1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits 2>&1 | \ 3 // RUN: FileCheck %s --check-prefix=C 4 // RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits -x c++ -std=c++11 2>&1 | \ 5 // RUN: FileCheck %s --check-prefix=CXX11 6 int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}} 7 8 void f1(int a, ...) __attribute__ ((sentinel)); // expected-note {{function has been explicitly marked sentinel here}} 9 void f2(int a, ...) __attribute__ ((sentinel(1))); 10 11 void f3(int a, ...) __attribute__ ((sentinel("hello"))); //expected-error{{'sentinel' attribute requires parameter 1 to be an integer constant}} 12 void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{'sentinel' attribute takes no more than 2 arguments}} 13 void f4(int a, ...) __attribute__ ((sentinel(-1))); //expected-error{{parameter 1 less than zero}} 14 void f4(int a, ...) __attribute__ ((sentinel(0, 2))); // expected-error{{parameter 2 not 0 or 1}} 15 16 void f5(int a) __attribute__ ((sentinel)); //expected-warning{{'sentinel' attribute only supported for variadic functions}} 17 18 19 void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}} 20 21 void g() { 22 // The integer literal zero is not a sentinel. 23 f1(1, 0); // expected-warning {{missing sentinel in function call}} 24 // C: fix-it:{{.*}}:{23:10-23:10}:", (void*) 0" 25 // CXX11: fix-it:{{.*}}:{23:10-23:10}:", nullptr" 26 } 27
