Get rid of NULLs in fpdfsdk/

fpdfsdk/fsdk_baseannot.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 <algorithm>
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
@@ skipping 536 matching lines @@
 
 void CPDFSDK_BAAnnot::DrawAppearance(CFX_RenderDevice* pDevice,
                                      const CFX_Matrix* pUser2Device,
                                      CPDF_Annot::AppearanceMode mode,
                                      const CPDF_RenderOptions* pOptions) {
   m_pAnnot->DrawAppearance(m_pPageView->GetPDFPage(), pDevice, pUser2Device,
                            mode, pOptions);
 }
 
 FX_BOOL CPDFSDK_BAAnnot::IsAppearanceValid() {
-  return m_pAnnot->GetAnnotDict()->GetDictBy("AP") != NULL;
+  return !!m_pAnnot->GetAnnotDict()->GetDictBy("AP");
 }
 
 FX_BOOL CPDFSDK_BAAnnot::IsAppearanceValid(CPDF_Annot::AppearanceMode mode) {
   CPDF_Dictionary* pAP = m_pAnnot->GetAnnotDict()->GetDictBy("AP");
   if (!pAP)
     return FALSE;
 
   // Choose the right sub-ap
   const FX_CHAR* ap_entry = "N";
   if (mode == CPDF_Annot::Down)
@@ skipping 339 matching lines @@
 FX_BOOL CPDFSDK_BAAnnot::IsXFAField() {
   return FALSE;
 }
 #endif  // PDF_ENABLE_XFA
 
 void CPDFSDK_BAAnnot::Annot_OnDraw(CFX_RenderDevice* pDevice,
                                    CFX_Matrix* pUser2Device,
                                    CPDF_RenderOptions* pOptions) {
   m_pAnnot->GetAPForm(m_pPageView->GetPDFPage(), CPDF_Annot::Normal);
   m_pAnnot->DrawAppearance(m_pPageView->GetPDFPage(), pDevice, pUser2Device,
-                           CPDF_Annot::Normal, NULL);
+                           CPDF_Annot::Normal, nullptr);
 }
 
 UnderlyingPageType* CPDFSDK_Annot::GetUnderlyingPage() {
 #ifdef PDF_ENABLE_XFA
   return GetPDFXFAPage();
 #else   // PDF_ENABLE_XFA
   return GetPDFPage();
 #endif  // PDF_ENABLE_XFA
 }
 
 CPDF_Page* CPDFSDK_Annot::GetPDFPage() {
   return m_pPageView ? m_pPageView->GetPDFPage() : nullptr;
 }
 
 #ifdef PDF_ENABLE_XFA
 CPDFXFA_Page* CPDFSDK_Annot::GetPDFXFAPage() {
   return m_pPageView ? m_pPageView->GetPDFXFAPage() : nullptr;
 }
 #endif  // PDF_ENABLE_XFA