1 files changed, 59 insertions, 0 deletions
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
+}