derek.holloway
7502bf64a4
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60 lines
2.5 KiB
C
60 lines
2.5 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 3 {{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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#define FOOMACRO(...) foo1(__VA_ARGS__)
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void test1(void) {
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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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// PR 5685
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struct A {};
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struct A a, b, c;
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foo1(3, &a, &b, &c); // expected-warning {{missing sentinel in function call}}
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foo1(3, &a, &b, &c, (struct A*) 0);
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// PR11002
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FOOMACRO(1, 2); // expected-warning {{missing sentinel in function call}}
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}
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void (*e) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (1,1)));
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void test2(void) {
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void (*b) (int arg, const char * format, ...) __attribute__ ((__sentinel__)); // expected-note {{function has been explicitly marked sentinel here}}
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void (*z) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (2))); // expected-note {{function has been explicitly marked sentinel here}}
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void (*y) (int arg, const char * format, ...) __attribute__ ((__sentinel__ (5))); // expected-note {{function has been explicitly marked sentinel here}}
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b(1, "%s", (void*)0); // OK
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b(1, "%s", 0); // expected-warning {{missing sentinel in function call}}
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z(1, "%s",4 ,1,0); // expected-warning {{missing sentinel in function call}}
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z(1, "%s", (void*)0, 1, 0); // OK
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y(1, "%s", 1,2,3,4,5,6,7); // expected-warning {{missing sentinel in function call}}
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y(1, "%s", (void*)0,3,4,5,6,7); // OK
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}
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