen(m_pFileRead->GetSize()),
+      m_bSupportHintTable(bSupportHintTable) {}
 
 CPDF_DataAvail::~CPDF_DataAvail() {
   m_pHintTables.reset();
diff --git a/core/fpdfapi/parser/cpdf_data_avail.h b/core/fpdfapi/parser/cpdf_data_avail.h
index 001bf2280f..dfb1f0cabf 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.h
+++ b/core/fpdfapi/parser/cpdf_data_avail.h
@@ -168,37 +168,37 @@ class CPDF_DataAvail final {
   RetainPtr<CPDF_ReadValidator> m_pFileRead;
   CPDF_Parser m_parser;
   std::unique_ptr<CPDF_Object> m_pRoot;
-  uint32_t m_dwRootObjNum;
-  uint32_t m_dwInfoObjNum;
+  uint32_t m_dwRootObjNum = 0;
+  uint32_t m_dwInfoObjNum = 0;
   std::unique_ptr<CPDF_LinearizedHeader> m_pLinearized;
-  bool m_bDocAvail;
+  bool m_bDocAvail = false;
   std::unique_ptr<CPDF_CrossRefAvail> m_pCrossRefAvail;
-  PDF_DATAAVAIL_STATUS m_docStatus;
-  FX_FILESIZE m_dwFileLen;
-  CPDF_Document* m_pDocument;
+  PDF_DATAAVAIL_STATUS m_docStatus = PDF_DATAAVAIL_HEADER;
+  const FX_FILESIZE m_dwFileLen;
+  CPDF_Document* m_pDocument = nullptr;
   std::vector<uint32_t> m_PageObjList;
-  uint32_t m_PagesObjNum;
-  bool m_bLinearedDataOK;
-  bool m_bMainXRefLoadTried;
-  bool m_bMainXRefLoadedOK;
-  bool m_bPagesTreeLoad;
-  bool m_bPagesLoad;
-  CPDF_Parser* m_pCurrentParser;
+  uint32_t m_PagesObjNum = 0;
+  bool m_bLinearedDataOK = false;
+  bool m_bMainXRefLoadTried = false;
+  bool m_bMainXRefLoadedOK = false;
+  bool m_bPagesTreeLoad = false;
+  bool m_bPagesLoad = false;
+  CPDF_Parser* m_pCurrentParser = nullptr;
   std::unique_ptr<CPDF_PageObjectAvail> m_pFormAvail;
   std::vector<std::unique_ptr<CPDF_Object>> m_PagesArray;
-  uint32_t m_dwEncryptObjNum;
-  bool m_bTotalLoadPageTree;
-  bool m_bCurPageDictLoadOK;
+  uint32_t m_dwEncryptObjNum = 0;
+  bool m_bTotalLoadPageTree = false;
+  bool m_bCurPageDictLoadOK = false;
   PageNode m_PageNode;
   std::set<uint32_t> m_pageMapCheckState;
   std::set<uint32_t> m_pagesLoadState;
   std::set<uint32_t> m_SeenPrevPositions;
   std::unique_ptr<CPDF_HintTables> m_pHintTables;
-  bool m_bSupportHintTable;
+  const bool m_bSupportHintTable;
   std::map<uint32_t, std::unique_ptr<CPDF_PageObjectAvail>> m_PagesObjAvail;
   std::map<const CPDF_Object*, std::unique_ptr<CPDF_PageObjectAvail>>
       m_PagesResourcesAvail;
-  bool m_bHeaderAvail;
+  bool m_bHeaderAvail = false;
 };
 
 #endif  // CORE_FPDFAPI_PARSER_CPDF_DATA_AVAIL_H_