diff options
Diffstat (limited to 'test/Sema/function-pointer-sentinel-attribute.c')
| -rw-r--r-- | test/Sema/function-pointer-sentinel-attribute.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/Sema/function-pointer-sentinel-attribute.c b/test/Sema/function-pointer-sentinel-attribute.c new file mode 100644 index 0000000000..0de02fa536 --- /dev/null +++ b/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 + +} + |