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))); }; 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 }; 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. 41 void test_operator_call(S s, const char* str) { 42 s("%s", str); 43 } 44
