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