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Diffstat (limited to 'test/Sema/function-sentinel-attr.c')
| -rw-r--r-- | test/Sema/function-sentinel-attr.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/test/Sema/function-sentinel-attr.c b/test/Sema/function-sentinel-attr.c new file mode 100644 index 0000000..6630479 --- /dev/null +++ b/test/Sema/function-sentinel-attr.c @@ -0,0 +1,30 @@ +// RUN: clang-cc -fsyntax-only -verify %s + +#define NULL (void*)0 + +#define ATTR __attribute__ ((__sentinel__)) + +void foo1 (int x, ...) ATTR; // expected-note {{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}} + +int main () +{ + + 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}} +} + |
