Get rid of NULLs in core/

core/fxcodec/codec/fx_codec_jpeg.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 <setjmp.h>
 
 #include "core/fxcodec/codec/codec_int.h"
 #include "core/fxcodec/include/fx_codec.h"
@@ skipping 60 matching lines @@
 extern "C" {
 static void _error_do_nothing1(j_common_ptr cinfo, int) {}
 };
 extern "C" {
 static void _error_do_nothing2(j_common_ptr cinfo, char*) {}
 };
 
 #define JPEG_MARKER_ICC (JPEG_APP0 + 2)
 #define JPEG_MARKER_MAXSIZE 0xFFFF
 
-
 #ifdef PDF_ENABLE_XFA
 static void JpegLoadAttribute(struct jpeg_decompress_struct* pInfo,
                               CFX_DIBAttribute* pAttribute) {
-  if (!pInfo || !pAttribute)
+  if (!pAttribute)
     return;
 
   pAttribute->m_nXDPI = pInfo->X_density;
   pAttribute->m_nYDPI = pInfo->Y_density;
   pAttribute->m_wDPIUnit = pInfo->density_unit;
 }
 #endif  // PDF_ENABLE_XFA
 
 static bool JpegLoadInfo(const uint8_t* src_buf,
                          uint32_t src_size,
@@ skipping 75 matching lines @@
 
   FX_BOOL m_bInited;
   FX_BOOL m_bStarted;
   FX_BOOL m_bJpegTransform;
 
  protected:
   uint32_t m_nDefaultScaleDenom;
 };
 
 CCodec_JpegDecoder::CCodec_JpegDecoder() {
-  m_pScanlineBuf = NULL;
+  m_pScanlineBuf = nullptr;
   m_bStarted = FALSE;
   m_bInited = FALSE;
   FXSYS_memset(&cinfo, 0, sizeof(cinfo));
   FXSYS_memset(&jerr, 0, sizeof(jerr));
   FXSYS_memset(&src, 0, sizeof(src));
   m_nDefaultScaleDenom = 1;
 }
 
 CCodec_JpegDecoder::~CCodec_JpegDecoder() {
   FX_Free(m_pScanlineBuf);
@@ skipping 271 matching lines @@
   if (setjmp(ctx->m_JumpMark) == -1)
     return FALSE;
 
   int nlines = jpeg_read_scanlines(&ctx->m_Info, &dest_buf, 1);
   return nlines == 1;
 }
 
 uint32_t CCodec_JpegModule::GetAvailInput(FXJPEG_Context* ctx,
                                           uint8_t** avail_buf_ptr) {
   if (avail_buf_ptr) {
-    *avail_buf_ptr = NULL;
+    *avail_buf_ptr = nullptr;
     if (ctx->m_SrcMgr.bytes_in_buffer > 0) {
       *avail_buf_ptr = (uint8_t*)ctx->m_SrcMgr.next_input_byte;
     }
   }
   return (uint32_t)ctx->m_SrcMgr.bytes_in_buffer;
 }