Hans Wennborg | 29e97cb | 2011-10-27 08:29:09 +0000 | [diff] [blame] | 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 |
Ted Kremenek | ce506ae | 2012-01-20 21:52:58 +0000 | [diff] [blame] | 7 | printf("%zu", (double)42); // expected-warning {{format specifies type 'size_t' (aka 'unsigned long') but the argument has type 'double'}} |
Hans Wennborg | 29e97cb | 2011-10-27 08:29:09 +0000 | [diff] [blame] | 8 | |
| 9 | // intmax_t / uintmax_t |
Ted Kremenek | ce506ae | 2012-01-20 21:52:58 +0000 | [diff] [blame] | 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'}} |
Hans Wennborg | 29e97cb | 2011-10-27 08:29:09 +0000 | [diff] [blame] | 12 | |
| 13 | // ptrdiff_t |
Ted Kremenek | ce506ae | 2012-01-20 21:52:58 +0000 | [diff] [blame] | 14 | printf("%td", (double)42); // expected-warning {{format specifies type 'ptrdiff_t' (aka 'long') but the argument has type 'double'}} |
Hans Wennborg | 29e97cb | 2011-10-27 08:29:09 +0000 | [diff] [blame] | 15 | } |
Hans Wennborg | f7158fa | 2012-08-07 09:13:19 +0000 | [diff] [blame] | 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 | } |