1// RUN: %clang_cc1 -triple i686-linux-gnu -fsyntax-only -verify -std=c99 -Wformat-non-iso %s
2
3int printf(const char *restrict, ...);
4int scanf(const char * restrict, ...);
5
6void 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