28 lines
		
	
	
		
			768 B
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			768 B
		
	
	
	
		
			C++
		
	
	
	
| // RUN: %clang_cc1 -fsyntax-only -verify -pedantic -std=c++11 %s
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| 
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| extern "C" {
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| extern int scanf(const char *restrict, ...);
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| extern int printf(const char *restrict, ...);
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| }
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| 
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| void f(char **sp, float *fp) {
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|   scanf("%as", sp); // expected-warning{{format specifies type 'float *' but the argument has type 'char **'}}
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| 
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|   printf("%a", 1.0);
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|   scanf("%afoobar", fp);
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|   printf(nullptr);
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|   printf(*sp); // expected-warning {{not a string literal}}
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| 
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|   // PR13099
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|   printf(
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|     R"foobar(%)foobar"
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|     R"bazquux(d)bazquux" // expected-warning {{more '%' conversions than data arguments}}
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|     R"xyzzy()xyzzy");
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| 
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|   printf(u8"this is %d test", 0); // ok
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|   printf(u8R"foo(
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|       \u1234\U0010fffe
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|       %d)foo" // expected-warning {{more '%' conversions than data arguments}}
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|   );
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| }
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