| 1 | // RUN: %clang_cc1 -fblocks -fsyntax-only -verify %s |
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| 2 | |
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| 3 | void (^e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1))); |
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| 4 | |
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| 5 | int main() { |
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| 6 | void (^bbad) (int arg, const char * format) __attribute__ ((__sentinel__)) ; // expected-warning {{'sentinel' attribute only supported for variadic blocks}} |
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| 7 | bbad = ^void (int arg, const char * format) __attribute__ ((__sentinel__)) {} ; // expected-warning {{'sentinel' attribute only supported for variadic blocks}} |
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| 8 | void (^b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)) = // expected-note {{block has been explicitly marked sentinel here}} |
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| 9 | ^ __attribute__ ((__sentinel__)) (int arg, const char * format, ...) {}; |
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| 10 | void (^z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))) = ^ __attribute__ ((__sentinel__ (2))) (int arg, const char * format, ...) {}; // expected-note {{block has been explicitly marked sentinel here}} |
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| 11 | |
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| 12 | |
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| 13 | void (^y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))) = ^ __attribute__ ((__sentinel__ (5))) (int arg, const char * format, ...) {}; // expected-note {{block has been explicitly marked sentinel here}} |
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| 14 | |
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| 15 | b(1, "%s", (void*)0); // OK |
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| 16 | b(1, "%s", 0); // expected-warning {{missing sentinel in block call}} |
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| 17 | z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in block call}} |
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| 18 | z(1, "%s", (void*)0, 1, 0); // OK |
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| 19 | |
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| 20 | y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in block call}} |
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| 21 | |
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| 22 | y(1, "%s", (void*)0,3,4,5,6,7); // OK |
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| 23 | |
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| 24 | } |
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| 25 | |
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| 26 | |
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