Fixed #1426 (false positive: returning LPVOID can be const)

lib/checkclass.cpp

@@ -1489,6 +1489,10 @@ void CheckClass::checkConst()
                 if (Token::Match(tok2, "static|virtual"))
                     continue;
 
+                // don't warn if type is LP..
+                if (tok2->str().compare(0,2,"LP") == 0)
+                    continue;
+
                 // member function?
                 if (Token::Match(tok2, "%type% %var% (") ||
                     Token::Match(tok2, "%type% %type% %var% (") ||

test/testclass.cpp

@@ -90,6 +90,7 @@ private:
         TEST_CASE(constincdec);     // increment/decrement => non-const
         TEST_CASE(constReturnReference);
         TEST_CASE(constDelete);     // delete member variable => not const
+        TEST_CASE(constLPVOID);     // a function that returns LPVOID can't be const
     }
 
     // Check the operator Equal
@@ -1797,6 +1798,15 @@ private:
                    "};\n");
         ASSERT_EQUALS("", errout.str());
     }
+    
+    // A function that returns LPVOID can't be const
+    void constLPVOID()
+    {
+        checkConst("class Fred {\n"
+                   "    LPVOID a() { return 0; };\n"
+                   "};\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 REGISTER_TEST(TestClass)