1 // RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -verify %s
2
3 int printf(char const *, ...);
4 int scanf(char const *, ...);
5
test(void)6 void test(void) {
7 printf("%jd", 42.0); // expected-warning {{format specifies type 'intmax_t' (aka 'long long')}}
8 printf("%ju", 42.0); // expected-warning {{format specifies type 'uintmax_t' (aka 'unsigned long long')}}
9 printf("%Pd", 42.0); // expected-warning {{format specifies type 'intptr_t' (aka 'long')}}
10 printf("%Pu", 42.0); // expected-warning {{format specifies type 'uintptr_t' (aka 'unsigned long')}}
11 printf("%zu", 42.0); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long')}}
12 printf("%td", 42.0); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'int')}}
13 printf("%lc", 42.0); // expected-warning {{format specifies type 'wint_t' (aka 'int')}}
14 printf("%ls", 42.0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}}
15 printf("%S", 42.0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}}
16 printf("%C", 42.0); // expected-warning {{format specifies type 'wchar_t' (aka 'int')}}
17
18 scanf("%jd", 0); // expected-warning {{format specifies type 'intmax_t *' (aka 'long long *')}}
19 scanf("%ju", 0); // expected-warning {{format specifies type 'uintmax_t *' (aka 'unsigned long long *')}}
20 scanf("%Pd", 0); // expected-warning {{format specifies type 'intptr_t *' (aka 'long *')}}
21 scanf("%Pu", 0); // expected-warning {{format specifies type 'uintptr_t *' (aka 'unsigned long *')}}
22 scanf("%zu", 0); // expected-warning {{format specifies type 'size_t *' (aka 'unsigned long *')}}
23 scanf("%td", 0); // expected-warning {{format specifies type 'ptrdiff_t *' (aka 'int *')}}
24 scanf("%lc", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}}
25 scanf("%ls", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}}
26 scanf("%S", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}}
27 scanf("%C", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}}
28
29
30 // typedef size_t et al. to something crazy.
31 typedef void *size_t;
32 typedef void *intmax_t;
33 typedef void *uintmax_t;
34 typedef void *ptrdiff_t;
35
36 // The warning still fires, because it checks the underlying type.
37 printf("%jd", (intmax_t)42); // expected-warning {{format specifies type 'intmax_t' (aka 'long long') but the argument has type 'intmax_t' (aka 'void *')}}
38 printf("%ju", (uintmax_t)42); // expected-warning {{format specifies type 'uintmax_t' (aka 'unsigned long long') but the argument has type 'uintmax_t' (aka 'void *')}}
39 printf("%zu", (size_t)42); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'size_t' (aka 'void *')}}
40 printf("%td", (ptrdiff_t)42); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'int') but the argument has type 'ptrdiff_t' (aka 'void *')}}
41 }
42