clang/test/SemaCXX/attr-sentinel.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s
   2
   3 void f(int, ...) __attribute__((sentinel));
   4
   5 void g() {
   6   f(1, 2, __null);
   7 }
   8
   9 typedef __typeof__(sizeof(int)) size_t;
  10
  11 struct S {
  12   S(int,...) __attribute__((sentinel)); // expected-note {{marked sentinel}}
  13   void a(int,...) __attribute__((sentinel)); // expected-note {{marked sentinel}}
  14   void* operator new(size_t,...) __attribute__((sentinel)); // expected-note {{marked sentinel}}
  15   void operator()(int,...) __attribute__((sentinel)); // expected-note {{marked sentinel}}
  16 };
  17
  18 void class_test() {
  19   S s(1,2,3); // expected-warning {{missing sentinel in function call}}
  20   S* s2 = new (1,2,3) S(1, __null); // expected-warning {{missing sentinel in function call}}
  21   s2->a(1,2,3); // expected-warning {{missing sentinel in function call}}
  22   s(1,2,3); // expected-warning {{missing sentinel in function call}}
  23 }