| Fariborz Jahanian | 9f8f17c | 2009-05-15 20:49:33 +0000 | [diff] [blame] | 1 | // RUN: clang-cc -fblocks -fsyntax-only -verify %s |
| Fariborz Jahanian | daf0415 | 2009-05-15 20:33:25 +0000 | [diff] [blame] | 2 | |
| 3 | void (^e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1))); |
| 4 | |
| 5 | int main() |
| 6 | { |
| Fariborz Jahanian | 3bba33d | 2009-05-15 21:18:04 +0000 | [diff] [blame] | 7 | void (^bbad) (int arg, const char * format) __attribute__ ((__sentinel__)) ; // expected-warning {{sentinel' attribute only supported for variadic blocks}} |
| Fariborz Jahanian | daf0415 | 2009-05-15 20:33:25 +0000 | [diff] [blame] | 8 | void (^b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)) = // expected-note {{block has been explicitly marked sentinel here}} |
| 9 | ^ __attribute__ ((__sentinel__)) (int arg, const char * format, ...) {}; |
| 10 | void (^z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))) = ^ __attribute__ ((__sentinel__ (2))) (int arg, const char * format, ...) {}; // expected-note {{block has been explicitly marked sentinel here}} |
| 11 | |
| 12 | |
| 13 | void (^y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))) = ^ __attribute__ ((__sentinel__ (5))) (int arg, const char * format, ...) {}; // expected-note {{block has been explicitly marked sentinel here}} |
| 14 | |
| 15 | b(1, "%s", (void*)0); // OK |
| 16 | b(1, "%s", 0); // expected-warning {{missing sentinel in block call}} |
| 17 | z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in block call}} |
| 18 | z(1, "%s", (void*)0, 1, 0); // OK |
| 19 | |
| 20 | y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in block call}} |
| 21 | |
| 22 | y(1, "%s", (void*)0,3,4,5,6,7); // OK |
| 23 | |
| 24 | } |
| 25 | |