1 | // RUN: %clang_cc1 -triple i686-linux-gnu -fsyntax-only -verify -std=c99 -Wformat-non-iso %s |
2 | |
3 | int printf(const char *restrict, ...); |
4 | int scanf(const char * restrict, ...); |
5 | |
6 | void f(void) { |
7 | char *cp; |
8 | |
9 | // The 'q' length modifier. |
10 | printf("%qd", (long long)42); // expected-warning{{'q' length modifier is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
11 | scanf("%qd", (long long *)0); // expected-warning{{'q' length modifier is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
12 | |
13 | // The 'm' length modifier. |
14 | scanf("%ms", &cp); // expected-warning{{'m' length modifier is not supported by ISO C}} |
15 | |
16 | // The 'S' and 'C' conversion specifiers. |
17 | printf("%S", L"foo"); // expected-warning{{'S' conversion specifier is not supported by ISO C}} |
18 | printf("%C", L'x'); // expected-warning{{'C' conversion specifier is not supported by ISO C}} |
19 | |
20 | // Combining 'L' with an integer conversion specifier. |
21 | printf("%Li", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'i' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
22 | printf("%Lo", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'o' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
23 | printf("%Lu", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'u' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
24 | printf("%Lx", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'x' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
25 | printf("%LX", (long long)42); // expected-warning{{using length modifier 'L' with conversion specifier 'X' is not supported by ISO C}} expected-note{{did you mean to use 'll'?}} |
26 | |
27 | // Positional arguments. |
28 | printf("%1$d", 42); // expected-warning{{positional arguments are not supported by ISO C}} |
29 | } |
30 | |