1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}} 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}} 8 void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{attribute takes no more than 2 arguments}} 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 14 15 void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}} 16
