Fixed #511 (false positive, memory leak when using 'var = ({});')

src/checkmemoryleak.cpp

@@ -1647,6 +1647,15 @@ void CheckMemoryLeakInFunction::check()
         else if (tok->str() == "}")
             --indentlevel;
 
+        // Skip these weird blocks... "( { ... } )"
+        else if (Token::simpleMatch(tok, "( {"))
+        {
+            tok = tok->link();
+            if (!tok)
+                break;
+            continue;
+        }
+
         // In function..
         if (indentlevel == 0)
         {

test/testmemleak.cpp

@@ -287,6 +287,9 @@ private:
 
         TEST_CASE(pointer_to_pointer);
         TEST_CASE(dealloc_and_alloc_in_func);
+
+        // Unknown syntax
+        TEST_CASE(unknownSyntax1);
     }
 
 
@@ -2452,6 +2455,25 @@ private:
               "}\n");
         ASSERT_EQUALS("", errout.str());
     }
+
+
+    void unknownSyntax1()
+    {
+        // I don't know what this syntax means so cppcheck should bail out
+        check("void foo()\n"
+              "{\n"
+              "    void *sym = ( {\n"
+              "                 void *__ptr = malloc(100);\n"
+              "                 if(!__ptr && 100 != 0)\n"
+              "                 {\n"
+              "                     exit(1);\n"
+              "                 }\n"
+              "                 __ptr;\n"
+              "                } );\n"
+              "    free(sym);\n"
+              "}\n");
+        ASSERT_EQUALS("", errout.str());
+    }
 };
 
 static TestMemleakInFunction testMemleakInFunction;