From 222e2a7620e6520ffaf4fc4e69d79c18da31542e Mon Sep 17 00:00:00 2001 From: "Zancanaro; Carlo" Date: Mon, 24 Sep 2012 09:58:17 +1000 Subject: Add the clang library to the repo (with some of my changes, too). --- clang/test/Sema/attr-sentinel.c | 59 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 clang/test/Sema/attr-sentinel.c (limited to 'clang/test/Sema/attr-sentinel.c') diff --git a/clang/test/Sema/attr-sentinel.c b/clang/test/Sema/attr-sentinel.c new file mode 100644 index 0000000..abc108f --- /dev/null +++ b/clang/test/Sema/attr-sentinel.c @@ -0,0 +1,59 @@ +// RUN: %clang_cc1 -fsyntax-only -verify %s + +#define NULL (void*)0 + +#define ATTR __attribute__ ((__sentinel__)) + +void foo1 (int x, ...) ATTR; // expected-note 3 {{function has been explicitly marked sentinel here}} +void foo5 (int x, ...) __attribute__ ((__sentinel__(1))); // expected-note {{function has been explicitly marked sentinel here}} +void foo6 (int x, ...) __attribute__ ((__sentinel__(5))); // expected-note {{function has been explicitly marked sentinel here}} +void foo7 (int x, ...) __attribute__ ((__sentinel__(0))); // expected-note {{function has been explicitly marked sentinel here}} +void foo10 (int x, ...) __attribute__ ((__sentinel__(1,1))); +void foo12 (int x, ... ) ATTR; // expected-note {{function has been explicitly marked sentinel here}} + +#define FOOMACRO(...) foo1(__VA_ARGS__) + +void test1() { + foo1(1, NULL); // OK + foo1(1, 0) ; // expected-warning {{missing sentinel in function call}} + foo5(1, NULL, 2); // OK + foo5(1,2,NULL, 1); // OK + foo5(1, NULL, 2, 1); // expected-warning {{missing sentinel in function call}} + + foo6(1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}} + foo6(1,NULL,3,4,5,6,7); // OK + foo7(1); // expected-warning {{not enough variable arguments in 'foo7' declaration to fit a sentinel}} + foo7(1, NULL); // OK + + foo12(1); // expected-warning {{not enough variable arguments in 'foo12' declaration to fit a sentinel}} + + // PR 5685 + struct A {}; + struct A a, b, c; + foo1(3, &a, &b, &c); // expected-warning {{missing sentinel in function call}} + foo1(3, &a, &b, &c, (struct A*) 0); + + // PR11002 + FOOMACRO(1, 2); // expected-warning {{missing sentinel in function call}} +} + + + +void (*e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1))); + +void test2() { + void (*b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)); // expected-note {{function has been explicitly marked sentinel here}} + void (*z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))); // expected-note {{function has been explicitly marked sentinel here}} + + + void (*y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))); // expected-note {{function has been explicitly marked sentinel here}} + + b(1, "%s", (void*)0); // OK + b(1, "%s", 0); // expected-warning {{missing sentinel in function call}} + z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in function call}} + z(1, "%s", (void*)0, 1, 0); // OK + + y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}} + + y(1, "%s", (void*)0,3,4,5,6,7); // OK +} -- cgit v1.2.3