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 | |