// RUN: %clang_cc1 -triple i386-apple-darwin9 -fsyntax-only -verify %s int printf(char const *, ...); int scanf(char const *, ...); void test(void) { printf("%jd", 42.0); // expected-warning {{format specifies type 'intmax_t' (aka 'long long')}} printf("%ju", 42.0); // expected-warning {{format specifies type 'uintmax_t' (aka 'unsigned long long')}} printf("%zu", 42.0); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long')}} printf("%td", 42.0); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'int')}} printf("%lc", 42.0); // expected-warning {{format specifies type 'wint_t' (aka 'int')}} printf("%ls", 42.0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}} printf("%S", 42.0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}} printf("%C", 42.0); // expected-warning {{format specifies type 'wchar_t' (aka 'int')}} scanf("%jd", 0); // expected-warning {{format specifies type 'intmax_t *' (aka 'long long *')}} scanf("%ju", 0); // expected-warning {{format specifies type 'uintmax_t *' (aka 'unsigned long long *')}} scanf("%zu", 0); // expected-warning {{format specifies type 'size_t *' (aka 'unsigned long *')}} scanf("%td", 0); // expected-warning {{format specifies type 'ptrdiff_t *' (aka 'int *')}} scanf("%lc", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}} scanf("%ls", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}} scanf("%S", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}} scanf("%C", 0); // expected-warning {{format specifies type 'wchar_t *' (aka 'int *')}} // typedef size_t et al. to something crazy. typedef void *size_t; typedef void *intmax_t; typedef void *uintmax_t; typedef void *ptrdiff_t; // The warning still fires, because it checks the underlying type. printf("%jd", (intmax_t)42); // expected-warning {{format specifies type 'intmax_t' (aka 'long long') but the argument has type 'intmax_t' (aka 'void *')}} 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 *')}} printf("%zu", (size_t)42); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'size_t' (aka 'void *')}} printf("%td", (ptrdiff_t)42); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'int') but the argument has type 'ptrdiff_t' (aka 'void *')}} }