forked from OSchip/llvm-project
31 lines
1.3 KiB
C
31 lines
1.3 KiB
C
// RUN: %clang_cc1 -fsyntax-only -verify %s
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#define NULL (void*)0
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#define ATTR __attribute__ ((__sentinel__))
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void foo1 (int x, ...) ATTR; // expected-note {{function has been explicitly marked sentinel here}}
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void foo5 (int x, ...) __attribute__ ((__sentinel__(1))); // expected-note {{function has been explicitly marked sentinel here}}
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void foo6 (int x, ...) __attribute__ ((__sentinel__(5))); // expected-note {{function has been explicitly marked sentinel here}}
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void foo7 (int x, ...) __attribute__ ((__sentinel__(0))); // expected-note {{function has been explicitly marked sentinel here}}
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void foo10 (int x, ...) __attribute__ ((__sentinel__(1,1)));
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void foo12 (int x, ... ) ATTR; // expected-note {{function has been explicitly marked sentinel here}}
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int main ()
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{
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foo1(1, NULL); // OK
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foo1(1, 0) ; // expected-warning {{missing sentinel in function call}}
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foo5(1, NULL, 2); // OK
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foo5(1,2,NULL, 1); // OK
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foo5(1, NULL, 2, 1); // expected-warning {{missing sentinel in function call}}
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foo6(1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
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foo6(1,NULL,3,4,5,6,7); // OK
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foo7(1); // expected-warning {{not enough variable arguments in 'foo7' declaration to fit a sentinel}}
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foo7(1, NULL); // OK
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foo12(1); // expected-warning {{not enough variable arguments in 'foo12' declaration to fit a sentinel}}
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}
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