"NULL !=" = NULL

tools/skdiff_main.cpp

 /*
  * Copyright 2011 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_html.h"
 #include "skdiff_utils.h"
 #include "SkBitmap.h"
@@ skipping 404 matching lines @@
 
             drp->fBase.fFilename = *baseFiles[i];
             drp->fBase.fFullPath = basePath;
             drp->fBase.fStatus = DiffResource::kExists_Status;
 
             drp->fComparison.fFilename = *comparisonFiles[j];
             drp->fComparison.fFullPath = comparisonPath;
             drp->fComparison.fStatus = DiffResource::kExists_Status;
 
             SkAutoDataUnref baseFileBits(read_file(drp->fBase.fFullPath.c_str()));
-            if (NULL != baseFileBits) {
+            if (baseFileBits) {
                 drp->fBase.fStatus = DiffResource::kRead_Status;
             }
             SkAutoDataUnref comparisonFileBits(read_file(drp->fComparison.fFullPath.c_str()));
-            if (NULL != comparisonFileBits) {
+            if (comparisonFileBits) {
                 drp->fComparison.fStatus = DiffResource::kRead_Status;
             }
             if (NULL == baseFileBits || NULL == comparisonFileBits) {
                 if (NULL == baseFileBits) {
                     drp->fBase.fStatus = DiffResource::kCouldNotRead_Status;
                     VERBOSE_STATUS("READ FAIL", ANSI_COLOR_RED, baseFiles[i]);
                 }
                 if (NULL == comparisonFileBits) {
                     drp->fComparison.fStatus = DiffResource::kCouldNotRead_Status;
                     VERBOSE_STATUS("READ FAIL", ANSI_COLOR_RED, comparisonFiles[j]);
@@ skipping 354 matching lines @@
     // range [0...255] are wrapped (mod 256).  Do the conversion ourselves, to
     // make sure that we only return 0 when there were no failures.
     return (num_failing_results > 255) ? 255 : num_failing_results;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif