| 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 | |