"NULL !=" = NULL

src/utils/SkLua.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.
  */
 
 #include "SkLua.h"
 
 #if SK_SUPPORT_GPU
@@ skipping 299 matching lines @@
             return "replace";
     }
     return "unknown";
 }
 
 void SkLua::pushClipStack(const SkClipStack& stack, const char* key) {
     lua_newtable(fL);
     SkClipStack::B2TIter iter(stack);
     const SkClipStack::Element* element;
     int i = 0;
-    while (NULL != (element = iter.next())) {
+    while ((element = iter.next())) {
         this->pushClipStackElement(*element);
         lua_rawseti(fL, -2, ++i);
     }
     CHECK_SETFIELD(key);
 }
 
 void SkLua::pushClipStackElement(const SkClipStack::Element& element, const char* key) {
     lua_newtable(fL);
     SkClipStack::Element::Type type = element.getType();
     this->pushString(element_type(type), "type");
@@ skipping 183 matching lines @@
                                    queryBounds,
                                    &elements,
                                    &genID,
                                    &initialState,
                                    &resultBounds,
                                    NULL);
 
     GrReducedClip::ElementList::Iter iter(elements);
     int i = 0;
     lua_newtable(L);
-    while(NULL != iter.get()) {
+    while(iter.get()) {
         SkLua(L).pushClipStackElement(*iter.get());
         iter.next();
         lua_rawseti(L, -2, ++i);
     }
     // Currently this only returns the element list to lua, not the initial state or result bounds.
     // It could return these as additional items on the lua stack.
     return 1;
 #else
     return 0;
 #endif
@@ skipping 972 matching lines @@
     REG_CLASS(L, SkShader);
     REG_CLASS(L, SkTypeface);
     REG_CLASS(L, SkMatrix);
 }
 
 extern "C" int luaopen_skia(lua_State* L);
 extern "C" int luaopen_skia(lua_State* L) {
     SkLua::Load(L);
     return 0;
 }