Get rid of NULLs in core/

core/fxcodec/codec/fx_codec_jbig.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 <list>
 
 #include "core/fxcodec/codec/codec_int.h"
 #include "core/fxcodec/include/fx_codec.h"
@@ skipping 50 matching lines @@
 
 void* CCodec_Jbig2Module::CreateJbig2Context() {
   return new CCodec_Jbig2Context();
 }
 void CCodec_Jbig2Module::DestroyJbig2Context(void* pJbig2Content) {
   if (pJbig2Content) {
     CJBig2_Context::DestroyContext(
         ((CCodec_Jbig2Context*)pJbig2Content)->m_pContext);
     delete (CCodec_Jbig2Context*)pJbig2Content;
   }
-  pJbig2Content = NULL;
+  pJbig2Content = nullptr;
 }
 FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(
     void* pJbig2Context,
     std::unique_ptr<CFX_Deletable>* pContextHolder,
     uint32_t width,
     uint32_t height,
     CPDF_StreamAcc* src_stream,
     CPDF_StreamAcc* global_stream,
     uint8_t* dest_buf,
     uint32_t dest_pitch,
@@ skipping 16 matching lines @@
       global_stream, src_stream, pJBig2DocumentContext->GetSymbolDictCache(),
       pPause);
   if (!m_pJbig2Context->m_pContext) {
     return FXCODEC_STATUS_ERROR;
   }
   int ret = m_pJbig2Context->m_pContext->getFirstPage(dest_buf, width, height,
                                                       dest_pitch, pPause);
   if (m_pJbig2Context->m_pContext->GetProcessingStatus() ==
       FXCODEC_STATUS_DECODE_FINISH) {
     CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
-    m_pJbig2Context->m_pContext = NULL;
+    m_pJbig2Context->m_pContext = nullptr;
     if (ret != JBIG2_SUCCESS) {
       return FXCODEC_STATUS_ERROR;
     }
     int dword_size = height * dest_pitch / 4;
     uint32_t* dword_buf = (uint32_t*)dest_buf;
     for (int i = 0; i < dword_size; i++) {
       dword_buf[i] = ~dword_buf[i];
     }
     return FXCODEC_STATUS_DECODE_FINISH;
   }
   return m_pJbig2Context->m_pContext->GetProcessingStatus();
 }
 FXCODEC_STATUS CCodec_Jbig2Module::ContinueDecode(void* pJbig2Context,
                                                   IFX_Pause* pPause) {
   CCodec_Jbig2Context* m_pJbig2Context = (CCodec_Jbig2Context*)pJbig2Context;
   int ret = m_pJbig2Context->m_pContext->Continue(pPause);
   if (m_pJbig2Context->m_pContext->GetProcessingStatus() !=
       FXCODEC_STATUS_DECODE_FINISH) {
     return m_pJbig2Context->m_pContext->GetProcessingStatus();
   }
   CJBig2_Context::DestroyContext(m_pJbig2Context->m_pContext);
-  m_pJbig2Context->m_pContext = NULL;
+  m_pJbig2Context->m_pContext = nullptr;
   if (ret != JBIG2_SUCCESS) {
     return FXCODEC_STATUS_ERROR;
   }
   int dword_size =
       m_pJbig2Context->m_height * m_pJbig2Context->m_dest_pitch / 4;
   uint32_t* dword_buf = (uint32_t*)m_pJbig2Context->m_dest_buf;
   for (int i = 0; i < dword_size; i++) {
     dword_buf[i] = ~dword_buf[i];
   }
   return FXCODEC_STATUS_DECODE_FINISH;
 }