Fixed #2367 (false positive: (error) Uninitialized variable: s)

lib/checkuninitvar.cpp

@@ -578,7 +578,7 @@ private:
 
         if (Token::Match(&tok, "%var% (") && uvarFunctions.find(tok.str()) == uvarFunctions.end())
         {
-            if (Token::simpleMatch(&tok, "sizeof ("))
+            if (Token::Match(&tok, "sizeof|typeof ("))
                 return tok.next()->link();
 
             // deallocate pointer

test/testuninitvar.cpp

@@ -46,6 +46,7 @@ private:
         TEST_CASE(uninitvar_references); // references
         TEST_CASE(uninitvar_strncpy);   // strncpy doesn't always 0-terminate
         TEST_CASE(uninitvar_func);      // analyse functions
+        TEST_CASE(uninitvar_typeof);    // typeof
     }
 
     void checkUninitVar(const char code[])
@@ -1391,6 +1392,15 @@ private:
                        "}\n");
         ASSERT_EQUALS("", errout.str());
     }
+
+    void uninitvar_typeof()
+    {
+        checkUninitVar("void f() {\n"
+                       "    struct Fred *fred;\n"
+                       "    typeof(fred->x);\n"
+                       "}\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 REGISTER_TEST(TestUninitVar)