Get rid of NULLs in xfa/fxbarcode/

xfa/fxbarcode/qrcode/BC_QRCoderVersion.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
 // Original code is licensed as follows:
 /*
  * Copyright 2007 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 336 matching lines @@
 }
 CBC_QRCoderECBlocks* CBC_QRCoderVersion::GetECBlocksForLevel(
     CBC_QRCoderErrorCorrectionLevel* ecLevel) {
   return m_ecBlocksArray[ecLevel->Ordinal()];
 }
 CBC_QRCoderVersion* CBC_QRCoderVersion::GetProvisionalVersionForDimension(
     int32_t dimension,
     int32_t& e) {
   if ((dimension % 4) != 1) {
     e = BCExceptionRead;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   }
   CBC_QRCoderVersion* qcv = GetVersionForNumber((dimension - 17) >> 2, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   return qcv;
 }
 CBC_QRCoderVersion* CBC_QRCoderVersion::DecodeVersionInformation(
     int32_t versionBits,
     int32_t& e) {
   int32_t bestDifference = FXSYS_IntMax;
   int32_t bestVersion = 0;
   for (int32_t i = 0; i < 34; i++) {
     int32_t targetVersion = VERSION_DECODE_INFO[i];
     if (targetVersion == versionBits) {
       CBC_QRCoderVersion* qcv = GetVersionForNumber(i + 7, e);
-      BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
       return qcv;
     }
     int32_t bitsDifference = CBC_QRCoderFormatInformation::NumBitsDiffering(
         versionBits, targetVersion);
     if (bitsDifference < bestDifference) {
       bestVersion = i + 7;
       bestDifference = bitsDifference;
     }
   }
   if (bestDifference <= 3) {
     CBC_QRCoderVersion* qcv = GetVersionForNumber(bestVersion, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
     return qcv;
   }
-  return NULL;
+  return nullptr;
 }
 CBC_CommonBitMatrix* CBC_QRCoderVersion::BuildFunctionPattern(int32_t& e) {
   int32_t dimension = GetDimensionForVersion();
   CBC_CommonBitMatrix* bitMatrix = new CBC_CommonBitMatrix();
   bitMatrix->Init(dimension);
   bitMatrix->SetRegion(0, 0, 9, 9, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   bitMatrix->SetRegion(dimension - 8, 0, 8, 9, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   bitMatrix->SetRegion(0, dimension - 8, 9, 8, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   int32_t max = m_alignmentPatternCenters.GetSize();
   for (int32_t x = 0; x < max; x++) {
     int32_t i = m_alignmentPatternCenters[x] - 2;
     for (int32_t y = 0; y < max; y++) {
       if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) {
         continue;
       }
       bitMatrix->SetRegion(m_alignmentPatternCenters[y] - 2, i, 5, 5, e);
-      BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+      BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
     }
   }
   bitMatrix->SetRegion(6, 9, 1, dimension - 17, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   bitMatrix->SetRegion(9, 6, dimension - 17, 1, e);
-  BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+  BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   if (m_versionNumber > 6) {
     bitMatrix->SetRegion(dimension - 11, 0, 3, 6, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
     bitMatrix->SetRegion(0, dimension - 11, 6, 3, e);
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   }
   return bitMatrix;
 }
 CBC_QRCoderVersion* CBC_QRCoderVersion::GetVersionForNumber(
     int32_t versionNumber,
     int32_t& e) {
   if (VERSION->GetSize() == 0) {
     VERSION->Add(new CBC_QRCoderVersion(
         1, new CBC_QRCoderECBlocks(7, new CBC_QRCoderECB(1, 19)),
         new CBC_QRCoderECBlocks(10, new CBC_QRCoderECB(1, 16)),
@@ skipping 318 matching lines @@
                                     new CBC_QRCoderECB(6, 119)),
         new CBC_QRCoderECBlocks(28, new CBC_QRCoderECB(18, 47),
                                 new CBC_QRCoderECB(31, 48)),
         new CBC_QRCoderECBlocks(30, new CBC_QRCoderECB(34, 24),
                                 new CBC_QRCoderECB(34, 25)),
         new CBC_QRCoderECBlocks(30, new CBC_QRCoderECB(20, 15),
                                 new CBC_QRCoderECB(61, 16))));
   }
   if (versionNumber < 1 || versionNumber > 40) {
     e = BCExceptionIllegalArgument;
-    BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
+    BC_EXCEPTION_CHECK_ReturnValue(e, nullptr);
   }
   return (*VERSION)[versionNumber - 1];
 }
 
 void CBC_QRCoderVersion::Destroy() {
   for (int32_t i = 0; i < VERSION->GetSize(); i++)
     delete (*VERSION)[i];
   VERSION->RemoveAll();
 }