| Shih-wei Liao | f8fd82b | 2010-02-10 11:10:31 -0800 | [diff] [blame^] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| 2 | |
| 3 | void (*e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1))); |
| 4 | |
| 5 | int main() { |
| 6 | void (*b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)); // expected-note {{function has been explicitly marked sentinel here}} |
| 7 | void (*z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))); // expected-note {{function has been explicitly marked sentinel here}} |
| 8 | |
| 9 | |
| 10 | void (*y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))); // expected-note {{function has been explicitly marked sentinel here}} |
| 11 | |
| 12 | b(1, "%s", (void*)0); // OK |
| 13 | b(1, "%s", 0); // expected-warning {{missing sentinel in function call}} |
| 14 | z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in function call}} |
| 15 | z(1, "%s", (void*)0, 1, 0); // OK |
| 16 | |
| 17 | y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}} |
| 18 | |
| 19 | y(1, "%s", (void*)0,3,4,5,6,7); // OK |
| 20 | } |