27 lines
1.5 KiB
C
27 lines
1.5 KiB
C
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// RUN: %clang_cc1 -fsyntax-only -verify %s
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// RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits 2>&1 | \
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// RUN: FileCheck %s --check-prefix=C
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// RUN: not %clang_cc1 -fsyntax-only %s -fdiagnostics-parseable-fixits -x c++ -std=c++11 2>&1 | \
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// RUN: FileCheck %s --check-prefix=CXX11
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int x __attribute__((sentinel)); //expected-warning{{'sentinel' attribute only applies to functions, methods and blocks}}
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void f1(int a, ...) __attribute__ ((sentinel)); // expected-note {{function has been explicitly marked sentinel here}}
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void f2(int a, ...) __attribute__ ((sentinel(1)));
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void f3(int a, ...) __attribute__ ((sentinel("hello"))); //expected-error{{'sentinel' attribute requires parameter 1 to be an integer constant}}
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void f4(int a, ...) __attribute__ ((sentinel(1, 2, 3))); //expected-error{{'sentinel' attribute takes no more than 2 arguments}}
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void f4(int a, ...) __attribute__ ((sentinel(-1))); //expected-error{{parameter 1 less than zero}}
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void f4(int a, ...) __attribute__ ((sentinel(0, 2))); // expected-error{{parameter 2 not 0 or 1}}
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void f5(int a) __attribute__ ((sentinel)); //expected-warning{{'sentinel' attribute only supported for variadic functions}}
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void f6() __attribute__((__sentinel__)); // expected-warning {{'sentinel' attribute requires named arguments}}
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void g() {
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// The integer literal zero is not a sentinel.
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f1(1, 0); // expected-warning {{missing sentinel in function call}}
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// C: fix-it:{{.*}}:{23:10-23:10}:", (void*) 0"
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// CXX11: fix-it:{{.*}}:{23:10-23:10}:", nullptr"
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}
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