1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s 2 3 int printf(char const *, ...); 4 5 void test(void) { 6 // size_t 7 printf("%zu", (double)42); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'double'}} 8 9 // intmax_t / uintmax_t 10 printf("%jd", (double)42); // expected-warning {{format specifies type 'intmax_t' (aka 'long') but the argument has type 'double'}} 11 printf("%ju", (double)42); // expected-warning {{format specifies type 'uintmax_t' (aka 'unsigned long') but the argument has type 'double'}} 12 13 // ptrdiff_t 14 printf("%td", (double)42); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'long') but the argument has type 'double'}} 15 } 16 17 void test_writeback(void) { 18 printf("%jn", (long*)0); // no-warning 19 printf("%jn", (unsigned long*)0); // no-warning 20 printf("%jn", (int*)0); // expected-warning{{format specifies type 'intmax_t *' (aka 'long *') but the argument has type 'int *'}} 21 22 printf("%zn", (long*)0); // no-warning 23 // FIXME: Warn about %zn with non-ssize_t argument. 24 25 printf("%tn", (long*)0); // no-warning 26 printf("%tn", (unsigned long*)0); // no-warning 27 printf("%tn", (int*)0); // expected-warning{{format specifies type 'ptrdiff_t *' (aka 'long *') but the argument has type 'int *'}} 28 } 29
