derek.holloway
7502bf64a4
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27 lines
1.1 KiB
C++
27 lines
1.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs
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// RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs -std=c++98
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// RUN: %clang_cc1 -fsyntax-only -fblocks -Wformat -verify %s -Wno-error=non-pod-varargs -std=c++11
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int (^block) (int, const char *,...) __attribute__((__format__(__printf__,2,3))) = ^ __attribute__((__format__(__printf__,2,3))) (int arg, const char *format,...) {return 5;};
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class HasNoCStr {
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const char *str;
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public:
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HasNoCStr(const char *s): str(s) { }
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const char *not_c_str() {return str;}
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};
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void test_block() {
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const char str[] = "test";
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HasNoCStr hncs(str);
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int n = 4;
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block(n, "%s %d", str, n); // no-warning
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block(n, "%s %s", hncs, n);
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#if __cplusplus <= 199711L // C++03 or earlier modes
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// expected-warning@-2{{cannot pass non-POD object of type 'HasNoCStr' to variadic block; expected type from format string was 'char *'}}
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#else
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// expected-warning@-4{{format specifies type 'char *' but the argument has type 'HasNoCStr'}}
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#endif
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// expected-warning@-6{{format specifies type 'char *' but the argument has type 'int'}}
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}
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