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