32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
// 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("%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}}
|
|
}
|