1 // RUN: %clang_cc1 -fsyntax-only -Wformat-nonliteral -verify %s
2 struct 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
22 struct A { void a(const char*,...) __attribute((format(printf,2,3))); };
b(A x)23 void 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.
29 namespace PR8625 {
30 struct S {
31 static void f(const char*, const char*, ...)
32 __attribute__((format(printf, 2, 3)));
33 };
test(S s,const char * str)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.
test_operator_call(S s,const char * str)41 void test_operator_call(S s, const char* str) {
42 s("%s", str);
43 }
44