1a5728872c7702ddd09537c95bc3cbd20e1f2fb09Daniel Dunbar// RUN: %clang_cc1 -fsyntax-only -verify %s 2d6b8de0e7b01196bd2bee207feb81bc409a5baf9John McCallint x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}} 3770918281c5bdc7b5b3942285c407e3d62270053Anders Carlsson 4770918281c5bdc7b5b3942285c407e3d62270053Anders Carlssonvoid f1(int a, ...) __attribute__ ((sentinel)); 5770918281c5bdc7b5b3942285c407e3d62270053Anders Carlssonvoid f2(int a, ...) __attribute__ ((sentinel(1))); 6770918281c5bdc7b5b3942285c407e3d62270053Anders Carlsson 7770918281c5bdc7b5b3942285c407e3d62270053Anders Carlssonvoid f3(int a, ...) __attribute__ ((sentinel("hello"))); //expected-error{{'sentinel' attribute requires parameter 1 to be an integer constant}} 8651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{'sentinel' attribute takes no more than 2 arguments}} 9770918281c5bdc7b5b3942285c407e3d62270053Anders Carlssonvoid f4(int a, ...) __attribute__ ((sentinel(-1))); //expected-error{{parameter 1 less than zero}} 10770918281c5bdc7b5b3942285c407e3d62270053Anders Carlssonvoid f4(int a, ...) __attribute__ ((sentinel(0, 2))); // expected-error{{parameter 2 not 0 or 1}} 11770918281c5bdc7b5b3942285c407e3d62270053Anders Carlsson 12770918281c5bdc7b5b3942285c407e3d62270053Anders Carlssonvoid f5(int a) __attribute__ ((sentinel)); //expected-warning{{'sentinel' attribute only supported for variadic functions}} 13770918281c5bdc7b5b3942285c407e3d62270053Anders Carlsson 14897cd90fef4cd5139999585f3af31d85c2d07720Chris Lattner 15897cd90fef4cd5139999585f3af31d85c2d07720Chris Lattnervoid f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}} 16