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
