1 | // RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs |
2 | // RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs -std=c++98 |
3 | // RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs -std=c++11 |
4 | |
5 | int (^block) (int, const char *,...) __attribute__((__format__(__printf__,2,3))) = ^ __attribute__((__format__(__printf__,2,3))) (int arg, const char *format,...) {return 5;}; |
6 | |
7 | class HasNoCStr { |
8 | const char *str; |
9 | public: |
10 | HasNoCStr(const char *s): str(s) { } |
11 | const char *not_c_str() {return str;} |
12 | }; |
13 | |
14 | void test_block() { |
15 | const char str[] = "test"; |
16 | HasNoCStr hncs(str); |
17 | int n = 4; |
18 | block(n, "%s %d", str, n); // no-warning |
19 | block(n, "%s %s", hncs, n); |
20 | #if __cplusplus <= 199711L // C++03 or earlier modes |
21 | // expected-warning@-2{{cannot pass non-POD object of type 'HasNoCStr' to variadic block; expected type from format string was 'char *'}} |
22 | #else |
23 | // expected-warning@-4{{format specifies type 'char *' but the argument has type 'HasNoCStr'}} |
24 | #endif |
25 | // expected-warning@-6{{format specifies type 'char *' but the argument has type 'int'}} |
26 | } |
27 | |