Style Change: NULL->nullptr

tools/skdiff_image.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "skdiff.h"
 #include "skdiff_utils.h"
 #include "SkBitmap.h"
 #include "SkData.h"
@@ skipping 26 matching lines @@
     drp->fComparison.fStatus = DiffResource::kSpecified_Status;
 
     SkAutoDataUnref baseFileBits(read_file(drp->fBase.fFullPath.c_str()));
     if (baseFileBits) {
         drp->fBase.fStatus = DiffResource::kRead_Status;
     }
     SkAutoDataUnref comparisonFileBits(read_file(drp->fComparison.fFullPath.c_str()));
     if (comparisonFileBits) {
         drp->fComparison.fStatus = DiffResource::kRead_Status;
     }
-    if (NULL == baseFileBits || NULL == comparisonFileBits) {
-        if (NULL == baseFileBits) {
+    if (nullptr == baseFileBits || nullptr == comparisonFileBits) {
+        if (nullptr == baseFileBits) {
             drp->fBase.fStatus = DiffResource::kCouldNotRead_Status;
         }
-        if (NULL == comparisonFileBits) {
+        if (nullptr == comparisonFileBits) {
             drp->fComparison.fStatus = DiffResource::kCouldNotRead_Status;
         }
         drp->fResult = DiffRecord::kCouldNotCompare_Result;
         return;
     }
 
     if (are_buffers_equal(baseFileBits, comparisonFileBits)) {
         drp->fResult = DiffRecord::kEqualBits_Result;
         return;
     }
@@ skipping 245 matching lines @@
     // Considering the above, skimagediff will consider the contents of a -L parameter as
     //     <filename>(\t<specifier>)?
     SkString outputFile;
 
     if (baseLabel.isEmpty()) {
         baseLabel.set(baseFile);
         outputFile = baseLabel;
     } else {
         const char* baseLabelCstr = baseLabel.c_str();
         const char* tab = strchr(baseLabelCstr, '\t');
-        if (NULL == tab) {
+        if (nullptr == tab) {
             outputFile = baseLabel;
         } else {
             outputFile.set(baseLabelCstr, tab - baseLabelCstr);
         }
     }
     if (comparisonLabel.isEmpty()) {
         comparisonLabel.set(comparisonFile);
     }
     printf("Base:       %s\n", baseLabel.c_str());
     printf("Comparison: %s\n", comparisonLabel.c_str());
@@ skipping 40 matching lines @@
     }
 
     return num_failing_results;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif