// RUN: %clang_cc1 -fsyntax-only -verify -pedantic -std=c++11 %s extern "C" { extern int scanf(const char *restrict, ...); extern int printf(const char *restrict, ...); } void f(char **sp, float *fp) { scanf("%as", sp); // expected-warning{{format specifies type 'float *' but the argument has type 'char **'}} printf("%p", sp); // expected-warning{{format specifies type 'void *' but the argument has type 'char **'}} scanf("%p", sp); // expected-warning{{format specifies type 'void **' but the argument has type 'char **'}} printf("%a", 1.0); scanf("%afoobar", fp); printf(nullptr); printf(*sp); // expected-warning {{not a string literal}} // PR13099 printf( R"foobar(%)foobar" R"bazquux(d)bazquux" // expected-warning {{more '%' conversions than data arguments}} R"xyzzy()xyzzy"); printf(u8"this is %d test", 0); // ok printf(u8R"foo( \u1234\U0010fffe %d)foo" // expected-warning {{more '%' conversions than data arguments}} ); printf("init list: %d", { 0 }); // expected-error {{cannot pass initializer list to variadic function; expected type from format string was 'int'}} printf("void: %d", f(sp, fp)); // expected-error {{cannot pass expression of type 'void' to variadic function; expected type from format string was 'int'}} printf(0, { 0 }); // expected-error {{cannot pass initializer list to variadic function}} }