Get rid of NULLs in core/

core/fxcrt/fxcrt_windows.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 "core/fxcrt/fxcrt_windows.h"
 
 #include "core/fxcrt/include/fx_string.h"
 
@@ skipping 34 matching lines @@
 }
 FX_BOOL CFXCRT_FileAccess_Win64::Open(const CFX_ByteStringC& fileName,
                                       uint32_t dwMode) {
   if (m_hFile) {
     return FALSE;
   }
   uint32_t dwAccess, dwShare, dwCreation;
   FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
   m_hFile = ::CreateFileA(fileName.c_str(), dwAccess, dwShare, NULL, dwCreation,
                           FILE_ATTRIBUTE_NORMAL, NULL);
-  if (m_hFile == INVALID_HANDLE_VALUE) {
+  if (m_hFile == INVALID_HANDLE_VALUE)
     m_hFile = NULL;
-  }
-  return m_hFile != NULL;
+  return !!m_hFile;
 }
 FX_BOOL CFXCRT_FileAccess_Win64::Open(const CFX_WideStringC& fileName,
                                       uint32_t dwMode) {
   if (m_hFile) {
     return FALSE;
   }
   uint32_t dwAccess, dwShare, dwCreation;
   FXCRT_Windows_GetFileMode(dwMode, dwAccess, dwShare, dwCreation);
   m_hFile = ::CreateFileW((LPCWSTR)fileName.c_str(), dwAccess, dwShare, NULL,
                           dwCreation, FILE_ATTRIBUTE_NORMAL, NULL);
-  if (m_hFile == INVALID_HANDLE_VALUE) {
+  if (m_hFile == INVALID_HANDLE_VALUE)
     m_hFile = NULL;
-  }
-  return m_hFile != NULL;
+  return !!m_hFile;
 }
 void CFXCRT_FileAccess_Win64::Close() {
   if (!m_hFile) {
     return;
   }
   ::CloseHandle(m_hFile);
   m_hFile = NULL;
 }
 FX_FILESIZE CFXCRT_FileAccess_Win64::GetSize() const {
   if (!m_hFile) {
@@ skipping 80 matching lines @@
   }
   return ::FlushFileBuffers(m_hFile);
 }
 FX_BOOL CFXCRT_FileAccess_Win64::Truncate(FX_FILESIZE szFile) {
   if (SetPosition(szFile) == (FX_FILESIZE)-1) {
     return FALSE;
   }
   return ::SetEndOfFile(m_hFile);
 }
 #endif