1// Test for format attributes: test applying them to types in C++. 2// Origin: Joseph Myers <jsm28@cam.ac.uk> 3// { dg-do compile } 4// { dg-options "-Wformat" } 5 6__attribute__((format(printf, 1, 2))) void (*tformatprintf0) (const char *, ...); 7void (*tformatprintf1) (const char *, ...) __attribute__((format(printf, 1, 2))); 8void (__attribute__((format(printf, 1, 2))) *tformatprintf2) (const char *, ...); 9void (__attribute__((format(printf, 1, 2))) ****tformatprintf3) (const char *, ...); 10 11char * (__attribute__((format_arg(1))) *tformat_arg) (const char *); 12 13void 14baz (int i) 15{ 16 (*tformatprintf0) ("%d", i); 17 (*tformatprintf0) ((*tformat_arg) ("%d"), i); 18 (*tformatprintf0) ("%"); // { dg-warning "format" "prefix" } 19 (*tformatprintf0) ((*tformat_arg) ("%")); // { dg-warning "format" "prefix" } 20 (*tformatprintf1) ("%d", i); 21 (*tformatprintf1) ((*tformat_arg) ("%d"), i); 22 (*tformatprintf1) ("%"); // { dg-warning "format" "postfix" } 23 (*tformatprintf1) ((*tformat_arg) ("%")); // { dg-warning "format" "postfix" } 24 (*tformatprintf2) ("%d", i); 25 (*tformatprintf2) ((*tformat_arg) ("%d"), i); 26 (*tformatprintf2) ("%"); // { dg-warning "format" "nested" } 27 (*tformatprintf2) ((*tformat_arg) ("%")); // { dg-warning "format" "nested" } 28 (****tformatprintf3) ("%d", i); 29 (****tformatprintf3) ((*tformat_arg) ("%d"), i); 30 (****tformatprintf3) ("%"); // { dg-warning "format" "nested 2" } 31 (****tformatprintf3) ((*tformat_arg) ("%")); // { dg-warning "format" "nested 2" } 32} 33