This patch finishes off the sentinel attribute handling for

blocks and function pointers.

llvm-svn: 71888

1 files changed, 23 insertions, 0 deletions

diff --git a/clang/test/Sema/function-pointer-sentinel-attribute.c b/clang/test/Sema/function-pointer-sentinel-attribute.c
new file mode 100644
index 00000000000..0de02fa5363
--- /dev/null
+++ b/clang/test/Sema/function-pointer-sentinel-attribute.c
@@ -0,0 +1,23 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+void (*e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1)));
+
+int main()
+{
+        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
+
+}
+