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
19 // PR5521
20 struct A { void a(const char*,...) __attribute((format(printf,2,3))); };
b(A x)21 void b(A x) {
22 x.a("%d", 3);
23 }
24
25 // PR8625: correctly interpret static member calls as not having an implicit
26 // 'this' argument.
27 namespace PR8625 {
28 struct S {
29 static void f(const char*, const char*, ...)
30 __attribute__((format(printf, 2, 3)));
31 };
test(S s,const char * str)32 void test(S s, const char* str) {
33 s.f(str, "%s", str);
34 }
35 }
36