47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
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// RUN: %clang_cc1 -xc %s -verify -DBOOL=_Bool
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// RUN: %clang_cc1 -xc++ %s -verify -DBOOL=bool
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// RUN: %clang_cc1 -xobjective-c %s -verify -DBOOL=_Bool
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// RUN: %clang_cc1 -xc %s -verify -DBOOL=_Bool -Wformat-type-confusion -DTYPE_CONF
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// RUN: %clang_cc1 -xc++ %s -verify -DBOOL=bool -Wformat-type-confusion -DTYPE_CONF
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__attribute__((format(__printf__, 1, 2)))
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int p(const char *fmt, ...);
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BOOL b;
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#ifdef __OBJC__
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@interface NSString
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+(NSString *)stringWithFormat:(NSString *)fmt, ...
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__attribute__((format(__NSString__, 1, 2)));
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@end
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#define YES __objc_yes
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#define NO __objc_no
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#endif
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int main() {
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p("%d", b);
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p("%hd", b);
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#ifdef TYPE_CONF
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// expected-warning@-2 {{format specifies type 'short' but the argument has type}}
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#endif
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p("%hhd", b);
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p("%u", b);
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p("%hu", b);
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#ifdef TYPE_CONF
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// expected-warning@-2 {{format specifies type 'unsigned short' but the argument has type}}
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#endif
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p("%hhu", b);
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p("%c", b); // expected-warning {{using '%c' format specifier, but argument has boolean value}}
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p("%lc", b); // expected-warning {{using '%lc' format specifier, but argument has boolean value}}
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p("%c", 1 == 1); // expected-warning {{using '%c' format specifier, but argument has boolean value}}
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p("%f", b); // expected-warning{{format specifies type 'double' but the argument has type}}
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p("%ld", b); // expected-warning{{format specifies type 'long' but the argument has type}}
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p("%lld", b); // expected-warning{{format specifies type 'long long' but the argument has type}}
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#ifdef __OBJC__
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[NSString stringWithFormat: @"%c", 0]; // probably fine?
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[NSString stringWithFormat: @"%c", NO]; // expected-warning {{using '%c' format specifier, but argument has boolean value}}
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#endif
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}
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