1 // RUN: %clang_cc1 -xc %s -verify -DBOOL=_Bool
2 // RUN: %clang_cc1 -xc++ %s -verify -DBOOL=bool
3 // RUN: %clang_cc1 -xobjective-c %s -verify -DBOOL=_Bool
4 // RUN: %clang_cc1 -xc %s -verify -DBOOL=_Bool -Wformat-type-confusion -DTYPE_CONF
5 // RUN: %clang_cc1 -xc++ %s -verify -DBOOL=bool -Wformat-type-confusion -DTYPE_CONF
6
7 __attribute__((format(__printf__, 1, 2)))
8 int p(const char *fmt, ...);
9
10 BOOL b;
11
12 #ifdef __OBJC__
13 @interface NSString
14 +(NSString *)stringWithFormat:(NSString *)fmt, ...
15 __attribute__((format(__NSString__, 1, 2)));
16 @end
17
18 #define YES __objc_yes
19 #define NO __objc_no
20 #endif
21
main()22 int main() {
23 p("%d", b);
24 p("%hd", b);
25 #ifdef TYPE_CONF
26 // expected-warning@-2 {{format specifies type 'short' but the argument has type}}
27 #endif
28 p("%hhd", b);
29 p("%u", b);
30 p("%hu", b);
31 #ifdef TYPE_CONF
32 // expected-warning@-2 {{format specifies type 'unsigned short' but the argument has type}}
33 #endif
34 p("%hhu", b);
35 p("%c", b); // expected-warning {{using '%c' format specifier, but argument has boolean value}}
36 p("%lc", b); // expected-warning {{using '%lc' format specifier, but argument has boolean value}}
37 p("%c", 1 == 1); // expected-warning {{using '%c' format specifier, but argument has boolean value}}
38 p("%f", b); // expected-warning{{format specifies type 'double' but the argument has type}}
39 p("%ld", b); // expected-warning{{format specifies type 'long' but the argument has type}}
40 p("%lld", b); // expected-warning{{format specifies type 'long long' but the argument has type}}
41
42 #ifdef __OBJC__
43 [NSString stringWithFormat: @"%c", 0]; // probably fine?
44 [NSString stringWithFormat: @"%c", NO]; // expected-warning {{using '%c' format specifier, but argument has boolean value}}
45 #endif
46 }
47