"NULL !=" = NULL

tools/skpdiff/skpdiff_util.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX || SK_BUILD_FOR_ANDROID
 #   include <unistd.h>
 #   include <sys/time.h>
@@ skipping 156 matching lines @@
 #if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX
     // TODO Make sure this works on windows. This may require use of FindNextFile windows function.
     glob_t globBuffer;
     if (glob(globPattern, 0, NULL, &globBuffer) != 0) {
         return false;
     }
 
     // Note these paths are in sorted order by default according to http://linux.die.net/man/3/glob
     // Check under the flag GLOB_NOSORT
     char** paths = globBuffer.gl_pathv;
-    while(NULL != *paths) {
+    while(*paths) {
         entries->push_back(SkString(*paths));
         paths++;
     }
 
     globfree(&globBuffer);
 
     return true;
 #else
     return false;
 #endif
 }
 
 SkString get_absolute_path(const SkString& path) {
 #if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX || SK_BUILD_FOR_ANDROID
     SkString fullPath(PATH_MAX + 1);
     if (realpath(path.c_str(), fullPath.writable_str()) == NULL) {
         fullPath.reset();
     }
     return fullPath;
 #elif SK_BUILD_FOR_WIN32
     SkString fullPath(MAX_PATH);
     if (_fullpath(fullPath.writable_str(), path.c_str(), MAX_PATH) == NULL) {
         fullPath.reset();
     }
     return fullPath;
 #else
     return SkString();
 #endif
 }