| Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
| John McCall | d6b8de0 | 2011-01-25 03:51:08 +0000 | [diff] [blame] | 2 | int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}} |
| Anders Carlsson | 7709182 | 2008-10-05 18:05:59 +0000 | [diff] [blame] | 3 | |
| 4 | void f1(int a, ...) __attribute__ ((sentinel)); |
| 5 | void f2(int a, ...) __attribute__ ((sentinel(1))); |
| 6 | |
| 7 | void f3(int a, ...) __attribute__ ((sentinel("hello"))); //expected-error{{'sentinel' attribute requires parameter 1 to be an integer constant}} |
| John McCall | bdc49d3 | 2011-03-02 12:15:05 +0000 | [diff] [blame] | 8 | void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{attribute takes no more than 2 arguments}} |
| Anders Carlsson | 7709182 | 2008-10-05 18:05:59 +0000 | [diff] [blame] | 9 | void f4(int a, ...) __attribute__ ((sentinel(-1))); //expected-error{{parameter 1 less than zero}} |
| 10 | void f4(int a, ...) __attribute__ ((sentinel(0, 2))); // expected-error{{parameter 2 not 0 or 1}} |
| 11 | |
| 12 | void f5(int a) __attribute__ ((sentinel)); //expected-warning{{'sentinel' attribute only supported for variadic functions}} |
| 13 | |
| Chris Lattner | 897cd90 | 2009-03-17 23:03:47 +0000 | [diff] [blame] | 14 | |
| 15 | void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}} |