Fix FP leakNoVarFunctionCall with unknown function (#4242)

* Fix #10857 FN: leakNoVarFunctionCall

* Fix TODO

* Fix #10858 FN: leakNoVarFunctionCall (if ( b && malloc ) )

* #11155 FN: leakNoVarFunctionCall (ternary operator)

* Fix #11157 FN: leakNoVarFunctionCall (switch condition)

* Fix FN constStatement

* Fix FP leakNoVarFunctionCall

* Fix FP leakNoVarFunctionCall

* Format

* Fix FP leakNoVarFunctionCall with unknown function

Author: chrchr-github

lib/checkmemoryleak.cpp

@@ -1011,6 +1011,8 @@ void CheckMemoryLeakNoVar::checkForUnreleasedInputArgument(const Scope *scope)
             functionName == "return")
             continue;
 
+        if (!tok->isKeyword() && mSettings->library.isNotLibraryFunction(tok))
+            continue;
         if (!CheckMemoryLeakInFunction::test_white_list(functionName, mSettings, mTokenizer->isCPP()))
             continue;
 

test/testmemleak.cpp

@@ -2415,6 +2415,18 @@ class TestMemleakNoVar : public TestFixture {
               "    return *strings_.insert(it, std::strcpy(new char[std::strlen(s) + 1], s));\n"
               "}\n");
         ASSERT_EQUALS("", errout.str());
+
+        check("struct S {\n"
+              "    static void load(const QString & projPath) {\n"
+              "        if (proj_)\n"
+              "            return;\n"
+              "        proj_ = new ProjectT(projPath);\n"
+              "        proj_->open(new OpenCallback());\n"
+              "    }\n"
+              "private:\n"
+              "    static Core::ProjectBase* proj_;\n"
+              "};\n");
+        ASSERT_EQUALS("", errout.str());
     }
 
     void missingAssignment() {