1// RUN: %clang_cc1 -fsyntax-only -Wformat-nonliteral -verify %s
2struct S {
3  static void f(const char*, ...) __attribute__((format(printf, 1, 2)));
4  static const char* f2(const char*) __attribute__((format_arg(1)));
5
6  // GCC has a hidden 'this' argument in member functions which is why
7  // the format argument is argument 2 here.
8  void g(const char*, ...) __attribute__((format(printf, 2, 3)));
9  const char* g2(const char*) __attribute__((format_arg(2)));
10
11  void h(const char*, ...) __attribute__((format(printf, 1, 4))); // \
12      expected-error{{implicit this argument as the format string}}
13  void h2(const char*, ...) __attribute__((format(printf, 2, 1))); // \
14      expected-error{{out of bounds}}
15  const char* h3(const char*) __attribute__((format_arg(1))); // \
16      expected-error{{invalid for the implicit this argument}}
17
18  void operator() (const char*, ...) __attribute__((format(printf, 2, 3)));
19};
20
21// PR5521
22struct A { void a(const char*,...) __attribute((format(printf,2,3))); };
23void b(A x) {
24  x.a("%d", 3);
25}
26
27// PR8625: correctly interpret static member calls as not having an implicit
28// 'this' argument.
29namespace PR8625 {
30  struct S {
31    static void f(const char*, const char*, ...)
32      __attribute__((format(printf, 2, 3)));
33  };
34  void test(S s, const char* str) {
35    s.f(str, "%s", str);
36  }
37}
38
39// Make sure we interpret member operator calls as having an implicit
40// this argument.
41void test_operator_call(S s, const char* str) {
42  s("%s", str);
43}
44