| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -verify %s |
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| 2 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x c++ -verify %s |
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| 3 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x c++ -std=c++11 -verify %s |
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| 4 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c -verify %s |
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| 5 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -x objective-c++ -std=c++11 -verify %s |
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| 6 | |
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| 7 | #ifdef __cplusplus |
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| 8 | # define EXTERN_C extern "C" |
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| 9 | #else |
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| 10 | # define EXTERN_C extern |
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| 11 | #endif |
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| 12 | |
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| 13 | EXTERN_C int printf(const char *,...); |
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| 14 | EXTERN_C int scanf(const char *, ...); |
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| 15 | |
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| 16 | typedef enum { Constant = 0 } TestEnum; |
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| 17 | // Note that in C, the type of 'Constant' is 'int'. In C++ it is 'TestEnum'. |
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| 18 | // This is why we don't check for that in the expected output. |
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| 19 | |
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| 20 | void test(TestEnum input) { |
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| 21 | printf("%d", input); // no-warning |
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| 22 | printf("%d", Constant); // no-warning |
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| 23 | |
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| 24 | printf("%lld", input); // expected-warning-re{{format specifies type 'long long' but the argument has underlying type '{{(unsigned)?}} int'}} |
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| 25 | printf("%lld", Constant); // expected-warning{{format specifies type 'long long'}} |
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| 26 | } |
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| 27 | |
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| 28 | |
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| 29 | typedef enum { LongConstant = ~0UL } LongEnum; |
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| 30 | |
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| 31 | void testLong(LongEnum input) { |
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| 32 | printf("%u", input); // expected-warning{{format specifies type 'unsigned int' but the argument has underlying type}} |
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| 33 | printf("%u", LongConstant); // expected-warning{{format specifies type 'unsigned int'}} |
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| 34 | |
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| 35 | printf("%lu", input); |
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| 36 | printf("%lu", LongConstant); |
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| 37 | } |
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| 38 | |
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| 39 | #ifndef __cplusplus |
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| 40 | // GNU C allows forward declaring enums. |
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| 41 | extern enum forward_declared *fwd; |
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| 42 | |
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| 43 | void forward_enum() { |
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| 44 | printf("%u", fwd); // expected-warning{{format specifies type 'unsigned int' but the argument has type 'enum forward_declared *}} |
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| 45 | printf("%p", fwd); |
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| 46 | |
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| 47 | scanf("%c", fwd); // expected-warning{{format specifies type 'char *' but the argument has type 'enum forward_declared *}} |
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| 48 | scanf("%u", fwd); |
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| 49 | scanf("%lu", fwd); // expected-warning{{format specifies type 'unsigned long *' but the argument has type 'enum forward_declared *}} |
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| 50 | scanf("%p", fwd); // expected-warning{{format specifies type 'void **' but the argument has type 'enum forward_declared *}} |
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| 51 | } |
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| 52 | #endif |
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| 53 | |
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