Fix and tests for #7622, #10381, #10382 (#3588)

* Add test cases for #10381, #10382

* Fix #7622

* Format

lib/checkleakautovar.cpp

@@ -859,11 +859,18 @@ void CheckLeakAutoVar::functionCall(const Token *tokName, const Token *tokOpenin
     int argNr = 1;
     for (const Token *funcArg = tokFirstArg; funcArg; funcArg = funcArg->nextArgument()) {
         const Token* arg = funcArg;
-        if (mTokenizer->isCPP() && arg->str() == "new") {
+        if (mTokenizer->isCPP()) {
-            arg = arg->next();
+            int tokAdvance = 0;
+            if (arg->str() == "new")
+                tokAdvance = 1;
+            else if (Token::simpleMatch(arg, "* new"))
+                tokAdvance = 2;
+            if (tokAdvance > 0) {
+                arg = arg->tokAt(tokAdvance);
                 if (Token::simpleMatch(arg, "( std :: nothrow )"))
                     arg = arg->tokAt(5);
             }
+        }
 
         // Skip casts
         while (arg && arg->isCast())

test/testleakautovar.cpp

@@ -471,6 +471,12 @@ private:
               "    TestType *tt = new TestType();\n"
               "}", true);
         ASSERT_EQUALS("[test.cpp:7]: (error) Memory leak: tt\n", errout.str());
+
+        check("void f(Bar& b) {\n" // #7622
+              "    char* data = new char[10];\n"
+              "    b = Bar(*new Foo(data));\n"
+              "}", /*cpp*/ true);
+        ASSERT_EQUALS("[test.cpp:4]: (information) --check-library: Function Foo() should have <use>/<leak-ignore> configuration\n", errout.str());
     }
 
     void realloc1() {

test/testmemleak.cpp

@@ -1685,6 +1685,7 @@ private:
         TEST_CASE(function2);   // #2848: Taking address in function
         TEST_CASE(function3);   // #3024: kernel list
         TEST_CASE(function4);   // #3038: Deallocating in function
+        TEST_CASE(function5);   // #10381, #10382
 
         // Handle if-else
         TEST_CASE(ifelse);
@@ -1920,6 +1921,22 @@ private:
         ASSERT_EQUALS("", errout.str());
     }
 
+    void function5() {
+        check("struct s f() {\n" // #10381
+              "    struct s s1;\n"
+              "    s1->x = malloc(1);\n"
+              "    return (s1);\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
+
+        check("struct nc_rpc nc_rpc_getconfig() {\n" // #13082
+              "    struct nc_rpc rpc;\n"
+              "    rpc->filter = malloc(1);\n"
+              "    return (nc_rpc)rpc;\n"
+              "}");
+        ASSERT_EQUALS("", errout.str());
+    }
+
     void ifelse() {
         check("static void foo()\n"
               "{\n"